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Chem Commun (Camb). 2008 Mar 7;(9):1094-6. doi: 10.1039/b717764j. Epub 2008 Jan 29.

An imidazole-functionalized polyacetylene: convenient synthesis and selective chemosensor for metal ions and cyanide.

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  • 1Department of Chemistry, Hubei Key Laboratory on Organic and Polymeric Optoelectronic Materials, Wuhan University, Wuhan, 430072, China.


A new light-emitting polyacetylene bearing imidazole moieties in the side chain (), was conveniently prepared through a postfunctionalization strategy, as a sensory polymer to selectively report the presence of Cu2+ (with a detection limit of 1.48 ppm) based on the fluorescence "turn-off". Interestingly, the quenched luminescence of by Cu2+ could be turned on after the addition of CN-, making a novel, sensitive, and selective cyanide probe.

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