A colorimetric and fluorescent chemodosimeter responding to Cu2+ with high selectivity and sensitivity

A colorimetric and fluorescent chemodosimeter responding to Cu2+ with high selectivity and... 4-(dicyanomethylene)-2-methyl-6-[p-(dimethylamino)-styryl]-4H-pyran (DCMS) as a colorimetric fluorescent chemodosimeter for Cu2+ was synthesized. DCMS can selectively recognize Cu2+ without disturbance by other metal ions in acetonitrile. Furthermore, the DCMS solution showed a distinguishable color change visible to the naked eye after addition of Cu2+. DCMS for Cu2+ sensing in acetonitrile had a remarkably low detection limit of 0.2 μM, which is 1 % of the toxicity level in drinking water defined by the US Environment Protection Agency (USEPA). Interestingly, the results suggest that the Cu2+ sensing mechanism may be involved in a redox reaction between Cu2+ and DCMS. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

A colorimetric and fluorescent chemodosimeter responding to Cu2+ with high selectivity and sensitivity

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Springer Netherlands
Copyright © 2015 by Springer Science+Business Media Dordrecht
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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