Combined physico-chemical and biological sensing in environmental monitoring

被引：15
作者：
Bhatia, R [1 ]
Dilleen, JW [1 ]
Atkinson, AL [1 ]
Rawson, DM [1 ]
机构：
[1] Univ Luton, Luton Inst Res Appl & Nat Sci, Luton LU1 5DU, Beds, England
来源：
BIOSENSORS & BIOELECTRONICS | 2003年 / 18卷 / 5-6期
关键词：
microbial; biosensor; Escherichia coli; toxicity; whole effluent testing; physico-chemical; conductivity; osmolarity; 3,5-dichlorophenol; mercuric chloride;
D O I：
10.1016/S0956-5663(03)00012-5
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
Single-use conductivity and microbial sensors were used to investigate the effect of both species (chloride, nitrate, and sulphate) and concentration/osmolarity of anions on the metabolic activity of Escherichia coli. A new disposable, single-use conductivity sensor is described which is compatible with the CellSense(TM) mediated amperometric biosensor system. The effect of changing salinity and nitrate concentration on the response of E coli to 3,5-dichlorophenol and mercuric chloride was determined. The implications for toxicity assessment of a hybrid sensing system, allowing the simultaneous monitoring of physico-chemical and biological data, are discussed. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：667 / 674
页数：8
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