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	<id>https://chemwiki.ch.ic.ac.uk/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Zc205</id>
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	<updated>2026-04-04T04:39:09Z</updated>
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	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Phenylmercury_Acetate&amp;diff=7723</id>
		<title>It:Phenylmercury Acetate</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Phenylmercury_Acetate&amp;diff=7723"/>
		<updated>2006-12-07T21:13:31Z</updated>

		<summary type="html">&lt;p&gt;Zc205: added 3d jmol structure&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;noinclude&amp;gt;&lt;br /&gt;
&amp;lt;!-- This template has been defined after elaborate discussion in the Chemicals Wikiproject. Please do not add, deleted or otherwise change it unless after due discussion in [[wikipedia talk:WikiProject Chemicals]] --&amp;gt;&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;float: right; clear: right; margin: 0 0 1em 1em; border-collapse: collapse; width: 280px&amp;quot;&lt;br /&gt;
! {{chembox header}} | {{PAGENAME}} &amp;lt;!-- replace if not identical with the article name --&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;center&amp;quot; colspan=&amp;quot;2&amp;quot; bgcolor=&amp;quot;#ffffff&amp;quot; | [[Image:It-Phenylmercury_Acetate.jpg|200px|{{PAGENAME}}]] &amp;lt;!-- replace if not identical with the pagename --&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
! {{chembox header}} | General&lt;br /&gt;
|- &lt;br /&gt;
| Systematic name&lt;br /&gt;
| Phenylmercury Acetate&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| Molecular formula&lt;br /&gt;
|  C8H8HgO2&lt;br /&gt;
|-&lt;br /&gt;
| SMILES &amp;lt;!-- mostly for organic compounds, omit otherwise --&amp;gt;&lt;br /&gt;
| InChI=1/C6H5.C2H4O2.Hg/c1-2-4-6-5-3-1;1-2(3)4;/h1-5H;1H3,(H,3,4);/q;;+1/p-1/fC6H5.C2H3O2.Hg/q;-1;m/rC8H8HgO2/c1-7(10)11-9-8-5-3-2-4-6-8/h2-6H,1H3&lt;br /&gt;
|-&lt;br /&gt;
| Molar mass&lt;br /&gt;
| 336.74g/mol&lt;br /&gt;
|-&lt;br /&gt;
| CAS number&lt;br /&gt;
| 62-38-4 &lt;br /&gt;
|-&lt;br /&gt;
! {{chembox header}} | Properties&lt;br /&gt;
|-&lt;br /&gt;
| Melting point&lt;br /&gt;
| 149°C &lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| Main [[Worker safety and health|hazard]]s&lt;br /&gt;
|  toxic if inhaled, swallowed or absorbed through skin corrosive   &lt;br /&gt;
|-&lt;br /&gt;
| [[Risk and Safety Statements|R/S statement]]&lt;br /&gt;
| [[R24 R25 R34 R48 R50 R53]]: &amp;lt;br /&amp;gt; [[S23 S24 S25 S37 S45 S60 S61. ]]:&lt;br /&gt;
|&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Headline text ==&lt;br /&gt;
== Introduction ==&lt;br /&gt;
&lt;br /&gt;
Phenylmercury acetate is an organomercury compound. It was widely used as antisepic untill mercury poisoning became clear and nowadays it is hardly used in medical field. Mercury compound has been used frequently as an antiseptic for many years before this compound was introduced. A very common chemical used as an antiseptic before phenylmercury acetate was mercury chloride. This is because the Mercury +2 ion dissociated from the compound is particularly good as an antiseptic. After series of researches, it became clear organomurcury was a much better than inorganic compound of murcury, so synthesis of good organomercury compound was a very good inductrial process.&lt;br /&gt;
&lt;br /&gt;
== Reaction ==&lt;br /&gt;
 &lt;br /&gt;
Phenyl mercury acetate reacts with R-SH first removing the acetate functional group called the phenylmercury thiolate, then additional R-SH is added to remove mercury from the compound leaving the benzene ring. Mercury dithiolate, RS-Hg-SR further decomposes to Hg +2 ion and 2RSH. Final products are benzene ring ,mercury ion. &lt;br /&gt;
&lt;br /&gt;
[[Image:R0405.gif]]&lt;br /&gt;
&lt;br /&gt;
== Mercury Poisoning ==&lt;br /&gt;
The toxic nature of this compound arises from the mercury ion. Mercury Posioning causes a very serius neurological syndrome. A famous example is the Minamata disease occured in Japan. Typical symptoms of mercury poisoning are ataxia, muscle weakness,loss of vision, dameges to hearing and speech, paralysis, coma and death.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==3d Structure==&lt;br /&gt;
&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk on;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
HEADER    NONAME 07-Dec-06                                              NONE   1&lt;br /&gt;
TITLE                                                                   NONE   2&lt;br /&gt;
AUTHOR    WWW daemon apache                                             NONE   3&lt;br /&gt;
REVDAT   1  07-Dec-06     0                                             NONE   4&lt;br /&gt;
ATOM      1  C           0       4.558   0.268   0.000  0.00  0.00           C+0&lt;br /&gt;
ATOM      2  C           0       3.069   0.499  -0.000  0.00  0.00           C+0&lt;br /&gt;
ATOM      3  O           0       2.633   1.626  -0.001  0.00  0.00           O+0&lt;br /&gt;
ATOM      4  O           0       2.228  -0.547   0.001  0.00  0.00           O+0&lt;br /&gt;
ATOM      5 Hg           0       0.301  -0.247  -0.000  0.00  0.00          Hg+0&lt;br /&gt;
ATOM      6  C           0      -1.774   0.075  -0.001  0.00  0.00           C+0&lt;br /&gt;
ATOM      7  C           0      -2.641  -1.002   0.000  0.00  0.00           C+0&lt;br /&gt;
ATOM      8  C           0      -4.007  -0.790  -0.000  0.00  0.00           C+0&lt;br /&gt;
ATOM      9  C           0      -4.506   0.499  -0.001  0.00  0.00           C+0&lt;br /&gt;
ATOM     10  C           0      -3.640   1.576  -0.001  0.00  0.00           C+0&lt;br /&gt;
ATOM     11  C           0      -2.274   1.364   0.004  0.00  0.00           C+0&lt;br /&gt;
ATOM     12  H           0       5.075   1.227  -0.001  0.00  0.00           H+0&lt;br /&gt;
ATOM     13  H           0       4.838  -0.295   0.891  0.00  0.00           H+0&lt;br /&gt;
ATOM     14  H           0       4.839  -0.297  -0.889  0.00  0.00           H+0&lt;br /&gt;
ATOM     15  H           0      -2.251  -2.009   0.001  0.00  0.00           H+0&lt;br /&gt;
ATOM     16  H           0      -4.684  -1.631  -0.000  0.00  0.00           H+0&lt;br /&gt;
ATOM     17  H           0      -5.573   0.665  -0.002  0.00  0.00           H+0&lt;br /&gt;
ATOM     18  H           0      -4.030   2.583  -0.002  0.00  0.00           H+0&lt;br /&gt;
ATOM     19  H           0      -1.596   2.205   0.004  0.00  0.00           H+0&lt;br /&gt;
CONECT    1    2   12   13   14                                         NONE  24&lt;br /&gt;
CONECT    2    1    3    4    0                                         NONE  25&lt;br /&gt;
CONECT    3    2    0    0    0                                         NONE  26&lt;br /&gt;
CONECT    4    2    5    0    0                                         NONE  27&lt;br /&gt;
CONECT    5    4    6    0    0                                         NONE  28&lt;br /&gt;
CONECT    6    5   11    7    0                                         NONE  29&lt;br /&gt;
CONECT    7    6    8   15    0                                         NONE  30&lt;br /&gt;
CONECT    8    7    9   16    0                                         NONE  31&lt;br /&gt;
CONECT    9    8   10   17    0                                         NONE  32&lt;br /&gt;
CONECT   10    9   11   18    0                                         NONE  33&lt;br /&gt;
CONECT   11   10    6   19    0                                         NONE  34&lt;br /&gt;
END                                                                   END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Reference ==&lt;br /&gt;
http://umbbd.msi.umn.edu/servlets/pageservlet?ptype=r&amp;amp;reacID=r0405&lt;br /&gt;
http://www7.ocn.ne.jp/~mimuseum/rekisitokyukun/eng/rekisitokyukuneng.html&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7580</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7580"/>
