离子交换剂对肽和氨基酸的吸附

Q4 Chemistry

Proceedings of the National Academy of Sciences of Belarus, Chemical Series Pub Date : 2021-09-05 DOI:10.29235/1561-8331-2021-57-3-278-285

Z. Kuvaeva, E. G. Karankevich

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引用次数: 1

摘要

研究了阴离子离子AV-17和阳离子离子KU-2-8对二肽亮氨酸异亮氨酸、苏氨酸及其单体氨基酸亮氨酸和苏氨酸的吸附作用。结果表明，苏氨酸分子中亲水性oh基团的存在促进了苏氨酸在阳离子交换剂上的超等效吸附。二肽侧链上oh基团的存在实际上不影响KU-2-8的吸附。二肽在AV-17-8上的吸附比它们的单体氨基酸要高。

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Sorption of peptides and amino acids by ion exchangers

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.

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来源期刊

Proceedings of the National Academy of Sciences of Belarus, Chemical Series Chemistry-Chemistry (miscellaneous)

CiteScore

0.30

自引率

0.00%

发文量