FIBEROPTIC GLUCOSE SENSOR WITH ELECTROCHEMICAL GENERATION OF INDICATOR REAGENT

被引：16

作者：

GUNASINGHAM, H

TAN, CH

SEOW, JKL

机构：

[1] Department of Chemistry, National University of Singapore, Kent Ridge

来源：

ANALYTICAL CHEMISTRY | 1990年 / 62卷 / 07期

关键词：

D O I：

10.1021/ac00206a022

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An electrochemlcally generated tetrathlafulvalene redox mediator provides a convenient and reversible indicator reagent for a glucose fiber-optic sensor. The fabrication and characterization of this sensor based on a thin-layer cell configuration are described. The performance of the fiber-optic sensor is compared with that of an amperometric enzyme electrode In flow-injection and steady-state analyses. The upper limit of the linear range In the flow-Injection mode is about 12 mM, whereas in the steady-state mode It Is about 3 mM. The sensor Is less prone to Interfering species and dissolved oxygen. It can be used continuously for 2 days without significant loss of activity. © 1990, American Chemical Society. All rights reserved.

引用

页码：755 / 759

页数：5

共 12 条

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