		<updated>2006-12-07T15:13:07Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== &#039;&#039;&#039;Properties of Melatonin&#039;&#039;&#039;&amp;lt;sup&amp;gt;1&amp;lt;/sup&amp;gt; ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;fix: left; clear: left; margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;centre&amp;quot; colspan=&amp;quot;3&amp;quot; bgcolor=&amp;quot;lt blue&amp;quot; |&#039;&#039;&#039;Properites&#039;&#039;&#039;  &lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|IUPAC Systematic Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|N-[2-(5-methoxy-1H-indol-3-yl)ethyl]ethanamide&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Chemical Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|5-methoxy-N-acetaltryptamine&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Synonyms&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Circadin, MT6, Mela-T, Melatol, Melatonex, Melatonine, Melovine, Night Rest, Regulin&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular formula&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular Mass&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|232.278 gmol&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Melting Point&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|117&amp;lt;sup&amp;gt;o&amp;lt;/sup&amp;gt;C&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Type of Substance&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Neurohormone&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|CAS Registry Number&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|[http://www.emolecules.com/cgi-bin/search?t=ss&amp;amp;q=melatonin 73-31-4]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|SMILES string&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Colour&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Clear Solid&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Melatonin, (C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The 3D structure,(figure 1) and chemical structure, (figure 2) of melatonin is shown below, alongside its physical and chemical data, (above). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound. Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 3: &#039;&#039;Pineal Gland&#039;&#039;&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;]] The secretion occurs by the pineal gland, (figure 3), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 4).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 4: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&amp;lt;sup&amp;gt;4&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&amp;lt;sup&amp;gt;6&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&amp;lt;sup&amp;gt;7&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure== figure 1&lt;br /&gt;
&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Chemical Structure== figure 2&lt;br /&gt;
&lt;br /&gt;
[[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin.bmp]]&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&lt;br /&gt;
1.  http://redpoll.pharmacy.ualberta.ca/drugbank/cgi-bin/getCard.cgi?CARD=APRD00742.txt&lt;br /&gt;
&lt;br /&gt;
2.  http://images.google.co.uk/imgres?imgurl=http://www.fluoridealert.org/health/pineal/pineal.gif&amp;amp;imgrefurl=http://www.fluoridealert.org/health/pineal/&amp;amp;h=209&amp;amp;w=231&amp;amp;sz=34&amp;amp;hl=en&amp;amp;start=4&amp;amp;tbnid=QrEJe8CJOGuwKM:&amp;amp;tbnh=98&amp;amp;tbnw=108&amp;amp;prev=/images%3Fq%3Dpineal%2Bgland%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DN&lt;br /&gt;
&lt;br /&gt;
3.  http://www.ch.ic.ac.uk/local/projects/s_thipayang/+start.html&lt;br /&gt;
&lt;br /&gt;
4.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
5.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
6.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
7.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
==General Information==&lt;br /&gt;
&lt;br /&gt;
1.  Lewy AJ, Lefler BJ, Emens JS, et al., &#039;&#039;CHRONOBIOLOGY INTERNATIONAL 23 (1-2): 403-412 2006&#039;&#039;&lt;br /&gt;
&lt;br /&gt;
2.  http://en.wikipedia.org/wiki/Melatonin&lt;br /&gt;
&lt;br /&gt;
3.  http://www.ch.ic.ac.uk/local/projects/s_thipayang/+start.html&lt;br /&gt;
&lt;br /&gt;
4.  Rufo-Campos M: REVISTA DE NEUROLOGIA 35, &#039;&#039;S51-S58 Suppl. 1 SEP 2002&#039;&#039;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7579</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7579"/>
		<updated>2006-12-07T15:10:10Z</updated>

		<summary type="html">&lt;p&gt;Zc205: added more references&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== &#039;&#039;&#039;Properties of Melatonin&#039;&#039;&#039;&amp;lt;sup&amp;gt;1&amp;lt;/sup&amp;gt; ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;fix: left; clear: left; margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;centre&amp;quot; colspan=&amp;quot;3&amp;quot; bgcolor=&amp;quot;lt blue&amp;quot; |&#039;&#039;&#039;Properites&#039;&#039;&#039;  &lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|IUPAC Systematic Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|N-[2-(5-methoxy-1H-indol-3-yl)ethyl]ethanamide&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Chemical Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|5-methoxy-N-acetaltryptamine&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Synonyms&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Circadin, MT6, Mela-T, Melatol, Melatonex, Melatonine, Melovine, Night Rest, Regulin&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular formula&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular Mass&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|232.278 gmol&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Melting Point&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|117&amp;lt;sup&amp;gt;o&amp;lt;/sup&amp;gt;C&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Type of Substance&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Neurohormone&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|CAS Registry Number&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|[http://www.emolecules.com/cgi-bin/search?t=ss&amp;amp;q=melatonin 73-31-4]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|SMILES string&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Colour&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Clear Solid&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Melatonin, (C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The 3D structure,(figure 1) and chemical structure, (figure 2) of melatonin is shown below, alongside its physical and chemical data, (above). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound. Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 3: &#039;&#039;Pineal Gland&#039;&#039;&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;]] The secretion occurs by the pineal gland, (figure 3), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 4).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 4: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&amp;lt;sup&amp;gt;4&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&amp;lt;sup&amp;gt;6&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&amp;lt;sup&amp;gt;7&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure== figure 1&lt;br /&gt;
&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Chemical Structure== figure 2&lt;br /&gt;
&lt;br /&gt;
[[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin.bmp]]&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&lt;br /&gt;
1.  http://redpoll.pharmacy.ualberta.ca/drugbank/cgi-bin/getCard.cgi?CARD=APRD00742.txt&lt;br /&gt;
&lt;br /&gt;
2.  http://images.google.co.uk/imgres?imgurl=http://www.fluoridealert.org/health/pineal/pineal.gif&amp;amp;imgrefurl=http://www.fluoridealert.org/health/pineal/&amp;amp;h=209&amp;amp;w=231&amp;amp;sz=34&amp;amp;hl=en&amp;amp;start=4&amp;amp;tbnid=QrEJe8CJOGuwKM:&amp;amp;tbnh=98&amp;amp;tbnw=108&amp;amp;prev=/images%3Fq%3Dpineal%2Bgland%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DN&lt;br /&gt;
&lt;br /&gt;
3.  http://www.ch.ic.ac.uk/local/projects/s_thipayang/+start.html&lt;br /&gt;
&lt;br /&gt;
