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Issue 22, 2013
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Optical sensor arrays for chemical sensing: the optoelectronic nose

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Abstract

A comprehensive review is presented on the development and state of the art of colorimetric and fluorometric sensor arrays. Optical arrays based on chemoresponsive colorants (dyes and nanoporous pigments) probe the chemical reactivity of analytes, rather than their physical properties. This provides a high dimensionality to chemical sensing that permits high sensitivity (often down to ppb levels), impressive discrimination among very similar analytes and exquisite fingerprinting of extremely similar mixtures over a wide range of analyte types, both in the gas and liquid phases.

Graphical abstract: Optical sensor arrays for chemical sensing: the optoelectronic nose

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Article information


Submitted
03 Jun 2013
First published
04 Oct 2013

Chem. Soc. Rev., 2013,42, 8649-8682
Article type
Review Article

Optical sensor arrays for chemical sensing: the optoelectronic nose

J. R. Askim, M. Mahmoudi and K. S. Suslick, Chem. Soc. Rev., 2013, 42, 8649 DOI: 10.1039/C3CS60179J

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