Fluorogenic and chromogenic detection of Cu2+ and Fe3+ species in aqueous media by rhodamine-triazole conjugate

被引：63

作者：

Rathinam, Balamurugan ^{[1
]}

Chien, Chih-Chieh ^{[1
]}

Chen, Bo-Cheng ^{[1
]}

Liu, Jui-Hsiang ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Chem Engn, Tainan 70101, Taiwan

来源：

TETRAHEDRON | 2013年 / 69卷 / 01期

关键词：

Fluorescent chemosensor; Click chemistry; Rhodamine conjugate; Quantum yield; Binding properties; SELECTIVE FLUORESCENT CHEMOSENSOR; ANION RECEPTORS; OFF-ON; CHEMODOSIMETER; SENSOR; CU(II); PROBE; HG2+; RECOGNITION; SPIROLACTAM;

D O I：

10.1016/j.tet.2012.10.040

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The simple yet efficient method for the detection of Cu2+ and Fe3+ by respective coordination of triazole triazole and triazole carbonate in aqueous media was achieved using the BisTriazole-Rhodamine B (BTRB) chemosensor. The addition of Cu2+ enhances the fluorescence intensity to 20 fold (Phi(f)=0.31) while Fe3+ enhances 14 fold (Phi(f)=0.12) in comparison with BTRB. Competitive experiments with BTRB-Cu2+ revealed that addition of Fe3+ displaces Cu2+ causes obvious fluorescence enhancement (2.8 fold). Application of BTRB probe was exploited by conducting a copper catalyzed model reaction from which total copper content in the catalytic product as an impurity was determined as 356 ppm. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：235 / 241

页数：7

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