4.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
5.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
6.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
7.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
==General Information==&lt;br /&gt;
&lt;br /&gt;
1.  Lewy AJ, Lefler BJ, Emens JS, et al. : CHRONOBIOLOGY INTERNATIONAL 23 (1-2): 403-412 2006&lt;br /&gt;
&lt;br /&gt;
2.  http://en.wikipedia.org/wiki/Melatonin&lt;br /&gt;
&lt;br /&gt;
3.  http://www.ch.ic.ac.uk/local/projects/s_thipayang/+start.html&lt;br /&gt;
&lt;br /&gt;
4.  Rufo-Campos M: REVISTA DE NEUROLOGIA 35: S51-S58 Suppl. 1 SEP 2002&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7578</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7578"/>
		<updated>2006-12-07T15:02:51Z</updated>

		<summary type="html">&lt;p&gt;Zc205: inserted chemical structure of melatonin&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== &#039;&#039;&#039;Properties of Melatonin&#039;&#039;&#039;&amp;lt;sup&amp;gt;1&amp;lt;/sup&amp;gt; ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;fix: left; clear: left; margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;centre&amp;quot; colspan=&amp;quot;3&amp;quot; bgcolor=&amp;quot;lt blue&amp;quot; |&#039;&#039;&#039;Properites&#039;&#039;&#039;  &lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|IUPAC Systematic Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|N-[2-(5-methoxy-1H-indol-3-yl)ethyl]ethanamide&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Chemical Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|5-methoxy-N-acetaltryptamine&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Synonyms&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Circadin, MT6, Mela-T, Melatol, Melatonex, Melatonine, Melovine, Night Rest, Regulin&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular formula&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular Mass&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|232.278 gmol&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Melting Point&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|117&amp;lt;sup&amp;gt;o&amp;lt;/sup&amp;gt;C&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Type of Substance&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Neurohormone&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|CAS Registry Number&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|[http://www.emolecules.com/cgi-bin/search?t=ss&amp;amp;q=melatonin 73-31-4]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|SMILES string&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Colour&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Clear Solid&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Melatonin, (C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The 3D structure,(figure 1) and chemical structure, (figure 2) of melatonin is shown below, alongside its physical and chemical data, (above). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound. Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 3: &#039;&#039;Pineal Gland&#039;&#039;&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;]] The secretion occurs by the pineal gland, (figure 3), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 4).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 4: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&amp;lt;sup&amp;gt;4&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&amp;lt;sup&amp;gt;6&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&amp;lt;sup&amp;gt;7&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure== figure 1&lt;br /&gt;
&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Chemical Structure== figure 2&lt;br /&gt;
&lt;br /&gt;
[[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin.bmp]]&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&lt;br /&gt;
1.  http://redpoll.pharmacy.ualberta.ca/drugbank/cgi-bin/getCard.cgi?CARD=APRD00742.txt&lt;br /&gt;
&lt;br /&gt;
2.  http://images.google.co.uk/imgres?imgurl=http://www.fluoridealert.org/health/pineal/pineal.gif&amp;amp;imgrefurl=http://www.fluoridealert.org/health/pineal/&amp;amp;h=209&amp;amp;w=231&amp;amp;sz=34&amp;amp;hl=en&amp;amp;start=4&amp;amp;tbnid=QrEJe8CJOGuwKM:&amp;amp;tbnh=98&amp;amp;tbnw=108&amp;amp;prev=/images%3Fq%3Dpineal%2Bgland%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DN&lt;br /&gt;
&lt;br /&gt;
3.  http://www.ch.ic.ac.uk/local/projects/s_thipayang/+start.html&lt;br /&gt;
&lt;br /&gt;
4.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
5.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
6.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
7.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
==General Information==&lt;br /&gt;
&lt;br /&gt;
1.  &lt;br /&gt;
&lt;br /&gt;
2.  &lt;br /&gt;
&lt;br /&gt;
3.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=File:C-Documents_and_SettingsZaal_ContractorMy_DocumentsMy_PicturesGeneral_PicturesMelatonin.bmp&amp;diff=7576</id>
		<title>File:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin.bmp</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=File:C-Documents_and_SettingsZaal_ContractorMy_DocumentsMy_PicturesGeneral_PicturesMelatonin.bmp&amp;diff=7576"/>
		<updated>2006-12-07T15:00:43Z</updated>

		<summary type="html">&lt;p&gt;Zc205: chemical structure of melatonin&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;chemical structure of melatonin&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7571</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7571"/>
		<updated>2006-12-07T14:56:15Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== &#039;&#039;&#039;Properties of Melatonin&#039;&#039;&#039;&amp;lt;sup&amp;gt;1&amp;lt;/sup&amp;gt; ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;fix: left; clear: left; margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;centre&amp;quot; colspan=&amp;quot;3&amp;quot; bgcolor=&amp;quot;lt blue&amp;quot; |&#039;&#039;&#039;Properites&#039;&#039;&#039;  &lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|IUPAC Systematic Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|N-[2-(5-methoxy-1H-indol-3-yl)ethyl]ethanamide&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Chemical Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|5-methoxy-N-acetaltryptamine&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Synonyms&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Circadin, MT6, Mela-T, Melatol, Melatonex, Melatonine, Melovine, Night Rest, Regulin&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular formula&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular Mass&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|232.278 gmol&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Melting Point&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|117&amp;lt;sup&amp;gt;o&amp;lt;/sup&amp;gt;C&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Type of Substance&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Neurohormone&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|CAS Registry Number&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|[http://www.emolecules.com/cgi-bin/search?t=ss&amp;amp;q=melatonin 73-31-4]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|SMILES string&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Colour&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Clear Solid&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Melatonin, (C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The 3D structure,(figure 1) and chemical structure, (figure 2) of melatonin is shown below, alongside its physical and chemical data, (above). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound. Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 3: &#039;&#039;Pineal Gland&#039;&#039;&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;]] The secretion occurs by the pineal gland, (figure 3), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 4).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 4: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&amp;lt;sup&amp;gt;4&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&amp;lt;sup&amp;gt;6&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&amp;lt;sup&amp;gt;7&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure== figure 1&lt;br /&gt;
