A rhodamine-benzothiazole conjugated sensor for colorimetric, ratiometric and sequential recognition of copper(II) and sulfide in aqueous media

被引：50

作者：

Tang, Lijun ^{[1
]}

Dai, Xin ^{[1
]}

Wen, Xin ^{[1
]}

Wu, Di ^{[1
]}

Zhang, Qiang ^{[1
]}

机构：

[1] Bohai Univ, Dept Chem, Liaoning Prov Key Lab Synth & Applicat Funct Cpds, Jinzhou 121013, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2015年 / 139卷

基金：

中国国家自然科学基金;

关键词：

Rhodamine; Benzothiazole; Copper(II) recognition; Sulfide recognition; Colorimetric; HYDROGEN-SULFIDE; FLUORESCENT CHEMODOSIMETER; RELAY RECOGNITION; HG2+; PROBE; STRATEGY; CU2+; CHEMOSENSOR; CU(II); IONS;

D O I：

10.1016/j.saa.2014.12.055

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A new rhodamine-benzothiazole conjugated colorimetric sensor 1 that exhibits sequential recognition to Cu2+ and S2- in CH3CN/HEPES buffer (v/v = 1:1, HEPES 10 mM, pH = 7.0) solution has been developed. Sensor 1 displays highly selective and sensitive recognition to Cu2+ with a ratiometric behavior, and the resultant 1-Cu2+ complex can act as a highly selective S2- sensor via Cu2+ displacement approach. The Cu2+ and S2- recognition processes are rapid and reversible, and the Cu2+ and S2- inputs can result in an INHIBIT logic gate. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：329 / 334

页数：6

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