Discrimination of Nitroaromatics and Explosives Mimics by a Fluorescent Zn(salicylaldimine) Sensor Array
Top Cited Papers
- 1 April 2008
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 130 (16), 5422-5423
- https://doi.org/10.1021/ja800403k
Abstract
Detecting and identifying components of plastic explosive devices is a challenge to current optical sensing methods. We report a fluorescent Zn(salicylaldimine) sensor array that accurately discriminated nitroaromatics, which are mimics of plastic explosives. Nitroaromatics quench the fluorescence of Zn(salicylaldimine), with differential quenching for the various fluorophore/quencher partners. The response pattern of the Zn(salicylaldimine) array created unique fingerprints for each of the nine nitroaromatic analytes tested, including unique responses for dinitrotoluene and dinitrobenzene. Linear discriminant analysis showed that the discrimination is largely due to a combination of two physical properties of the nitroaromatics: redox potential and log P. The array was able to discriminate unknown nitroaromatic samples in solution.Keywords
This publication has 16 references indexed in Scilit:
- Fluorescent Detection of Nitroaromatics and 2,3-Dimethyl- 2,3-dinitrobutane (DMNB) by a Zinc Complex: (salophen)ZnInorganic Chemistry, 2007
- Polymer sensors for nitroaromatic explosives detectionJournal of Materials Chemistry, 2006
- Differential receptor arrays and assays for solution-based molecular recognitionChemical Society Reviews, 2005
- Amplifying fluorescent polymer sensors for the explosives taggant 2,3-dimethyl-2,3-dinitrobutane (DMNB)Chemical Communications, 2005
- Pattern-Based Detection of Different Proteins Using an Array of Fluorescent Protein Surface ReceptorsJournal of the American Chemical Society, 2004
- Detection of Nitroaromatic Explosives Based on Photoluminescent Polymers Containing MetallolesJournal of the American Chemical Society, 2003
- A colorimetric sensor array for odour visualizationNature, 2000
- Cross-Reactive Chemical Sensor ArraysChemical Reviews, 2000
- Fluorescent Porous Polymer Films as TNT Chemosensors: Electronic and Structural EffectsJournal of the American Chemical Society, 1998
- A sense for landminesNature, 1998