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Issue 10, 2017
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A simple but effective fluorescent probe for the detection of bisulfite

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Abstract

A new fluorescence probe (PML) for sensing HSO3 was developed based on a Michael addition reaction mechanism. The probe was composed of carbazole and 2-(3-cyano-4,5,5-trimethylfuran-2(5H)-ylidene)malononitrile moieties and can be easily synthesized. The carbazole-based probe can selectively detect HSO3 and shows good sensitivity with the limit of detection of 2.08 × 10−6 M in a PBS : DMF = 1 : 1 buffer solution. Upon addition of HSO3, the intense fluorescence of the probe was quenched, and the color markedly changed from red to colorless. In addition, the probe can be used to detect HSO3 in dry white wine.

Graphical abstract: A simple but effective fluorescent probe for the detection of bisulfite

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Publication details

The article was received on 04 Jan 2017, accepted on 10 Apr 2017 and first published on 12 Apr 2017


Article type: Paper
DOI: 10.1039/C7NJ00041C
Citation: New J. Chem., 2017,41, 3986-3990
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    A simple but effective fluorescent probe for the detection of bisulfite

    J. Luo, G. Song, X. Xing, S. Shen, Y. Ge and X. Cao, New J. Chem., 2017, 41, 3986
    DOI: 10.1039/C7NJ00041C

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