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

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Abstract

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

Graphical abstract: A curcumin derived probe for colorimetric detection of azide ions in water

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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, Advance Article
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    A curcumin derived probe for colorimetric detection of azide ions in water

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

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