A new colorimetric and fluorescent chemodosimeter for fast detection of cyanide

被引：31

作者：

Zhou, Chen ^{[1
]}

Sun, Mingda ^{[1
]}

Yan, Chunqiu ^{[1
]}

Yang, Qingbiao ^{[1
]}

Li, Yaoxian ^{[1
]}

Song, Yan ^{[2
]}

机构：

[1] Jilin Univ, Dept Chem, Changchun 130021, Peoples R China

[2] Jilin Inst Chem Technol, Dept Chem & Mat Engn, Jilin 132022, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2014年 / 203卷

关键词：

ICT; Cyanide anion; Colorimetric; Fluorescent; Bioimaging; TD-DFT; SPECTROPHOTOMETRIC DETERMINATION; CHEMOSENSOR; ANIONS; PROBE; SENSITIVITY; SENSOR; BLOOD; CN;

D O I：

10.1016/j.snb.2014.07.002

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new high selective and sensitive fluorescent sensor for the detection of cyanide was developed based on the conjugated of anthracene and hemicyanine. By the nucleophilic attacking of CN to the indolenium C-2 atom of the sensor, the ICT progress (Intramolecular Charge Transfer) was blocked with color changed and fluorescence enhanced. The live cell fluorescent experiments demonstrated the value of the sensor in tracing the CN- in biological systems. Short responding time (less than 1 s) and excellent water-soluble ability (only 20% organic solvents needed in the detection) provided a broader application prospect in the practical application. The sensing mechanism was well rationalized with the aid of TD-DFT (time-dependent density functional theory) calculations. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：382 / 387

页数：6

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