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Proceedings Paper

Development of eco-sensor for the continuous monitoring of environmental volatile organic chlorinated compounds
Author(s): Mizuho Murahashi; Yoshio Ishimori; Koichiro Kawano; Takao Kase; Mitsuo Mouri; Yasutaka Morita; Yuji Murakami; Kenji Yokoyama; Eiichi Tamiya
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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 followed by 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 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 the automatic BLMs preparation device. An automatic BLMs preparation was remarkably improved. The sensitivity to volatile organic chlorinated compounds such as cis-1,2-dichloroethylene was in the order of 10ppb using the monoolein BLMs even in real underground water. We also have been developing a smaller sized eco-sensor for the practical use.

Paper Details

Date Published: 22 February 2002
PDF: 8 pages
Proc. SPIE 4576, Advanced Environmental Sensing Technology II, (22 February 2002); doi: 10.1117/12.456966
Show Author Affiliations
Mizuho Murahashi, Japan Advanced Institute of Science and Technology (Japan)
Yoshio Ishimori, Toshiba Corp. (Japan)
Koichiro Kawano, Toshiba Corp. (Japan)
Takao Kase, Shimizu Corp. (Japan)
Mitsuo Mouri, Shimizu Corp. (Japan)
Yasutaka Morita, Japan Advanced Institute of Science and Technology (Japan)
Yuji Murakami, Japan Advanced Institute of Science and Technology (Japan)
Kenji Yokoyama, Japan Advanced Institute of Science and Technology (Japan)
Eiichi Tamiya, Japan Advanced Institute of Science and Technology (Japan)

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

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