Potentiometric biosensor for urea based on electropolymerized electroinactive polypyrrole

被引：79

作者：

Komaba, S

Seyama, M

Momma, T

Osaka, T

机构：

[1] Waseda Univ, Tokyo, Japan

来源：

ELECTROCHIMICA ACTA | 1997年 / 42卷 / 03期

关键词：

electropolymerization; polypyrrole; biosensor; urea;

D O I：

10.1016/S0013-4686(96)00226-5

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A urea biosensor was developed by immobilizing urease into an electropolymerized electroinactive polypyrrole (PPy) on a platinum electrode. This enzyme-immobilized PPy electrode showed a stable potential response to urea based on the pH response of the electroinactive PPy film electrode. The electropolymerization conditions were optimized, and thus the biosensor showed a Nernstian response with a slope of 31.8 mV decade(-1) over concentration range of 1 x 10(-4)-0.3 mol dm(-3) urea. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：383 / 388

页数：6

共 21 条

[1] POLYPYRROLE-BASED POTENTIOMETRIC BIOSENSOR FOR UREA .2. ANALYTICAL OPTIMIZATION [J].