A selective colorimetric sensor for Cu2+ in aqueous solution

被引：12
|
作者：
Liu, Yen-Wen [1 ]
Chir, Jiun-Ly [1 ]
Wang, Shan-Teng [1 ]
Wu, An-Tai [1 ]
机构：
[1] Natl Changhua Univ Educ, Dept Chem, Changhua 50058, Taiwan
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2014年 / 45卷
关键词：
Schiff-base; Colorimetric; Chemosensor; Pyridine; Naked-eye; ON FLUORESCENT SENSOR; HIGHLY EFFICIENT; COPPER IONS; CHEMOSENSOR; CU(II); RHODAMINE; SUBUNITS; SCHIFF; ETHER;
D O I：
10.1016/j.inoche.2014.04.017
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We synthesized a novel Schiff-based receptor 1, and investigated its binding properties toward various metal ions. Receptor 1 showed a dramatic color change from colorless to red which could easily be detected by the naked-eye upon binding with Cu2+. The association constant for 1 center dot Cu2+ in DMSO/H2O (v/v, 1:9) was calculated to be 1.98 x 10(8) M-1. With the addition of Na(2)EDTA to a mixture of receptor 1 and Cu2+, the solution changed back to its original colorless appearance instantly. Crown Copyright (C) 2014 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：112 / 115
页数：4
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