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Issue 28, 2006
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Polymer sensors for nitroaromatic explosives detection

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Several polymers have been used to detect nitroaromatic explosives by a variety of transduction schemes. Detection relies on both electronic and structural interactions between the sensing material and the analyte. Quenching of luminescent polymers by electron deficient nitroaromatic explosives, such as trinitrotoluene, may be monitored to detect explosives. Resistive sensing using carbon black particles that have been coated with different organic polymers and deposited across metallic leads can also be used to detect nitroaromatic vapors in an electronic nose approach. Frequency changes in surface acoustic wave devices may be monitored to detect nitroaromatics after their adsorption into polymer coatings. Luminescent polymetalloles have recently been investigated for sensing explosives in aqueous-based solutions and for improved visual detection of trace particulates on surfaces.

Graphical abstract: Polymer sensors for nitroaromatic explosives detection

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Publication details

The article was received on 19 Dec 2005, accepted on 06 Apr 2006 and first published on 27 Apr 2006

Article type: Feature Article
DOI: 10.1039/B517953J
Citation: J. Mater. Chem., 2006,16, 2871-2883
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    Polymer sensors for nitroaromatic explosives detection

    S. J. Toal and W. C. Trogler, J. Mater. Chem., 2006, 16, 2871
    DOI: 10.1039/B517953J

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