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Issue 21, 2014
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A naphthalimide-based bifunctional fluorescent probe for the differential detection of Hg2+ and Cu2+ in aqueous solution

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Abstract

A novel fluorescent probe NPM based on naphthalimide was designed and synthesized. Interestingly, NPM exhibited highly selective fluorescence turn-on for Hg2+ and turn-off for Cu2+ in aqueous solution (10 mM HEPES, pH 7.5). Its fluorescence intensity enhanced in a linear fashion with the concentration of Hg2+ and decreased in a nearly linear fashion with the concentration of Cu2+. Thus NPM could be potentially used for the quantification of Hg2+ and Cu2+ in aqueous solution. A series of model compounds were rationally designed and synthesized in order to explore the sensing mechanisms and binding modes of NPM with Hg2+ and Cu2+.

Graphical abstract: A naphthalimide-based bifunctional fluorescent probe for the differential detection of Hg2+ and Cu2+ in aqueous solution

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Publication details

The article was received on 03 Jan 2014, accepted on 18 Mar 2014 and first published on 18 Mar 2014


Article type: Paper
DOI: 10.1039/C4DT00014E
Citation: Dalton Trans., 2014,43, 8102-8108
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    A naphthalimide-based bifunctional fluorescent probe for the differential detection of Hg2+ and Cu2+ in aqueous solution

    C. Huang, H. Li, Y. Luo and L. Xu, Dalton Trans., 2014, 43, 8102
    DOI: 10.1039/C4DT00014E

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