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Proceedings Paper

Optical taste substance sensing using an optrode-type POF multi-channel sensor
Author(s): Masayuki Morisawa; Masahisa Kawai; Shinzo Muto
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Paper Abstract

In order to develop a simple system for sensing taste substances, an optical method using polymer/lipid films doped with a voltage-sensitive dye and plastic optical fibers (POFs) has been studied experimentally. The several kinds of polymer/lipid blended membranes doped with rhodamine-B dye with a long hydrocarbon chain were used after transferring on to the glass substrate glued on the end surface of POF. Its fluorescence intensity around 600 nm showed different patterns for the taste substance solutions such as bitter, salty and "umami". These results and a principal component analysis gave the possibility of an optical fiber taste substance sensor.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623610
Show Author Affiliations
Masayuki Morisawa, Univ. of Yamanashi (Japan)
Masahisa Kawai, Univ. of Yamanashi (Japan)
Shinzo Muto, Univ. of Yamanashi (Japan)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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