A turn-on fluorescent probe for cyanide based on aggregation of terthienyl and its application for bioimaging

被引：30
|
作者：
Sun, Yue [1 ]
Li, Ying [1 ]
Ma, Xiaotao [1 ]
Duan, Lian [1 ]
机构：
[1] Taiyuan Univ Technol, Sch Chem & Chem Engn, Taiyuan 030024, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2016年 / 224卷
基金：
山西省青年科学基金; 中国国家自然科学基金;
关键词：
Fluorescent probe; Cyanide; Terthienyl; Aggregation; BENZO E INDOLIUM; AQUEOUS-SOLUTION; 1,4-ADDITION REACTION; HIGH SELECTIVITY; RAPID DETECTION; SOLAR-CELLS; WATER; CHEMOSENSORS; BISULFITE; EMISSION;
D O I：
10.1016/j.snb.2015.10.057
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A turn-on fluorescent probe based on terthienyl for CN- has been constructed and CN- was detected by taking advantage of aggregation-induced emission (AIE) behavior of terthienyl units in aqueous solutions. The probe displayed a high selectivity and sensitivity for CN- against other analytes, and the detection limit was measured to be 0.1 mu M. The aggregation behavior confirmed by DLS and SEM caused fluorescence enhancement in the sensing environment. A simple paper test strip system for the rapid monitoring of CN- was developed. Moreover, the probe could be employed to detect CN- in biological samples. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：648 / 653
页数：6
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