A new highly selective fluorescent turn-on chemosensor for cyanide anion

被引：68

作者：

Chen, Yabin ^{[1
]}

Shi, Wei ^{[1
]}

Hui, Yonghai ^{[1
]}

Sun, Xinhua ^{[1
]}

Xu, Linxian ^{[1
]}

Feng, Lei ^{[1
]}

Xie, Zhengfeng ^{[1
]}

机构：

[1] Xinjiang Univ, Coll Chem & Chem Engn, Minist Educ, Key Lab Oil & Gas Fine Chem, Urumqi 830046, Xinjiang, Peoples R China

来源：

TALANTA | 2015年 / 137卷

基金：

中国国家自然科学基金;

关键词：

Fluorescence; Nucleophilic addition; Cyanide anion; Interference; COLORIMETRIC DETECTION; HYDROGEN-CYANIDE; SENSOR; CHEMODOSIMETER; ION; RECOGNITION; COMPLEX; PROBE; WATER;

D O I：

10.1016/j.talanta.2015.01.018

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new simple molecule, 24(2-phenyl-2H-1,2,3-triazol-4-yl)methylene)malononitrile (M1), was synthesized successfully by the Knoevenagel condensation reaction between 2-phenyl-1,2,3-triazole-4-carboxaldehyde and malononitrile. The receptor M1 is highly sensitive and selective to cyanide anion due to the nucleophilic addition of cyanide anion with M1. Distinct changes on UV-vis and fluorescence spectra can be detected with the addition of cyanide anion to the DMSO solution of Ml. Optical properties of M1 were scarcely affected by the addition of other common background anions (F-, Cl-, Br-, I-, SCN-, OH-, COY, H2PO4-, SO42-, HSO4-, AcO-, and NO3-) under the same condition. The detection limit of CN- reaches similar to 1.43 mu M by M1 and the presence of background anions brought very slight interference for the detection of CN-. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：38 / 42

页数：5

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