A highly selective and sensitive fluorescent chemosensor for Hg2+ in neutral buffer aqueous solution.
Xiangfeng Guo, Xuhong Qian, Lihua Jia
文献索引：J. Am. Chem. Soc. 126(8) , 2272-3, (2004)
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摘要
A selective and sensitive fluorescent chemosensor for Hg2+, which was composed of two aminonaphthalimide fluorophores and a receptor of 2,6-bis(aminomethyl)pyridine, was synthesized through the reaction of 2,6-bis(chloromethyl)pyridine and N-[2-(2-hydroxyethoxy)ethyl]-4-piperazino-1,8-naphthalimide. The chemosensor showed an about 17-fold increase in fluorescence quantum yield upon addition of 1 equiv of Hg2+ in neutral buffer aqueous solution, and the other common metal ions did not notably disturb the detection of Hg2+.
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