Issue 20, 2013
From the journal:

Analytical Methods

A fluorometric sensing array for the detection of military explosives and IED materials†

Christopher A. Latendresse,a   Syrena C. Fernandes,a   Sangmin You,a   Hui Qi Zhanga  and  William B. Euler*a  

* Corresponding authors

a University of Rhode Island, Department of Chemistry, 51 Lower College Road, Kingston, RI, USA
E-mail: weuler@chm.uri.edu
Fax: +1 401 874 5072
Tel: +1 401 874 5090

Abstract

A fluorometric sensing array was developed to detect and discern common military explosives and materials used in improvised explosive devices (IEDs). Xanthene-based fluorophores were chosen as reporter molecules and were exposed to explosive analytes in DMF solution. Unique responses were observed for each analyte, with the strongest observed responses resulting from trinitrobenzene (TNB) or trinitrotoluene (TNT) addition. Evidence for substantial electron transfer (ET) between TNB and TNT products and fluorophores was observed. Computational results indicate that anionic trinitroaromatic products are likely donating electrons to cationic fluorophores, leading to an observed enhancement of their emission.

Graphical abstract: A fluorometric sensing array for the detection of military explosives and IED materials

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Article information

DOI
https://doi.org/10.1039/C3AY40293B
Article type
Paper
Submitted
21 Feb 2013
Accepted
31 Jul 2013
First published
19 Aug 2013

Anal. Methods, 2013,5, 5457-5463

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A fluorometric sensing array for the detection of military explosives and IED materials

C. A. Latendresse, S. C. Fernandes, S. You, H. Q. Zhang and W. B. Euler, Anal. Methods, 2013, 5, 5457 DOI: 10.1039/C3AY40293B

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