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An ESIPT fluorescent probe and a nanofiber platform for selective and sensitive detection of a nerve gas mimic

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Abstract

An ESIPT based fluorescent probe, containing a hydroxyphenyl-benzothiazole fluorophore and an oxime reaction site, serves as a selective probe for a nerve gas mimic, diethyl cyanophosphonate (DECP), in solutions and the gas phase. The probe exhibits more than a 60-fold fluorescence enhancement in the presence of the target, has a limit of detection of 1.3 nM and displays high selectivity toward DECP over closely related substances, including sulfur mustard stimulants and other nerve agent mimics. Moreover, composite nanofibers with relatively low concentrations of the probe (0.45% w/w) exhibit distinct color and fluorescence changes upon exposure to DECP vapor.

Graphical abstract: An ESIPT fluorescent probe and a nanofiber platform for selective and sensitive detection of a nerve gas mimic

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Publication details

The article was received on 27 Dec 2017, accepted on 07 Feb 2018 and first published on 07 Feb 2018


Article type: Communication
DOI: 10.1039/C7CC09901K
Citation: Chem. Commun., 2018, Advance Article
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    An ESIPT fluorescent probe and a nanofiber platform for selective and sensitive detection of a nerve gas mimic

    L. Chen, H. Oh, D. Wu, M. H. Kim and J. Yoon, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C7CC09901K

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