THE TRANSPORT OF AMINO-ACIDS BY 18-CROWN-6 THROUGH LIQUID MEMBRANES

被引：22

作者：

MUTIHAC, L

MUTIHAC, R

CONSTANTINESCU, T

LUCA, C

机构：

[1] UNIV BUCHAREST,FAC PHYS,POB MG-11,R-76900 BUCHAREST,ROMANIA

[2] UNIV BUCHAREST,FAC CHEM,ANALYT CHEM LAB,BUCHAREST,ROMANIA

[3] ROUMANIAN ACAD,INST PHYS CHEM,R-77208 BUCHAREST,ROMANIA

[4] INST POLYTECH GH GHEORGHIU DEJ,DEPT ANALYT CHEM,BUCHAREST,ROMANIA

来源：

JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY | 1994年 / 17卷 / 01期

关键词：

AMINO ACID; LIQUID MEMBRANE; 18-CROWN-6; ACTIVE TRANSPORT;

D O I：

10.1007/BF00707999

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The possibility of separating in cationic form some alpha-amino acids (L-Methionine, L-Leucine, L-Isoleucine, L-Valine, L-Phenylalanine, L-alpha-Alanine and L-Cysteine) from mixtures in the presence of picrate anion has been investigated by means of active transport assisted by a pH gradient through liquid membranes. 18-Crown-6 in 1,2 dichloroethane has been used as a selective carrier. The effect of stirring rates at different volumes of the membrane, suggests a diffusional rate-limiting process of the amino acid transport.

引用

收藏

页码：45 / 51

页数：7

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