DETERMINATION OF PHENOL AND CHLORINATED PHENOLIC-COMPOUNDS BASED ON A PPO-BIOELECTRODE AND ITS INHIBITION

被引：46

作者：

BESOMBES, JL ^{[1
]}

COSNIER, S ^{[1
]}

LABBE, P ^{[1
]}

REVERDY, G ^{[1
]}

机构：

[1] UNIV GRENOBLE 1,ELECTROCHIM ORGAN & PHOTOCHIM REDOX LAB,CNRS,URA 1210,F-38041 GRENOBLE 09,FRANCE

来源：

ANALYTICAL LETTERS | 1995年 / 28卷 / 03期

关键词：

BIOSENSOR; POLYPHENOL OXIDASE; PHENOL; CHLORINATED PHENOLS; AMPEROMETRIC DETECTION; INHIBITION PROCESS;

D O I：

10.1080/00032719508001106

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A polyphenol oxidase (PPO) enzyme electrode constructed by the electropolymerization of a pyrrole amphiphilic monomer-PPO mixture, previously adsorbed on a glassy carbon electrode, is applied for the direct amperometric response of phenol, 3-chlorophenol and 4-chlorophenol. Furthermore, the detection of 2-chlorophenol, several polychlorophenols and pentachlorophenol is carried out by an inhibition process of the bioelectrode functioning. The mechanism of the bioelectrode inhibition is investigated in terms of enzymatic inhibition and polymer fouling. The capacities of this system for the resolution of mixtures of phenolic pollutants are also explored on the basis of the kinetic behavior of the bioelectrode response.

引用

页码：405 / 424

页数：20

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