epimer

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Related to Epimerization: racemization, Mutarotation

ep·i·mer

 (ĕp′ə-mər)
n.
One of two molecules that differ in the spatial arrangement of atoms or groups surrounding only one of two or more chiral atoms in the structure.

[epi- + -mer, isomer.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

epimer

(ɪˈpɪməˌrɪzəm) chem
n
(Chemistry) either of two optical isomers differing from each other only in the configuration of the atoms about one asymmetric carbon atom
n
(Chemistry) either of two isomers differentiated by the position of the atoms around a single asymmetric carbon atom
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
Epimerization or stereoisomer conversion is another important process that may alter the results of analyses at stereoisomeric levels.
CarboMAX improves standard carbodiimide chemistry by providing faster activation, less epimerization, and increased stabilization of acid-sensitive linkages (ex.
However, we cannot discard the possibility that epimerization also occurs at the free inositol level, but with the subsequent rapid incorporation of DCIns into phospholipids, as observed both in vitro and in vivo [68, 69].
Bio synthesis of Sia begins with the epimerization and subsequent phosphorylation of UDP-GlcNAc (Uridine Di Phosphate-N-Acetylglucosamine) to ManNAc-6-P (N-acetylmannosamine-six-phosphate), in cytosol.
Skjak-Broek, "Biochemical analysis of the processive mechanism for epimerization of alginate by mannuronan C-5 epimerase AlgE4," The Biochemical Journal, vol.
Lactulose, a molecule not present in raw milk, is formed by epimerization of lactose due to heat treatment.
Epimerization at C-4, leading to glucose, and introducing a Cl-atom at C-4 also abolished binding.
Such transformations are known to occur in a wide variety of shellfish species and include a variety of mechanisms including epimerization, hydrolytic cleavage of A'-sulfo groups, reductive transformation, and enzymatic decarboxylation (Sakamoto et al.
The actual number is even higher because of additional biochemical processes such as epimerization and lactonization (11).