期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 132, 期 2, 页码 471-476出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2007.10.061
关键词
chemical sensor; viscosity sensor; temperature-sensitive hydrogel; swelling behaviour
We propose a new type of on-line analytics system for biomedical and environmental monitoring. In order to provide the specific analyte detection, a chemical sensor with a functionalised hydrogel coating has been integrated together with a viscosity sensor in a miniaturized biocompatible rheochemical microsystem. The sensor has been calibrated and tested in aqueous solutions of alcohol and salts of different concentration. The selective sensitivity of the polyelectrolyte block-copolymer coating to toxic transition-metal ions has been demonstrated. (c) 2007 Elsevier B.V. All rights reserved.
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