Issue 11, 2013

A selective and sensitive chromogenic and fluorogenic detection of a sulfur mustard simulant

Abstract

A simple and highly selective chromogenic and fluorogenic detection of sulfur mustard (SM) simulants is reported. Dithiol 1, in the presence and absence of a mustard simulant behaves differently toward a squaraine dye (SQ), and thus provides a visual and spectroscopic signal for mustard gas. The sensor responds to the SM simulant, but not to the O-analog of mustard stimulant or nerve agent mimics and other electrophilic agents. The visual and fluorescent detection with less than 50 μM of SM simulant shows good sensitivity. The utility of the sensor was demonstrated by analysis of SM simulant on surfaces, in soil, and in the gas phase.

Graphical abstract: A selective and sensitive chromogenic and fluorogenic detection of a sulfur mustard simulant

Supplementary files

Article information

Article type
Edge Article
Submitted
12 Aug 2013
Accepted
30 Aug 2013
First published
02 Sep 2013

Chem. Sci., 2013,4, 4292-4297

A selective and sensitive chromogenic and fluorogenic detection of a sulfur mustard simulant

V. Kumar and E. V. Anslyn, Chem. Sci., 2013, 4, 4292 DOI: 10.1039/C3SC52259H

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