carboxyl group


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Related to carboxyl group: Carboxyl functional group

carboxyl group

The acidic functional group found in organic molecules, consisting of carbon with one doubled-bonded (carbonyl group) O2, and a single-bonded O2.

carboxyl group

the monovalent group -COOH, found in aldehydes and ketones.
References in periodicals archive ?
The data support the above assumption that MB adsorption was predominantly dependent on the amount of carboxyl groups.
Farley and Hixon, (1942) rationalized that slightly oxidized starch granules can swell to a higher degree than the unmodified starch because of their higher hydration capacity from introduction of the carboxyl groups, resulting in a higher viscosity.
So these particles will have free carboxyl groups and the underivatized amino groups will be cross linked.
The attack at the C-2 position results in the addition of a carboxyl group and the terminal carbon is displaced to become a methyl group on the subterminal carbon.
It is an evidence that hydroxyl group of cellulose was replaced with carboxyl group when carboxymethylation reaction occur.
The coat layer comprises a copolymerized polyester having carboxyl group terminals and Tg in the range of 70 to 80[degrees] C.
We have, for example, recently coupled chemically PS-PCEMA-PAA nanotubes hearing terminal amino groups with microspheres bearing surface carboxyl group.
The content of total phenolic hydroxyl groups in residual lignins, which decreased with decreasing cooking temperature, also correlated well with the bleachability, as measured by the total kappa factor, and functional groups such as copper number and carboxyl group of the bleached pulp.
The resulting product, known as Therban XT VPKA 8889 (XT), is an HXNBR terpolymer that is substantially flee from carboxyl group hydrogenation (ref.
The position of unsaturated carbon atoms may be indicated in two ways: by a numerical system which designates the carbon of the carboxyl group as 1 subsequent carbon atoms as 2, 3, 4, etc.
Our chromatographic studies demonstrated that the fosphenytoin metabolite was retained on the Betamax Acid HPLC column, which was presumed to result from the presence of a carboxyl group on the molecule.
Amino acids can be described as a group of organic molecules that comprise of an organic R group or a side chain, which presents a solitary characteristic to the amino acid, an acidic carboxyl group represented as -COOH and a basic amino group represented as -NH2.