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Aldehyde

Aldehyde

(Science: chemistry) a carbon atom double-bonded to an oxygen, single-bonded to a hydrogen, and single-bonded to another chemical group (such as methane, benzene, another hydrogen, anything).

The carbon oxygen double bond part is known as a carbonyl group (C=O). An example is acetaldehyde, which is a carbonyl group single-bonded to a hydrogen and single-bonded to a methane (a methyl group: CH3).


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'asian flush syndrom' and methanol intoxication

so with asian flush syndrome they have underactive aldehyde dehydrogenase right? and so methanol is converted to formaldehyde and this is toxic when it builds up... therefore people with asian flush syndrome would be more susceptible than someone ...

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by dakims
Sat Dec 13, 2008 4:42 pm
 
Forum: Molecular Biology
Topic: 'asian flush syndrom' and methanol intoxication
Replies: 0
Views: 526

Four Questions on Cellular Respiration

... the fate of alcohol, but I just remember that in the yeast it is transported out of the cell and in humans alcohol dehydrogenase convert it to the aldehyde. So alcohol is like a waste. Am I right, Andrew? ;)

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by MisterATP
Sun Sep 28, 2008 7:19 am
 
Forum: Cell Biology
Topic: Four Questions on Cellular Respiration
Replies: 5
Views: 2404

Reducing sugars

... reducing sugars are such that they reduce Cu III to Cu+ ions, as in a Benedict’s solution. This reduction is due to the double bonded =O in the Aldehyde, and Keytone groups. What I do not get is how this reaction occurs when the monosaccharide like say glucose forms a ring which it does when ...

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by MichaelXY
Thu Feb 28, 2008 11:35 pm
 
Forum: Molecular Biology
Topic: Reducing sugars
Replies: 2
Views: 364

The Fiber Disease

... fixing points for functional anionic additives. For example, the cationic cellulose fibre can be obtained by oxidation of the fibre to introduce aldehyde groups, followed by reaction of part of the aldehyde groups with a nitrogen-containing reagent such as betaine hydrazide hydrochloride. This ...

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by London
Wed Dec 13, 2006 9:36 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748645

Why does fructose not form polymers like glucose?

... have any exposed OH groups? What do you mean by exposed? Also i just looked up on Wikipedia that Fructose is a reducing sugar, as it does have an aldehyde group.

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by kluftern2
Mon Oct 16, 2006 1:18 am
 
Forum: General Discussion
Topic: Why does fructose not form polymers like glucose?
Replies: 7
Views: 1052
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