aldehyde group

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Noun1.aldehyde group - the chemical group -CHO
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
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References in periodicals archive ?
However, the aldehyde group on the oxidized dextran makes it has the ultraviolet absorption.
Glyoxylic is a highly reactive chemical compound and strong acid having two functional groups such as a carboxylic group and an aldehyde group. Owing to its bi-functionality, glyoxylic acid is a versatile reagent in fine and organic chemical syntheses.
Color changes were also observed as the reaction evolved, which could be attributed to the aldimine binding reactions (CH = N) that occur when an aldehyde group (-CHO) reacts with an amino group during the crosslinking process.
[ClickPress, Sat Nov 10 2018] Glyoxal is an organic compound that belongs to the aldehyde group and has the chemical formula OCHHO (CAS Number: 107-22-2).
Key statement: Acido-basic properties of a system containing a polymer fragment obtained by oxidative cleavage of a carbon-carbon double bond of a diene rubber polymer and a functional molecule having in a structure thereof an alkoxysilyl group and at least one functional group selected from the group consisting of an aldehyde group and a carbonyl group are changed such that the system becomes basic when acidic, and becomes acidic when basic, thereby combining the polymer fragment with the functional molecule to form a modified diene rubber polymer having an alkoxysilyl group incorporated therein.
In addition, ALDH2 could catalyze the aldehyde group at the end of 4-HNE to finally metabolize into inactive 1,4-di-hydroxyl-2-nonylene,[sup][22] thus exert protective effects for cells and tissues, reduce the risk of developing AS, and delay the progression of AS.
Plastics generate Volatile Organic Compounds, mostly of the Aldehyde group which is a proven carcinogen ( cancer causing agent).
Cortisol in aqueous solution is degraded into steroid-glyoxal, with an aldehyde group in the C21 position, and is able to bind covalently with guanidine groups of the protein, thus establishing a potentially immunogenic steroid-protein compound.
the aldehyde group of glucose it enters into a secret pact.
The absorption peak at 1732 cm and the relatively weak peak at 2714 [cm.sup.-1] peak are assigned to the stretching vibration modes of the C=O and C-H bonds in the aldehyde group, respectively, suggesting the existence of aldehyde groups in resin structure.
The aldehyde group of the glucose first forms a Schiff base with the NH2-terminal amino group, which then rearranges to a more stable amino ketone linkage by a spontaneous (nonenzymatic) reaction known as the Amadori rearrangement.
The degree of unsaturation and the position of the double bond relative to the aldehyde group are optimal for irritant potential (Alarie et al., 1998).

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