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Issue 30, 2018
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Discrimination of structurally similar odorous molecules with various concentrations by using a nanomechanical sensor

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Abstract

A pattern recognition-based chemical sensor array is an efficient approach to discriminating odours, while the fluctuation in the concentration of odorous molecules often results in concentration-dependent patterns rather than the ones based on chemical properties. Here, we present the discrimination of odorous molecules based on the chemical properties with reduced influence of their concentrations in a wide range from ppm to ppb levels using a nanomechanical sensor. Extraction of effective features, which are less affected by concentrations of odorous molecules, from sensing signals leads to successful discrimination of each chemical species even in a series with similar physical structures.

Graphical abstract: Discrimination of structurally similar odorous molecules with various concentrations by using a nanomechanical sensor

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Supplementary files

Article information


Submitted
30 May 2018
Accepted
25 Jun 2018
First published
25 Jun 2018

Anal. Methods, 2018,10, 3720-3726
Article type
Communication
Author version available

Discrimination of structurally similar odorous molecules with various concentrations by using a nanomechanical sensor

K. Minami, K. Shiba and G. Yoshikawa, Anal. Methods, 2018, 10, 3720
DOI: 10.1039/C8AY01224E

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