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A curcumin derived probe for colorimetric detection of azide ion in water

Abstract

A curcumin based probe(CUC-P) having active alkyne moiety has been synthesised for selective detection of azide (N3-) ion in aqueous medium. In presence or absence of Cu(I)/ Cu(II) ion, CUC-P visibly changes its colour and fluorescence profile upon addition of N3- ion allowing facile discrimination from other common ions. The detection limit for N3- ion, measured by UV-Vis. spectroscopic method is 10 µM and 1 µM by fluorescence method. Moreover, Cu(II) complex of CUC-P undergoes change of colour and emission profile in presence of N3- ion more rapidly allowing both CUC-P and its Cu(II) complex as excellent,highly selective colorimetric probe for N3- ion. The recognition of N3- ion may be documented on paper strip in solution state and even simply by mechanical grinding in solid state.

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Publication details

The article was received on 29 Aug 2017, accepted on 07 Nov 2017 and first published on 07 Nov 2017


Article type: Paper
DOI: 10.1039/C7NJ03266H
Citation: New J. Chem., 2017, Accepted Manuscript
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    A curcumin derived probe for colorimetric detection of azide ion in water

    S. Adhikari, S. Guria, A. Ghosh, A. Pal and D. Das, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ03266H

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