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Sensors 2014, 14(9), 16586-16616; doi:10.3390/s140916586

Towards an Electronic Dog Nose: Surface Plasmon Resonance Immunosensor for Security and Safety

1
Research and Development Center for Taste and Odor Sensing, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
2
Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
*
Author to whom correspondence should be addressed.
Received: 15 May 2014 / Revised: 31 July 2014 / Accepted: 29 August 2014 / Published: 5 September 2014
(This article belongs to the Special Issue Chemo- and Biosensors for Security and Defense)
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Abstract

This review describes an “electronic dog nose” based on a surface plasmon resonance (SPR) sensor and an antigen–antibody interaction for security and safety. We have concentrated on developing appropriate sensor surfaces for the SPR sensor for practical use. The review covers different surface fabrications, which all include variations of a self-assembled monolayer containing oligo(ethylene glycol), dendrimer, and hydrophilic polymer. We have carried out detection of explosives using the sensor surfaces. For the SPR sensor to detect explosives, the vapor or particles of the target substances have to be dissolved in a liquid. Therefore, we also review the development of sampling processes for explosives, and a protocol for the measurement of explosives on the SPR sensor in the field. Additionally, sensing elements, which have the potential to be applied for the electronic dog nose, are described. View Full-Text
Keywords: electronic dog nose; surface plasmon resonance; immunosensor; antibody; explosives; security and safety electronic dog nose; surface plasmon resonance; immunosensor; antibody; explosives; security and safety
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Onodera, T.; Toko, K. Towards an Electronic Dog Nose: Surface Plasmon Resonance Immunosensor for Security and Safety. Sensors 2014, 14, 16586-16616.

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