IEEJ Transactions on Sensors and Micromachines
Online ISSN : 1347-5525
Print ISSN : 1341-8939
ISSN-L : 1341-8939
Special Issue Paper
Fabrication of Odor Sensor Using Peptide
Yuta HotokebuchiKenshi HayashiKiyoshi TokoRonggang ChenHidekazu Ikezaki
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2010 Volume 130 Issue 7 Pages 282-287

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Abstract

We report fabrication of an odor sensor using peptides. Peptides were designed to acquire the specific reception for a target odor molecule. Au surface of the sensor electrode was coated by the designed peptide using the method of self assembled monolayers (SAMs). Functionalized Au surfaces by the peptides were confirmed by ellipsometry and cyclic voltammetry. The odorants of vanillin, phenethyl alcohol and hexanol were discriminated by QCM sensor with the peptide surface. Moreover, we verified specific interaction between amino acid (Trp) and vanillin by fluorescence assay.

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© 2010 by the Institute of Electrical Engineers of Japan
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