Dictionary » H » Hydroxy-



(Science: chemistry, prefix) a combining form, also used adjectively, indicating hydroxyl as an ingredient.

(Science: chemistry) Hydroxy acid, an organic acid, having (besides the hydroxyl group of the carboxyl radical) an alcoholic hydroxyl group, and thus having the qualities of an alcohol in addition to its acid properties; as, lactic and tartaric acids are hydroxy acids.

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Re: how to memorize the amino acid

... is of course an exception. Proline as well, since it is an imino acid. Alanine is the "basic" amino acid. Now, serine and cysteine are hydroxy- and thiol derivatives. Valine and leucine are dimethyl and isopropyl derivatives. Isoleucine is not iso- for no reason, so you move the methyl ...

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by JackBean
Thu Feb 09, 2012 9:52 am
Forum: General Discussion
Topic: how to memorize the amino acid
Replies: 4
Views: 7180

Replication of Photosynthesis

... water is shown to be an important part of the energy production in the plant itself. So, water coming from the roots gets hydrolyzed ( think Hydroxy, or HHO )and turns into H2 as electrons and O2 as gas. The O2 is breathed out, of course, but the extra H is used for extra plant energy. This ...

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by bellyjelly
Tue Jul 12, 2011 8:17 am
Forum: Botany Discussion
Topic: Replication of Photosynthesis
Replies: 11
Views: 8695

Non-Hygroscopic Lactic Acid?

... oils for oily skin. Can anyone help me determine how I might either buy or make a non-perishable, lactic acid (or lactic acid like - meaning alpha hydroxy benefits) that doesn't change when exposed to air? Or maybe I need a tube like container I can fill that has no air at all like toothpaste? ...

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by TheRoseFire
Mon May 09, 2011 5:53 am
Forum: Molecular Biology
Topic: Non-Hygroscopic Lactic Acid?
Replies: 0
Views: 2739


... its relative affinity for the stationary phase (paper) and the mobile phase (the solvent system). The cellulose of paper is polar due to the sugar hydroxy groups while the solvent system (I'm guessing) was a mixture of organics (butanol/chloroform maybe or something like that). You spot a sample ...

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by blcr11
Sun May 06, 2007 11:35 am
Forum: Botany Discussion
Topic: Chromatograms
Replies: 4
Views: 2855

The Fiber Disease

... of Pseudomonas Putrefaciens ....... " Lipopolysaccharides from all four strains had similar, complex fatty acid compositions. The major non-hydroxy acids were the straight-chain and iso-branched C13 acids. "Beta-Hydroxy acids common to all strains included the straight-chain C11, C12, ...

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by hartuk
Wed Dec 06, 2006 9:44 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6262490
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