&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Chemical Structure== figure 2&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&lt;br /&gt;
1.  http://redpoll.pharmacy.ualberta.ca/drugbank/cgi-bin/getCard.cgi?CARD=APRD00742.txt&lt;br /&gt;
&lt;br /&gt;
2.  http://images.google.co.uk/imgres?imgurl=http://www.fluoridealert.org/health/pineal/pineal.gif&amp;amp;imgrefurl=http://www.fluoridealert.org/health/pineal/&amp;amp;h=209&amp;amp;w=231&amp;amp;sz=34&amp;amp;hl=en&amp;amp;start=4&amp;amp;tbnid=QrEJe8CJOGuwKM:&amp;amp;tbnh=98&amp;amp;tbnw=108&amp;amp;prev=/images%3Fq%3Dpineal%2Bgland%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DN&lt;br /&gt;
&lt;br /&gt;
3.  http://www.ch.ic.ac.uk/local/projects/s_thipayang/+start.html&lt;br /&gt;
&lt;br /&gt;
4.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
5.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
6.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
7.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
==General Information==&lt;br /&gt;
&lt;br /&gt;
1.  &lt;br /&gt;
&lt;br /&gt;
2.  &lt;br /&gt;
&lt;br /&gt;
3.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7564</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7564"/>
		<updated>2006-12-07T14:50:39Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== &#039;&#039;&#039;Properties of Melatonin&#039;&#039;&#039;&amp;lt;sup&amp;gt;1&amp;lt;/sup&amp;gt; ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;fix: left; clear: left; margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;centre&amp;quot; colspan=&amp;quot;3&amp;quot; bgcolor=&amp;quot;lt blue&amp;quot; |&#039;&#039;&#039;Properites&#039;&#039;&#039;  &lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|IUPAC Systematic Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|N-[2-(5-methoxy-1H-indol-3-yl)ethyl]ethanamide&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Chemical Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|5-methoxy-N-acetaltryptamine&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Synonyms&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Circadin, MT6, Mela-T, Melatol, Melatonex, Melatonine, Melovine, Night Rest, Regulin&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular formula&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular Mass&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|232.278 gmol&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Melting Point&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|117&amp;lt;sup&amp;gt;o&amp;lt;/sup&amp;gt;C&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Type of Substance&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Neurohormone&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|CAS Registry Number&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|[http://www.emolecules.com/cgi-bin/search?t=ss&amp;amp;q=melatonin 73-31-4]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|SMILES string&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Colour&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Clear Solid&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound. Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;]] The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&amp;lt;sup&amp;gt;4&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&amp;lt;sup&amp;gt;6&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&amp;lt;sup&amp;gt;7&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure==&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&lt;br /&gt;
1.  http://redpoll.pharmacy.ualberta.ca/drugbank/cgi-bin/getCard.cgi?CARD=APRD00742.txt&lt;br /&gt;
&lt;br /&gt;
2.  http://images.google.co.uk/imgres?imgurl=http://www.fluoridealert.org/health/pineal/pineal.gif&amp;amp;imgrefurl=http://www.fluoridealert.org/health/pineal/&amp;amp;h=209&amp;amp;w=231&amp;amp;sz=34&amp;amp;hl=en&amp;amp;start=4&amp;amp;tbnid=QrEJe8CJOGuwKM:&amp;amp;tbnh=98&amp;amp;tbnw=108&amp;amp;prev=/images%3Fq%3Dpineal%2Bgland%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DN&lt;br /&gt;
&lt;br /&gt;
3.  http://www.ch.ic.ac.uk/local/projects/s_thipayang/+start.html&lt;br /&gt;
&lt;br /&gt;
4.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
5.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
6.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
7.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
==General Information==&lt;br /&gt;
&lt;br /&gt;
1.  &lt;br /&gt;
&lt;br /&gt;
2.  &lt;br /&gt;
&lt;br /&gt;
3.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7562</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7562"/>
		<updated>2006-12-07T14:48:13Z</updated>

		<summary type="html">&lt;p&gt;Zc205: references added&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== &#039;&#039;&#039;Properties of Melatonin&#039;&#039;&#039;&amp;lt;sup&amp;gt;1&amp;lt;/sup&amp;gt; ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;fix: left; clear: left; margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;centre&amp;quot; colspan=&amp;quot;3&amp;quot; bgcolor=&amp;quot;lt blue&amp;quot; |&#039;&#039;&#039;Properites&#039;&#039;&#039;  &lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|IUPAC Systematic Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|N-[2-(5-methoxy-1H-indol-3-yl)ethyl]ethanamide&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Chemical Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|5-methoxy-N-acetaltryptamine&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Synonyms&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Circadin, MT6, Mela-T, Melatol, Melatonex, Melatonine, Melovine, Night Rest, Regulin&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular formula&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular Mass&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|232.278 gmol&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Melting Point&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|117&amp;lt;sup&amp;gt;o&amp;lt;/sup&amp;gt;C&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Type of Substance&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Neurohormone&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|CAS Registry Number&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|[http://www.emolecules.com/cgi-bin/search?t=ss&amp;amp;q=melatonin 73-31-4]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|SMILES string&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Colour&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Clear Solid&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound. Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;]] The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&amp;lt;sup&amp;gt;4&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&amp;lt;sup&amp;gt;6&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&amp;lt;sup&amp;gt;7&amp;lt;/sup&amp;gt;&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure==&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&lt;br /&gt;
1.  http://redpoll.pharmacy.ualberta.ca/drugbank/cgi-bin/getCard.cgi?CARD=APRD00742.txt&lt;br /&gt;
&lt;br /&gt;
2.  http://www.fluoridealert.org/health/pineal/pineal.gif&lt;br /&gt;
&lt;br /&gt;
3.  http://www.ch.ic.ac.uk/local/projects/s_thipayang/+start.html&lt;br /&gt;
&lt;br /&gt;
4.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
5.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
6.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
7.  http://ep.bmj.com/cgi/content/full/90/3/ep74&lt;br /&gt;
&lt;br /&gt;
==General Information==&lt;br /&gt;
&lt;br /&gt;
1.  &lt;br /&gt;
&lt;br /&gt;
2.  &lt;br /&gt;
&lt;br /&gt;
3.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7498</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7498"/>
