ENHANCED SELECTIVITY IN FLOW-INJECTION ANALYSIS FOR L-AMINO-ACIDS USING ELECTRODIALYSIS WITH AMINO-ACID OXIDATION

被引：13

作者：

COOPER, JC ^{[1
]}

DANZER, J ^{[1
]}

SCHMIDT, HL ^{[1
]}

机构：

[1] TECH UNIV MUNICH,LEHRSTUHL ALLGEMEINE CHEM & BIOCHEM,D-85354 FREISING,GERMANY

来源：

ANALYTICA CHIMICA ACTA | 1993年 / 282卷 / 02期

关键词：

FLOW INJECTION; AMINO ACIDS; ELECTRODIALYSIS;

D O I：

10.1016/0003-2670(93)80223-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method has been developed for continuous determination of the concentration of one amino acid in a mixture, using electrodialysis combined with a flow-injection system. Using a non-specific L-amino acid oxidase column and electrochemical detection of enzymatically produced hydrogen peroxide, the concentration of a particular amino acid in a mixture could be determined by first performing a separation step using an electrodialysis unit. Using the separation of arginine as a model system, it was possible to determine the concentration of this amino acid in the presence of two or three of a group of nine amino acids.

引用

页码：369 / 378

页数：10

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