Sorption of peptides and amino acids by ion exchangers
https://doi.org/10.29235/1561-8331-2021-57-3-278-285
Abstract
Sorbtion of dipeptides leucylisoleucine, threonylthreonine and their monomeric amino acids leucine and threonine by anionite AV-17 and cationite KU-2-8 in a wide range of equilibrium concentrations has been studied. It was shown that the presence of hydrophilic OH-groups in the threonine molecule promotes superequivalent sorbtion of threonine on the cation exchanger. The presence of an OH-groups in the side chein of the dipeptide practically does not affect the sorbtion an KU-2-8. Sorbtion of dipeptides on AV-17-8 is higher in comparison with their monomeric amino acids.
About the Authors
Z. I. Kuvaeva
Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Zoya I. Kuvaeva – D. Sc. (Chemistry), Professor. Head of the Department
13, Surganov Str., 220072, Minsk
E. G. Karankevich
Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus
Belarus
Belarus
Elena G. Karankevich – Ph. D. (Chemistry), Head of the Laboratory
13, Surganov Str., 220072, Minsk
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