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      Optical sensor arrays for chemical sensing: the optoelectronic nose.

      Chemical Society Reviews
      Chemistry Techniques, Analytical, Electronic Nose, Microarray Analysis, Optical Imaging

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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.

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          Author and article information

          Journal
          24091381
          10.1039/c3cs60179j

          Chemistry
          Chemistry Techniques, Analytical,Electronic Nose,Microarray Analysis,Optical Imaging
          Chemistry
          Chemistry Techniques, Analytical, Electronic Nose, Microarray Analysis, Optical Imaging

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