		<updated>2006-12-07T13:32:23Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== &#039;&#039;&#039;Properties of Melatonin&#039;&#039;&#039; ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;fix: left; clear: left; margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;centre&amp;quot; colspan=&amp;quot;3&amp;quot; bgcolor=&amp;quot;lt blue&amp;quot; |&#039;&#039;&#039;Properites&#039;&#039;&#039;  &lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|IUPAC Systematic Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|N-[2-(5-methoxy-1H-indol-3-yl)ethyl]ethanamide&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Chemical Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|5-methoxy-N-acetaltryptamine&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Synonyms&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Circadin, MT6, Mela-T, Melatol, Melatonex, Melatonine, Melovine, Night Rest, Regulin&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular formula&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular Mass&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|232.278 gmol&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Melting Point&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|117&amp;lt;sup&amp;gt;o&amp;lt;/sup&amp;gt;C&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Type of Substance&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Neurohormone&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|CAS Registry Number&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|[http://www.emolecules.com/cgi-bin/search?t=ss&amp;amp;q=melatonin 73-31-4]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|SMILES string&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Colour&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Clear Solid&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound, (figure 3 and figure 4). Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;]] The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure==&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7496</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7496"/>
		<updated>2006-12-07T13:31:53Z</updated>

		<summary type="html">&lt;p&gt;Zc205: inserted drug box&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== &#039;&#039;&#039;Properties of Melatonin&#039;&#039;&#039; ==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;toccolours&amp;quot; border=&amp;quot;1&amp;quot; style=&amp;quot;fix: left; clear: left; margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| align=&amp;quot;centre&amp;quot; colspan=&amp;quot;3&amp;quot; bgcolor=&amp;quot;lt blue&amp;quot; |&#039;&#039;&#039;Properites&#039;&#039;&#039;  &lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|IUPAC Systematic Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|N-[2-(5-methoxy-1H-indol-3-yl)ethyl]ethanamide&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Chemical Name&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|5-methoxy-N-acetaltryptamine&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Synonyms&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Circadin, MT6, Mela-T, Melatol, Melatonex, Melatonine, Melovine, Night Rest, Regulin&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular formula&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|C&amp;lt;sub&amp;gt;13&amp;lt;/sub&amp;gt;H&amp;lt;sub&amp;gt;16&amp;lt;/sub&amp;gt;N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;0&amp;lt;sub&amp;gt;2&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Molecular Mass&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|232.278 gmol&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Melting Point&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|117&amp;lt;sup&amp;gt;o&amp;lt;/sup&amp;gt;C&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Solubility&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Fat soluble, practically insoluble in water&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Type of Substance&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Neurohormone&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|CAS Registry Number&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|[http://www.emolecules.com/cgi-bin/search?t=ss&amp;amp;q=melatonin 73-31-4]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|SMILES string&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;1&amp;quot;|Colour&lt;br /&gt;
|colspan=&amp;quot;2&amp;quot;|Clear Solid&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound, (figure 3 and figure 4). Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;]] The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure==&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7465</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=7465"/>
		<updated>2006-12-07T13:00:13Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound, (figure 3 and figure 4). Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;]] The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;br /&gt;
&lt;br /&gt;
==3D Structure==&lt;br /&gt;
&amp;lt;jmol&amp;gt;&lt;br /&gt;
&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;size&amp;gt;325&amp;lt;/size&amp;gt;&lt;br /&gt;
&amp;lt;color&amp;gt;white&amp;lt;/color&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;zoom 100; cpk off;frame 1; move 10 -20 10 0 0 0 0 0 3; delay 1;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;inlineContents&amp;gt;HEADER    CSD ENTRY XICKAV&lt;br /&gt;
ATOM      1  C1  MOL     1      17.585   9.594   0.030  1.00  0.00              &lt;br /&gt;
ATOM      2  C2  MOL     1      18.985  10.261   0.015  1.00  0.00              &lt;br /&gt;
ATOM      3  C3  MOL     1      16.624  10.755   0.025  1.00  0.00              &lt;br /&gt;
ATOM      4  N4  MOL     1      20.107   9.328   0.000  1.00  0.00              &lt;br /&gt;
ATOM      5  C5  MOL     1      15.171  10.739   0.012  1.00  0.00              &lt;br /&gt;
ATOM      6  C6  MOL     1      17.022  12.032   0.026  1.00  0.00              &lt;br /&gt;
ATOM      7  C7  MOL     1      21.430   9.900  -0.011  1.00  0.00              &lt;br /&gt;
ATOM      8  C8  MOL     1      14.769  11.987   0.004  1.00  0.00              &lt;br /&gt;
ATOM      9  C9  MOL     1      14.230   9.623   0.005  1.00  0.00              &lt;br /&gt;
ATOM     10  N10 MOL     1      15.863  12.848   0.014  1.00  0.00              &lt;br /&gt;
ATOM     11  C11 MOL     1      22.646   9.022  -0.024  1.00  0.00              &lt;br /&gt;
ATOM     12  O12 MOL     1      21.561  11.131  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     13  C13 MOL     1      13.381  12.354  -0.012  1.00  0.00              &lt;br /&gt;
ATOM     14  C14 MOL     1      12.921   9.932  -0.009  1.00  0.00              &lt;br /&gt;
ATOM     15  C15 MOL     1      12.484  11.367  -0.019  1.00  0.00              &lt;br /&gt;
ATOM     16  O16 MOL     1      11.955   8.913  -0.014  1.00  0.00              &lt;br /&gt;
ATOM     17  C17 MOL     1      10.627   9.474  -0.028  1.00  0.00              &lt;br /&gt;
ATOM     18  H36 MOL     1      17.455   9.023  -0.780  1.00  0.00              &lt;br /&gt;
ATOM     19  H38 MOL     1      17.465   9.039   0.853  1.00  0.00              &lt;br /&gt;
ATOM     20  H40 MOL     1      19.047  10.835  -0.802  1.00  0.00              &lt;br /&gt;
ATOM     21  H42 MOL     1      19.066  10.833   0.831  1.00  0.00              &lt;br /&gt;
ATOM     22  H44 MOL     1      19.965   8.339  -0.001  1.00  0.00              &lt;br /&gt;
ATOM     23  H46 MOL     1      17.969  12.354   0.035  1.00  0.00              &lt;br /&gt;
ATOM     24  H48 MOL     1      14.544   8.674   0.011  1.00  0.00              &lt;br /&gt;
ATOM     25  H50 MOL     1      15.836  13.847   0.013  1.00  0.00              &lt;br /&gt;
ATOM     26  H52 MOL     1      23.468   9.590  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     27  H54 MOL     1      22.632   8.445  -0.840  1.00  0.00              &lt;br /&gt;
ATOM     28  H56 MOL     1      22.648   8.444   0.792  1.00  0.00              &lt;br /&gt;
