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Chemists

Chemist

1. A specialist or expert in chemistry.

2. Pharmacist (British).


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Re: The general theory of origin of life

... if we do not understand the mechanism the conditions for its origin. "The theory of space" will give for biologists, physicists, chemists, astrophysicists, astrobiologists and other researchers a tool that is as important as a scalpel for surgeon. There is every reason to believe ...

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by leniel
Mon May 06, 2013 7:55 pm
 
Forum: General Discussion
Topic: The general theory of origin of life
Replies: 13
Views: 13549

brown substance without UV/VIS spectra

... is we have a substance isolated from plant being white, the spectrum has two maxima in UV (<300nm), but when the substance was synthesized by chemists, it is brown. However, the spectrum is exactly the same with two maxima in UV, but nothing in visible part of spectrum. I was thinking about ...

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by JackBean
Fri Feb 03, 2012 5:44 pm
 
Forum: General Discussion
Topic: brown substance without UV/VIS spectra
Replies: 0
Views: 729

Re:

... + fructose to make sucrose. Glucose is reacting utilizing its hydroxyl group with fructose to yield one sucrose. Fructose is what carbohydrate chemists call "non-reducing" while sugars like glucose are "reducing" sugars. We can also use that nomenclature with disaccharide ...

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by Maatomaat
Tue Nov 22, 2011 11:57 am
 
Forum: Cell Biology
Topic: fructose as a monomer for a polysaccharide
Replies: 9
Views: 10263

Re: fructose as a monomer for a polysaccharide

Fructose is what carbohydrate chemists call "non-reducing" Fructose is a reducing sugar (ketone group)... That's news to me. Please show me this reducing ketone group? please see this picture http://www.whisky.de/archiv/experte/images/fructose.gif ...

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by Maatomaat
Tue Nov 22, 2011 11:38 am
 
Forum: Cell Biology
Topic: fructose as a monomer for a polysaccharide
Replies: 9
Views: 10263

Re: fructose as a monomer for a polysaccharide

Fructose is what carbohydrate chemists call "non-reducing" Fructose is a reducing sugar (ketone group)... That's news to me. Please show me this reducing ketone group?

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by daniel.kurz
Mon Nov 21, 2011 6:55 pm
 
Forum: Cell Biology
Topic: fructose as a monomer for a polysaccharide
Replies: 9
Views: 10263
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