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Proceedings Paper

Development of ecosensor for the continuous monitoring of environmental volatile organic chlorinated compounds
Author(s): Yoshio Ishimori; Koichiro Kawano; Tsutomu Shinozaki; Mitsuo Mouri; Takao Kase; Eiichi Tamiya; Masaru Ishizuka
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Paper Abstract

In recent years, we have developed an advanced environmental monitoring system (AEMS) containing the eco-sensor, which means a sensor for the measurement of environmental pollutants, based on lipid membranes for continuous monitoring of underground water in industry areas such as semiconductor factories. The AEMS project is composed of three work packages as follows, 1) Eco-sensor, 2) Prediction of plume propagation using a computer simulation technique, and 3) Environmental protection method. In this presentation, we would like to focus on the study of the eco-sensor. The reason why lipid membranes were selected as a sensing element for environmental pollutants is that the pollutants should be interacted with cell membranes because cells are surrounded by cell membranes containing lipid components. Improving the applicability and the responsibility of bilayer lipid membranes (BLMs) in the eco-sensor, we have investigated automatic BLMs preparation devices. An automatic BLMs preparation device was made by use of an inkjet mechanism. The reproducibility of the BLMs preparation was remarkably improved. The sensitivity to volatile organic chlorinated compounds such as cis-1,2-dichloroethylene was in the order of 10 ppb using monoolein BLMs even in real underground water. We have been also developing a smaller sized eco-sensor for the practical use.

Paper Details

Date Published: 22 February 2002
PDF: 9 pages
Proc. SPIE 4576, Advanced Environmental Sensing Technology II, (22 February 2002); doi: 10.1117/12.456968
Show Author Affiliations
Yoshio Ishimori, Toshiba Corp. (Japan)
Koichiro Kawano, Toshiba Corp. (Japan)
Tsutomu Shinozaki, Toshiba Corp. (Japan)
Mitsuo Mouri, Shimizu Corp. (Japan)
Takao Kase, Shimizu Corp. (Japan)
Eiichi Tamiya, Japan Advanced Institute of Science and Technology (Japan)
Masaru Ishizuka, Toyama Prefectural Univ. (Japan)


Published in SPIE Proceedings Vol. 4576:
Advanced Environmental Sensing Technology II
Tuan Vo-Dinh; Stephanus Buettgenbach, Editor(s)

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