ATOM     29  H58 MOL     1      13.098  13.313  -0.018  1.00  0.00              &lt;br /&gt;
ATOM     30  H60 MOL     1      11.508  11.587  -0.031  1.00  0.00              &lt;br /&gt;
ATOM     31  H62 MOL     1       9.953   8.735  -0.032  1.00  0.00              &lt;br /&gt;
ATOM     32  H64 MOL     1      10.510  10.034  -0.848  1.00  0.00              &lt;br /&gt;
ATOM     33  H66 MOL     1      10.495  10.040   0.785  1.00  0.00   &lt;br /&gt;
END&amp;lt;/inlineContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&lt;br /&gt;
&amp;lt;/jmol&amp;gt;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=Epilepsy_treatment&amp;diff=5629</id>
		<title>Epilepsy treatment</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=Epilepsy_treatment&amp;diff=5629"/>
		<updated>2006-11-20T15:22:46Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin has a positive effect on those suffering from epilepsy. This is because melatonin inhibits glutamate receptors and hence plays a neuro-protecting role. It is also a known anti oxidant and therefore destroys many toxic free radicals that are created during a seizure. Also, epilepsy can be heightened through lack of sleep. Since melatonin can cure sleeping disorders, it follows that it will also help to reduce the severity and frequency of epileptic fits. It also has anticonvulsant properties.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=Neurological_disorder_treatment&amp;diff=5624</id>
		<title>Neurological disorder treatment</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=Neurological_disorder_treatment&amp;diff=5624"/>
		<updated>2006-11-20T15:16:24Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;80% of children suffering from a neurological disorder suffer from sleep disorders. Most of these are not treatable via hypnosis or other methods. Melatonin is extremely beneficial to those suffering from these disorders, when doses of around 9mg are used. No adverse affects were reported.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=Visual_impairment_treatment&amp;diff=5611</id>
		<title>Visual impairment treatment</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=Visual_impairment_treatment&amp;diff=5611"/>
		<updated>2006-11-20T15:00:02Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;It has been shown that the amount of endogenous melatonin secreted by the pineal gland is dependent on the amount of light on the retina. Those suffering from visual impairment may not perceive changes in light levels accurately. This may lead to sleep disorders. It was shown that when melatonin was given to persons both with and without a visual impairment, the former seemed to respond extremely well with improved sleeping patters, while the latter showed no response.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=Treating_sleep_disorders&amp;diff=5610</id>
		<title>Treating sleep disorders</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=Treating_sleep_disorders&amp;diff=5610"/>
		<updated>2006-11-20T14:58:39Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;A sleep disorder is said to be present whenever a lower quality of sleep results in excessive sleepiness, longer reaction times and the impairing of general functions. The most common sleep disorder is insomnia, which is literally the inability to sleep. Other sleep disorders include primary and secondary sleep disorders, and sleep restriction.&lt;br /&gt;
&lt;br /&gt;
Melatonin unfortunately has no effect on those suffering from primary sleeping disorders or sleep restriction. After a high quality study was conducted on people with this disorder, it was established that melatonin did not have an effect on sleep efficiency, and its effects did not vary by dose, length of treatment or the age of the guinea pig! Furthermore, it had no effect on the quality of sleep, be it wakefulness, the time spent sleeping in the rapid eye movement phase total sleep time.&lt;br /&gt;
&lt;br /&gt;
Melatonin did however increase sleep efficiency in people suffering from a secondary sleep disorder by as much as 95%. Once again however, the effects did not vary by amount, length of treatment or gender or age person. The drug has also been shown to be extremely efficient in treating those suffering from jet lag.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5606</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5606"/>
		<updated>2006-11-20T14:53:24Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound, (figure 3 and figure 4). Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;]] The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders]]&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment]]&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment]]&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment]]&lt;br /&gt;
&lt;br /&gt;
5.	[[Dietary supplements]]&lt;br /&gt;
&lt;br /&gt;
6.	[[Cancer treatment]]&lt;br /&gt;
&lt;br /&gt;
7.	[[Strengthening the immune system]]&lt;br /&gt;
&lt;br /&gt;
8.	[[Human life extension]]&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=Treating_sleep_disorders_and_in_sleep_EEG.&amp;diff=5605</id>
		<title>Treating sleep disorders and in sleep EEG.</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=Treating_sleep_disorders_and_in_sleep_EEG.&amp;diff=5605"/>
		<updated>2006-11-20T14:52:22Z</updated>

		<summary type="html">&lt;p&gt;Zc205: uses of melatonin in treating sleep disorder&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;A sleep disorder is said to be present whenever a lower quality of sleep results in excessive sleepiness, longer reaction times and the impairing of general functions. The most common sleep disorder is insomnia, which is literally the inability to sleep. Other sleep disorders include primary and secondary sleep disorders, and sleep restriction.&lt;br /&gt;
&lt;br /&gt;
Melatonin unfortunately has no effect on those suffering from primary sleeping disorders or sleep restriction. After a high quality study was conducted on people with this disorder, it was established that melatonin did not have an effect on sleep efficiency, and its effects did not vary by dose, length of treatment or the age of the guinea pig! Furthermore, it had no effect on the quality of sleep, be it wakefulness, the time spent sleeping in the rapid eye movement phase total sleep time.&lt;br /&gt;
&lt;br /&gt;
Melatonin did however increase sleep efficiency in people suffering from a secondary sleep disorder by as much as 95%. Once again however, the effects did not vary by amount, length of treatment or gender or age person. The drug has also been shown to be extremely efficient in treating those suffering from jet lag.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5591</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5591"/>
		<updated>2006-11-20T14:17:03Z</updated>

		<summary type="html">&lt;p&gt;Zc205: internal links added&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound, (figure 3 and figure 4). Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;]] The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	[[Treating sleep disorders and in sleep EEG.]]&lt;br /&gt;
&lt;br /&gt;
2.	[[Visual impairment treatment.]]&lt;br /&gt;
&lt;br /&gt;
3.	[[Neurological disorder treatment.]]&lt;br /&gt;
&lt;br /&gt;
4.	[[Epilepsy treatment.]]&lt;br /&gt;
&lt;br /&gt;
5.	[[Dietary supplements.]]&lt;br /&gt;
&lt;br /&gt;
6.	[[Cancer treatment.]]&lt;br /&gt;
&lt;br /&gt;
7.	[[Strengthening the immune system.]]&lt;br /&gt;
&lt;br /&gt;
8.	[[Human life extension.]]&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5369</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5369"/>
		<updated>2006-11-14T22:48:52Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound, (figure 3 and figure 4). Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;]] The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. [[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]] This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	Treating sleep disorders and in sleep EEG.&lt;br /&gt;
