Examples of 'free carboxyl' in a sentence
Meaning of "free carboxyl"
Free carboxyl: In organic chemistry, a free carboxyl group refers to a functional group (-COOH) that is not involved in any chemical bonds with other atoms within a molecule. This unbound carboxyl group is reactive and can participate in various chemical reactions
How to use "free carboxyl" in a sentence
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free carboxyl
The remaining residues are present as free carboxyl groups.
Free carboxyl groups can be derivatized as amides or alkyl esters.
This second type of complex has a free carboxyl group.
This exposes a free carboxyl at the penultimate residue of each protein.
These esters can be prepared by esterification of a free carboxyl group in conventional manner.
The free carboxyl may react with the amide to form an imide.
A cysteine residue is coupled to the free carboxyl using standard peptide synthesis reagents.
The free carboxyl may also react with further base to form an amide salt.
The peptide was designed with a free carboxyl terminus for the following reasons.
These pectin methyl esterase enzymes deesterify pectins to form blocks of free carboxyl groups.
The polymer containing free carboxyl groups is preferably a homopolymer of acrylic acid.
The biodegradable polymer for the present invention preferably has a free carboxyl group at one end.
The increase in free carboxyl groups can be easily monitored by automatic titration.
In order to ensure peptide elongation procedures free carboxyl groups have to be suitably protected.
For instance, free carboxyl groups can be derivatized as amides or alkyl esters.
See also
The activated polyethylene glycol which is bound to the free carboxyl group includes polyoxyethylenediamine.
COOH refers to the free carboxyl group present at the carboxyl terminus of a polypeptide.
Compound I is finally obtained in which the group B represents a free carboxyl group.
The coupling reagent also reacts with other free carboxyl groups also giving acylisothiocyanate derivatives.
The publication mentions specifically that there remain no more than 1 % of free carboxyl acid groups.
The other end of polypeptide has a free carboxyl group called C terminal or carboxyl terminal.
It is preferred that the C-terminus contains a free carboxyl.
Generally, these free carboxyl groups will be deprotonated under neutral or basic conditions.
Prior to reaction with this biotinylation reagent, free carboxyl termini must be activated.
The ratio of free carboxyl groups to the esters is approximately 1:2.
A process for producing a biodegradable polymer having a free carboxyl group at the w-end comprising,.
The ratio of free carboxyl groups to the ester groups is approximately 1:1.
Enteric layers usually comprise gastro-resistant polymers that have free carboxyl groups with acidic characteristics.
The ratio free carboxyl group to ester group is preferably about 1:1.
Preferably the peptides are amidated or have a free carboxyl at the C-terminal.
Compounds of formula ( I ) having a free carboxyl group may also form salts with physiologically tolerable bases.
Optimum recognition occurs when a C-terminal arginine with a free carboxyl group is present.
The other end, with its free carboxyl group, is called the carboxyl terminal or C-terminal.
Compounds of formula ( III ) advantageously have three free carboxyl groups in each instance.
When the R7 and / or R8 are a free carboxyl group, the suitable reducing agent is lithium aluminum hydride.
In Run 6, the polymer previously made in the CSTR did not contain free carboxyl groups.
Spontaneous decarboxylations occur on free carboxyl ends activated by the existence of a B-carbonyl.
Said acryl resin furthermore preferably contains 0.2 to 6 equivalents of free carboxyl groups.
Modification of the free carboxyl group by amide formation inactivates the enzyme ( Semeriva et al 1972 ).
It has equal amounts of methacrylic acid and ethyl acrylate and about 50 % free carboxyl groups.
Then, the free carboxyl group content is determined essentially in accordance with T.A.P.P. I.
In more detail, PME activity produces free carboxyl groups and free methanol.
The N-terminal residue bears a free amino group, whereas the C-terminal residue bears a free carboxyl group.
Compounds of formula ( II ) advantageously have two free carboxyl groups.
The mature mouse GRF was predicted to be a 42 amino-acid residue peptide with a free carboxyl terminus.
Furthermore, the polymer preferably contains from 0.2 to 6 equivalents of free carboxyl groups.
About 58 weight % of an unmodified vinyl ester resin having no free carboxyl groups ;.
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Such enzymes use a carboxyl group as acceptor
These carboxyl functions are possibly acylated or esterified
