Dual channel receptor based on diketopyrrolopyrrole alkyne conjugate for detection of Hg2+/Cu2+ by "naked eye" and fluorescence

被引：52
|
作者：
Kaur, Matinder [1 ]
Choi, Dong Hoon [1 ]
机构：
[1] Korea Univ, Dept Chem, Res Inst Nat Sci, 5 Anam Dong, Seoul 136701, South Korea
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2014年 / 190卷
基金：
新加坡国家研究基金会;
关键词：
Dual channel receptor; Kucherov reaction Hg2+ recognition; Copper sensor; Colorimetric sensor; Diketopyrrolopyrrole; AQUEOUS-SOLUTION; METAL IONS; PROBE; HG2+; CHEMOSENSOR; RECOGNITION; MECHANISMS; BODIPY; SENSOR; CELLS;
D O I：
10.1016/j.snb.2013.09.006
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A fluorescent probe 4 based on a diketopyrrolopyrrole alkyne conjugate structure was designed and synthesized, and its selective signaling behaviors toward Hg2+ and Cu2+ were investigated. Selective recognition of Hg2+ ion in aqueous solution was mediated through a reaction-based (Kucherov reaction) approach. Compound 4 selectively recognized Hg2+ as indicated by a color change from pink to blue and Cu2+ by a remarkable ratiometric absorption change accompanied by a color change from pink to colorless by utilizing the two reaction sites in compound 4. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：542 / 548
页数：7
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