A fluorescence "turn-on" chemodosimeter for Cu2+ in aqueous solution based on the ion promoted oxidation |
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Authors: | Li Junbo Zeng Yang Hu Qihui Yu Xianglin Guo Jia Pan Zhiquan |
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Affiliation: | Hubei Novel Reactor & Green Chemical Technology Key Laboratory, Wuhan Institute of Technology, Hubei Province, PR China. jbli@mail.wit.edu.cn |
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Abstract: | We developed a novel method for Cu(2+) detection based on the ion promoted oxidation reaction. Chemodosimeter L (weak fluorescence) can be oxidized into 3-benzothiazoly-7-N,N-diethylaminocoumarin (strong green fluorescence, coumarin 6) by Cu(2+) with high selectivity and sensitivity in HEPES (10 mM, pH = 7.4) buffer containing 50% (v/v) water-CH(3)CN solution. |
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