A novel C3v-symmetric completely water soluble turn-on chemo sensor for Cd2+ and the resultant complex for iodide anion in aqueous medium

被引：11

作者：

Datta, Barun Kumar ^{[1
]}

Kar, Chirantan ^{[1
]}

Das, Gopal ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Chem, Gauhati 781039, India

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2014年 / 204卷

关键词：

Fluorescence turn-on; Cd2+ sensor; Iodide sensor; Environmental sample; 100% aqueous medium; SELECTIVE FLUORESCENT CHEMOSENSOR; PHYSIOLOGICAL CONDITIONS; AROMATIC CADMIATION; CELL BIOLOGY; CADMIUM; RECOGNITION; ZN2+; ZINC; RECEPTORS; DESIGN;

D O I：

10.1016/j.snb.2014.08.004

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel simple C-3v-symmetric, completely water soluble quinoline based guanidinium Schiff s base system have been reported for the selective detection of Cd2+ in physiological environment through a turn-on fluorescence response. The cadmium complex is found to be highly selective toward iodide by turning off the fluorescence through the sequestration of Cd2+ from L-1-Cd by the precipitation of Cd2+. Detection limit for Cd2+ and iodide are found to be 51 ppb and 1 ppb, respectively. L-1 is reversible toward Cd2+ and iodide and can be recycled. The receptor was used for the detection of Cd2+ in complex natural samples (tap, lake and river water). (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：474 / 479

页数：6

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