AN AMPEROMETRIC GLUCOSE ELECTRODE BASED ON CARBON PASTE, CHEMICALLY MODIFIED WITH GLUCOSE-DEHYDROGENASE, NICOTINAMIDE ADENINE-DINUCLEOTIDE, AND A PHENOXAZINE MEDIATOR, COATED WITH A POLY(ESTER SULFONIC-ACID) CATION EXCHANGER

被引：121

作者：

BREMLE, G ^{[1
]}

PERSSON, B ^{[1
]}

GORTON, L ^{[1
]}

机构：

[1] UNIV LUND,DEPT ANALYT CHEM,POB 124,S-22100 LUND,SWEDEN

来源：

ELECTROANALYSIS | 1991年 / 3卷 / 02期

关键词：

D O I：

10.1002/elan.1140030203

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An amperometric glucose electrode is described based on carbon paste chemically modified with glucose dehydrogenase, nicotinamide adenine dinucleotide, and a mediator, Meldola Blue. The surface of the chemically modified carbon paste electrode (CMCPE) is protected by coverage with a poly(ester sulfonic acid) cation exchanger to form a membrane, which prevents the aqueous soluble species from dissolving out of the CMCPE. The CMCPE was investigated in the flow-injection analysis operation. Linear calibration curves for glucose were obtained between 10-mu-M and 20-mu-M glucose at + 100 mV versus Ag/AgCl. The sample throughput was 40 h-1. The electrodes remained stable for about 2 weeks.

引用

页码：77 / 86

页数：10

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