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
收藏
页码：235 / 241
页数：7
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