&lt;br /&gt;
2.	Visual impairment treatment.&lt;br /&gt;
&lt;br /&gt;
3.	Neurological disorder treatment.&lt;br /&gt;
&lt;br /&gt;
4.	Epilepsy treatment.&lt;br /&gt;
&lt;br /&gt;
5.	Dietary supplements.&lt;br /&gt;
&lt;br /&gt;
6.	Cancer treatment.&lt;br /&gt;
&lt;br /&gt;
7.	Strengthening the immune system.&lt;br /&gt;
&lt;br /&gt;
8.	Human life extension.&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5368</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5368"/>
		<updated>2006-11-14T22:35:21Z</updated>

		<summary type="html">&lt;p&gt;Zc205: addition of picture and lots of info&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound, (figure 3 and figure 4). Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (116&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C – 118&amp;lt;sup&amp;gt;0&amp;lt;/sup&amp;gt;C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes.&lt;br /&gt;
&lt;br /&gt;
[[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;]]&lt;br /&gt;
&lt;br /&gt;
The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
[[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]]&lt;br /&gt;
 &lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	Treating sleep disorders and in sleep EEG.&lt;br /&gt;
2.	Visual impairment treatment.&lt;br /&gt;
3.	Neurological disorder treatment.&lt;br /&gt;
4.	Epilepsy treatment.&lt;br /&gt;
5.	Dietary supplements.&lt;br /&gt;
6.	Cancer treatment.&lt;br /&gt;
7.	Strengthening the immune system.&lt;br /&gt;
8.	Human life extension.&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=File:C-Documents_and_SettingsZaal_ContractorMy_DocumentsMy_PicturesGeneral_PicturesPineal_Gland.jpg&amp;diff=5367</id>
		<title>File:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=File:C-Documents_and_SettingsZaal_ContractorMy_DocumentsMy_PicturesGeneral_PicturesPineal_Gland.jpg&amp;diff=5367"/>
		<updated>2006-11-14T22:13:26Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=File:Pineal_Gland.gif&amp;diff=5366</id>
		<title>File:Pineal Gland.gif</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=File:Pineal_Gland.gif&amp;diff=5366"/>
		<updated>2006-11-14T22:11:39Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5365</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5365"/>
		<updated>2006-11-14T22:11:24Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. The idea of being able to extend the human lifespan makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
The structure of melatonin is shown on the right, (figure 1), alongside its physical and chemical data, (figure 2). This structure was determined via X-ray diffraction. A single melatonin crystal can be isolated after crystallising it in a benzene solution. Infrared and 1H NMR spectroscopy can be used to analyse the compound, (figure 3 and figure 4). Both techniques show evidence of hydrogen bonding between nitrogen and hydrogen. This provides an adequate reason for the higher than expected boiling point of melatonin, (11600C – 1180C).&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties, and minimal side effects. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. The secretion occurs by the pineal gland, (figure 5), in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes.&lt;br /&gt;
&lt;br /&gt;
[[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesPineal Gland.jpg|thumb|Figure 5: &#039;&#039;Pineal Gland&#039;&#039;]]&lt;br /&gt;
&lt;br /&gt;
The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The latter condition is illustrated in the diagram below, (figure 6).&lt;br /&gt;
&lt;br /&gt;
[[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 6: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]]&lt;br /&gt;
 &lt;br /&gt;
Figure 6: The graph below shows how the level of melatonin being circulated in the blood within the human body varies over a twenty-four period.&lt;br /&gt;
&lt;br /&gt;
The levels of melatonin in the circulatory system are easily monitored as the hormone is non-species specific. This allows a direct comparison to be made between pineal activity in species with varying breeding patterns and the amount of melatonin being produced. Many techniques can be used to analyse the levels of melatonin in the blood, of which bioassay, fluorometry, mass spectroscopy and gas chromatography are the most prominent. Of these, gas chromatography and mass spectroscopy are probably the most useful as they are highly specific and highly sensitive, giving an error of just ±0.01pg.&lt;br /&gt;
&lt;br /&gt;
Melatonin can be used in a wide variety of disciplines, including:&lt;br /&gt;
&lt;br /&gt;
1.	Treating sleep disorders and in sleep EEG.&lt;br /&gt;
2.	Visual impairment treatment.&lt;br /&gt;
3.	Neurological disorder treatment.&lt;br /&gt;
4.	Epilepsy treatment.&lt;br /&gt;
5.	Dietary supplements.&lt;br /&gt;
6.	Cancer treatment.&lt;br /&gt;
7.	Strengthening the immune system.&lt;br /&gt;
8.	Human life extension.&lt;br /&gt;
&lt;br /&gt;
Although melatonin is one of the least toxic substances known to man, the drug has not been approved by the Food and Drug Administration. As a result, there has been no indication by a regulating body as to what a safe dosage of melatonin is. Indeed, in many cases, the amount of the drug taken to induce an effect varies greatly from person to person. An experimental safe dosage is said to be 1.5mg, and should be taken before sleeping. However, doctors have administered dosages from 1mg to 200mg, and there is no evidence to suggest that over dosing leads to increased side effects. It is clear however, that even at extremely high dosages, (300mg), the negative side effects have been minimal. These include simply drowsiness and slower reaction times. Muscle, mood and sex life enhancement, along side energy boosting properties are amongst the positive side effects of melatonin.&lt;br /&gt;
&lt;br /&gt;
Melatonin is still in the early stages of a highly rigorous analytical process, designed to assess its safety as a drug for humans. Regardless of this seemingly harmless substance, scientists have advised pregnant women, those with severe allergies, mental illnesses and immune system cancers not to take it.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5346</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5346"/>
		<updated>2006-11-13T17:35:54Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. This alone makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. The secretion occurs by the pineal gland in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The graph below shows how the level of melatonin being circulated in the blood within the human body varies over a twenty-four period.&lt;br /&gt;
&lt;br /&gt;
[[Image:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg|thumb|Figure 1: &#039;&#039;Melatonin Levels in the Blood&#039;&#039;]]&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5345</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5345"/>
		<updated>2006-11-13T17:34:27Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. This alone makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. The secretion occurs by the pineal gland in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The graph below shows how the level of melatonin being circulated in the blood within the human body varies over a twenty-four period.&lt;br /&gt;
&lt;br /&gt;
[[Image:C:\Documents and Settings\Zaal Contractor\My Documents\My Pictures\General Pictures\Melatonin Levels.jpg]]&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=File:C-Documents_and_SettingsZaal_ContractorMy_DocumentsMy_PicturesGeneral_PicturesMelatonin_Levels.jpg&amp;diff=5344</id>
		<title>File:C-Documents and SettingsZaal ContractorMy DocumentsMy PicturesGeneral PicturesMelatonin Levels.jpg</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=File:C-Documents_and_SettingsZaal_ContractorMy_DocumentsMy_PicturesGeneral_PicturesMelatonin_Levels.jpg&amp;diff=5344"/>
		<updated>2006-11-13T17:33:49Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5343</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5343"/>
