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

页码：1670 / 1675

页数：6

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