β-cyclodextrin polymer as the immobilization matrix for peroxidase and mediator in the fabrication of a sensor for hydrogen peroxide

被引：38

作者：

Zhu, M ^{[1
]}

Han, SB ^{[1
]}

Yuan, ZB ^{[1
]}

机构：

[1] Univ Sci & Technol China, Grad Sch, Dept Chem, Beijing 100039, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2000年 / 480卷 / 1-2期

关键词：

supramolecular inclusion complex; cationic dye mediator; biosensor; hydrogen peroxide;

D O I：

10.1016/S0022-0728(99)00442-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel immobilization approach based on the supramolecular function between beta-cyclodextrin polymer (beta-CDP) and cationic dyes, and the condensation polymerization among beta-CDP, glutaric dialdehyde and horseradish peroxidase (HRP) in the fabrication of a hydrogen peroxide sensor is described. IR and UV-vis spectroscopy were employed to characterize the structure of the composite membrane modified on the surface of the electrode. AFM was used to visualize the morphology of the composite membrane. The characteristics of supramolecular inclusion compounds between beta-CDP and cationic dyes were studied. The fabricated H2O2 sensor responded rapidly to H2O2 in the linear range from 1.0 to 1.1 mmol 1(-1) with a detection limit of 0.5 mol 1(-1). (C) 2000 Elsevier Science S.A. All rights reserved.

引用

页码：255 / 261

页数：7

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