		<updated>2006-11-13T17:32:57Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. This alone makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. The secretion occurs by the pineal gland in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The graph below shows how the level of melatonin being circulated in the blood within the human body varies over a twenty-four period.&lt;br /&gt;
&lt;br /&gt;
C:\Documents and Settings\Zaal Contractor\My Documents\My Pictures\General Pictures\Melatonin Levels.jpg&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5342</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5342"/>
		<updated>2006-11-13T17:31:17Z</updated>

		<summary type="html">&lt;p&gt;Zc205: Initial introduction on melatonin&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Melatonin, (C13H16N2O2), or 5-methoxy-N-acetaltryptamine is considered to be the ultimate route towards an uninterrupted sleep. It also controls other vital bodily functions, including the metabolism rate and ones sex drive. Perhaps most excitingly however, melatonin is thought to hold the key to the door behind which the prospect of human life extension lies. This alone makes melatonin one of the most widely researched topics today.&lt;br /&gt;
&lt;br /&gt;
Melatonin is the hormone that helps to regulate sleep-wake cycles, and can be found within all living creatures. Besides this key role, melatonin is thought to have many other useful properties. As a result, it is available as an over the counter drug, even though it is secreted naturally within humans. While the natural form can be contaminated by viruses, the synthetic product is often used to eliminate sleeping disorders and to minimise the effects of jet lag. Older people may find it particularly useful because as humans age, the amount of melatonin secreted in the body decreases. This gives some explanation as to why young people find it easier to sleep than older people.&lt;br /&gt;
&lt;br /&gt;
For humans specifically, the neurohormone is naturally synthesised by the enzyme 5-hydroxyindole-O-methyltransferase from tryptophan, an amino acid essential in human nutrition. The secretion occurs by the pineal gland in the brain, the gastrointestinal tract and the retina as the fall of darkness is registered by the eyes. The two conditions required for the pea-sized pineal gland to produce the hormone. Firstly, it must be dark, and secondly the time must be right, (i.e. between approximately 09.00 and 21.00). The graph below shows how the level of melatonin being circulated in the blood within the human body varies over a twenty-four period.&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=File:Melatonin_Levels.jpg&amp;diff=5341</id>
		<title>File:Melatonin Levels.jpg</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=File:Melatonin_Levels.jpg&amp;diff=5341"/>
		<updated>2006-11-13T17:28:08Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5031</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5031"/>
		<updated>2006-11-08T20:51:57Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5030</id>
		<title>It:Melatonin</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:Melatonin&amp;diff=5030"/>
		<updated>2006-11-08T20:33:35Z</updated>

		<summary type="html">&lt;p&gt;Zc205: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;fdgfgsag&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=It:projects&amp;diff=5029</id>
		<title>It:projects</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=It:projects&amp;diff=5029"/>
		<updated>2006-11-08T20:32:38Z</updated>

		<summary type="html">&lt;p&gt;Zc205: New compound added&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;__FORCETOC__&lt;br /&gt;
&lt;br /&gt;
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| bgcolor=&amp;quot;#CCFF00&amp;quot; |18&lt;br /&gt;
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*[[it:Ranitidine|Ranitidine, antiulcerative]]&lt;br /&gt;
*[[it:chlorphentermine|chlorphentermine, anorectic]]&lt;br /&gt;
*[[it:Serotonin|Serotonin, The &#039;HAPPY&#039; Drug]]&lt;br /&gt;
*[[it:Amphidinolide T1|Amphidinolide T1]]&lt;br /&gt;
*[[it:Rosiglitazone|Rosiglitazone, drug that is currently used to treat diabetes.]]&lt;br /&gt;
*[[it:Furosemide|Furosemide]]&lt;br /&gt;
*[[it:Tryptophan|Tryptophan]]&lt;br /&gt;
*[[it:methylpentynol|methylpentynol, tranquilliser.]]&lt;br /&gt;
*[[it:Ferrocene|Ferrocene]]&lt;br /&gt;
*[[it:Scopolamine|Scopolamine, the (Former) Truth Drug]]&lt;br /&gt;
*[[it:Camptothecin|Camptothecin,Anti-cancer agent ]]&lt;br /&gt;
*[[it:Salmeterol|Salmeterol, an agonist used to treat asthma]]&lt;br /&gt;
*[[it:Psilocin|Psilocin]]&lt;br /&gt;
*[[it:Epibatidine|Epibatidine]]&lt;br /&gt;
*[[it:Beta Carotene|Beta Carotene]]&lt;br /&gt;
*[[it:Thyroxine|Thyroxine, the Thyroid Hormone]]&lt;br /&gt;
*[[it:Tetrahydrocannabinol|Tetrahydrocannabinol]]&lt;br /&gt;
*[[it:Linalool|Linalool(A component of essential oil)]]&lt;br /&gt;
*[[it:Dihydroartemisinin| Dihydroartemisinin, An Active Anti-Malarial]]&lt;br /&gt;
*[[it:Acrolein|Acrolein]]&lt;br /&gt;
*[[it:Cinnamaldehyde|Cinnamaldehde: The smell and taste in the spice cinnamon]]&lt;br /&gt;
*[[it:Melatonin|Melatonin: The All-Natural Nightcap]]&lt;br /&gt;
&lt;br /&gt;
== [[Special:Export|Export Pages]] ==&lt;br /&gt;
&lt;br /&gt;
This takes you to an &#039;&#039;&#039;Export&#039;&#039;&#039; page. A backup of the Projects area can be made (in XML) if you want to keep your own &#039;&#039;snapshot&#039;&#039; of the project pages at any instant. After you Export the page you want (ie &#039;&#039;&#039;It:projects&#039;&#039;&#039; or &#039;&#039;&#039;It:Lignocaine&#039;&#039;&#039; for example) the XML encoding of it will appear in your browser Window. You should &#039;&#039;&#039;view source&#039;&#039;&#039; for this material, copy it to a text editor, and thence save it to disk.&lt;br /&gt;
&lt;br /&gt;
== Overlaps ==&lt;br /&gt;
&lt;br /&gt;
If someone else  starts editing a page at the same time as you,   the system will detect this and offer alternatives for you to deal with.  For example, it may suggest you copy the contents of the page you have been editing and merge it into the other person&#039;s page,&lt;br /&gt;
so that both the sets of edits are preserved.  Read the on-screen instructions carefully!&lt;br /&gt;
&lt;br /&gt;
Another precaution you could take is to keep a copy of the contents of the page you are editing in eg Wordpad (or Word),&lt;br /&gt;
make the changes there, and then copy the entire lot to the  Wiki page to preview and then save. That way, if your contribution&lt;br /&gt;
is overlapped by someone else, you will still have a copy, and you can then resubmit it.&lt;br /&gt;
----&lt;br /&gt;
--[[User:Rzepa|Rzepa]] 12:25, 19 October 2006 (BST)--[[User:Rzepa|Rzepa]] 08:31, 5 November 2006 (UTC)&lt;br /&gt;
&lt;br /&gt;
== Wiki Utillities ==&lt;br /&gt;
Utilities have been written to help the conversion of material from  HTML.&lt;br /&gt;
&lt;br /&gt;
# [http://diberri.dyndns.org/wikipedia/html2wiki/ A HTML2Wiki Converter]&lt;br /&gt;
&lt;br /&gt;
No wiki2html converter suitable for use has yet been identified.&lt;br /&gt;
=== Wiki Templates ===&lt;br /&gt;
&lt;br /&gt;
[[Template:DOI]] and [[Template:Doi-inline]] are providea as (protected) templates for your use.  Many other templates exist, often to be found on e.g. Wikipedia pages.  You may decide one of these is of particular use, or of interest.  If so, you can install it on the wiki here for you and others to use.  Add below a line that looks like  {{template-name|parameter}}, save, and click on the red text to create the new template. If you prefer the task of adding useful templates to that of adding information about molecules, then you will be given full credit for performing this valuable service for others!&lt;br /&gt;
--[[User:Rzepa|Rzepa]] 14:41, 20 October 2006 (BST)&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
[[Template:Chem-Data]]&lt;/div&gt;</summary>
		<author><name>Zc205</name></author>
	</entry>
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