SYNTHESIS OF CHITOSAN AMINO-ACID CONJUGATES AND THEIR USE IN HEAVY-METAL UPTAKE

被引：52

作者：

ISHII, H

MINEGISHI, M

LAVITPICHAYAWONG, B

MITANI, T

机构：

[1] Department of Chemical Science and Engineering, Tokyo National College of Technology 1220 Kunugida, Tokyo, 193, Hachiouji

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 1995年 / 17卷 / 01期

关键词：

CHITOSAN; AMINO ACID; HEAVY METAL UPTAKE;

D O I：

10.1016/0141-8130(95)93513-W

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Chitosan-amino acid conjugates were prepared by coupling amino acid esters to the carboxyl group of glyoxylic acid-substituted chitosan. The removal of heavy metals (Cu, Ni, Co and Mn) was increased by introduction of amino acids to chitosan, especially for Mn. Heavy metals were almost completely removed by chitosan-amino acid conjugates from solutions at an initial concentration of 100 parts per million.

引用

页码：21 / 23

页数：3

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