Frontiers of Chemistry in China

A novel intramolecular charge transfer fluorescent chemosensor highly selective for Cu2+ in neutral aqueous solutions

Q Liao, A Li, Z Li, Y Ruan, Y Jiang

Index: Liao, Qingxian; Li, Aifang; Li, Zhao; Ruan, Yibin; Jiang, Yunbao Frontiers of Chemistry in China, 2010 , vol. 5, # 2 p. 178 - 183

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Abstract

Abstract A selective and sensitive intramolecular charge transfer (ICT) fluorescent chemosensor was designed for Cu 2+ in neutral aqueous solutions of pH 7.0. The design of this totally water-soluble fluorescent chemosensor was based on the binding motif of Cu 2+ to aminoacid, which is coupled to an ICT fluorophore bearing a 1, 3, 4-thiodiazole moiety in the electron acceptor. The formation of a 1: 1 complex of Cu 2+ to 2 was suggested to lead ...

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