Azo dyes featuring with nitrobenzoxadiazole (NBD) unit: A new selective chromogenic and fluorogenic sensor for cyanide ion

被引：209

作者：

Tsui, Yao-Kang ^{[1
]}

Devaraj, Soosai ^{[1
]}

Yen, Yao-Pin ^{[1
]}

机构：

[1] Providence Univ, Dept Appl Chem, Taichung 433, Taiwan

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2012年 / 161卷 / 01期

关键词：

Chromogenic sensor; Fluorogenic sensor; Cyanide ion; NBD-derivatives; Azodyes; COLORIMETRIC DETECTION; FLUORESCENT SENSORS; SENSING CYANIDE; RECOGNITION; CHEMODOSIMETER; HIGHLIGHTS; COMPLEX; REAGENT; ANIONS;

D O I：

10.1016/j.snb.2011.10.069

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Three new chemodosimeters 1-3 were prepared, and their chromogenic and fluorogenic behaviors toward various anions were investigated. Receptors 1-3 show exclusive response toward CN- ion and also distinguish CN- from other anions by different color changes in aqueous solution (EtOH/H2O = 3/7, v/v). Among them, receptor 1 selectively exhibits a pronounced CN- -induced fluorescence enhancement. Thus, the receptor 1 can be used as a colorimetric and fluorescent sensor for the determination of CN- ion. The practical use of the receptor 1 for the determination of sodium cyanide (1.5 mu M) in aqueous solution was also reported. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：510 / 519

页数：10

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