An aqueous methylated chromenoquinoline-based fluorescent probe for instantaneous sensing of thiophenol with a red emission and a large Stokes shift

被引：44
作者：
Geng, Yani [1 ]
Tian, Huihui [1 ]
Yang, Liu [1 ]
Liu, Xingjiang [1 ,2 ]
Song, Xiangzhi [1 ]
机构：
[1] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
[2] Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou 450001, Henan, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2018年 / 273卷
基金：
中国国家自然科学基金;
关键词：
Fluorescent probe; Methylated Chromenoquinoline; Thiophenol; Red emission; Large Stokes shift; LIVING CELLS; AROMATIC DISULFIDES; SENSITIVE DETECTION; LUMINESCENT PROBES; HYDROGEN-PEROXIDE; IN-VIVO; BENZENETHIOLS; TOXICITY; THIOLS; SAMPLES;
D O I：
10.1016/j.snb.2018.07.088
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A sensitive and selective fluorescent probe, MCQ-O-DNB, for the detection of thiophenol in aqueous media has been developed based on a methylated chromenoquinoline chromophore. This probe can instantaneously respond to thiophenol and reach to a balance within 2 min. In the detection process, this probe exhibited a large Stokes shift (108 nm) and a low detection limit (8.1 nM, based on S/N = 3). Importantly, practical application experiments demonstrated that this probe was able to detect thiophenol in real water samples and living cells.
引用
收藏
页码：1670 / 1675
页数：6
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