A NEW ENZYME-INHIBITION SENSOR FOR ORGANOPHOSPHORUS PESTICIDES ANALYSIS

被引：40
作者：
CAMPANELLA, L
COCCO, R
SAMMARTINO, MP
TOMASSETTI, M
机构：
[1] Dipartimento di Chimica, Universita 'La Sapienza', 00185 Rome, Piazza A. Moro
来源：
SCIENCE OF THE TOTAL ENVIRONMENT | 1992年 / 123卷
关键词：
BIOSENSOR; PESTICIDES; ANALYSIS;
D O I：
10.1016/0048-9697(92)90127-E
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A new enzyme sensor to determine organophosphorus pesticides is described. It is based on the inhibiting properties of the pesticides to the enzyme butyrylcholinesterase and it is constituted by a hydrogen peroxide amperometric electrode modified by a superimposed nylon membrane containing, chemically immobilised two biological mediators (butyrylcholinesterase and choline oxidase). Some applications to authentic matrices, of environmental or of agricultural interest, are also reported and evaluated.
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页码：1 / 16
页数：16
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