NDLI: Detection of nitroaromatic explosives by new D–π–A sensing fluorophores on the basis of the pyrimidine scaffold

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Detection of nitroaromatic explosives by new D–π–A sensing fluorophores on the basis of the pyrimidine scaffold

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Detection of nitroaromatic explosives by new D–π–A sensing fluorophores on the basis of the pyrimidine scaffold

Content Provider	Springer Nature Link
Author	Verbitskiy, Egor V. Barava, Anna A. Lugovik, Kseniya I. Shafikov, Marsel Z. Khokhlov, Konstantin O. Cheprakova, Ekaterina M. Rusiv, Gennady L. Chupakhin, Oleg N. Charushin, Valery N.
Copyright Year	2016
Abstract	A series of D–π–A- type dyes based on pyrimidines, bearing various thiophene linkers, have been studied as sensing fluorophores. Fluorescence studies have demonstrated that the emission of all derivatives is sensitive to the presence of nitroaromatic explosives, such as 2,4,6-trinitrophenol (PA), 2,4,6-trinitrotoluene (TNT), and 2,4-dinitrotoluene (DNT), in their acetonitrile solutions. The detection limits of fluorophores to PA, TNT, and DNT proved to be in the range from 5.83 × 10−6 to 2.38 × 10−7 mol/L, 1.70 × 10−4 to 8.40 × 10−6 mol/L, and 8.39 × 10−5 to 6.87 × 10−6 mol/L, respectively. The theoretical investigation into the quenching mechanism in the presence of fluorophore has been performed. All compounds have shown a good efficiency as sensor materials when tested as elements of the original device «Nitroscan» for detecting nitro-containing explosives in vapor phase (Plant "Promautomatika", Ekaterinburg, Russia). Graphical Abstract ᅟ
Starting Page	4093
Ending Page	4101
Page Count	9
File Format	PDF
ISSN	16182642
Journal	Analytical and Bioanalytical Chemistry
Volume Number	408
Issue Number	15
e-ISSN	16182650
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-03-28
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pyrimidines Oligothiophene Nitroaromatic explosives Fluorescence quenching Analytical Chemistry Biochemistry Laboratory Medicine Characterization and Evaluation of Materials Food Science Environmental Monitoring/Analysis
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Biochemistry

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