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Sensors 2011, 11(10), 9878-9886; doi:10.3390/s111009878
Article

Development and Evaluation of a Miniaturized Taste Sensor Chip

1,* , 1
, 1
, 2
 and 1
1 Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan 2 Intelligent Sensor Technology, Inc., 5-1-1 Onna, Atsugi-shi, Kanagawa 243-0032, Japan
* Author to whom correspondence should be addressed.
Received: 22 September 2011 / Revised: 17 October 2011 / Accepted: 18 October 2011 / Published: 20 October 2011
(This article belongs to the Special Issue Ultra-Small Sensor Systems and Components)
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Abstract

A miniaturized taste sensor chip was designed for use in a portable-type taste sensing system. The fabricated sensor chip (40 mm × 26 mm × 2.2 mm) has multiple taste-sensing sites consisting of a poly(hydroxyethyl methacrylate) hydrogel with KCl as the electrolyte layer for stability of the membrane potential and artificial lipid membranes as the taste sensing elements. The sensor responses to the standard taste substances showed high accuracy and good reproducibility, which is comparable with the performance of the sensor probe of the commercialized taste sensing system. Thus, the fabricated taste sensor chip could be used as a key element for the realization of a portable-type taste sensing system.
Keywords: taste sensor; sensor chip; artificial lipid membrane; electrolyte layer taste sensor; sensor chip; artificial lipid membrane; electrolyte layer
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Tahara, Y.; Ikeda, A.; Maehara, Y.; Habara, M.; Toko, K. Development and Evaluation of a Miniaturized Taste Sensor Chip. Sensors 2011, 11, 9878-9886.

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