A coumarin-based fluorescent probe for hypochlorite ion detection in environmental water samples and living cells

被引：68

作者：

Shangguan, Mingqin ^{[1
]}

Jiang, Xingzong ^{[1
]}

Lu, Zhen ^{[1
]}

Zou, Wenhong ^{[1
]}

Chen, Yuya ^{[2
]}

Xu, Peiyao ^{[3
]}

Pan, Yujing ^{[3
]}

Hou, Linxi ^{[1
]}

机构：

[1] Fuzhou Univ, Coll Chem Engn, Xueyuan Rd 2, Fuzhou 350116, Fujian, Peoples R China

[2] Fuzhou Univ, Coll Chem, Xueyuan Rd 2, Fuzhou 350116, Fujian, Peoples R China

[3] Huaqiao Univ, Coll Chem Engn, Xiamen 361021, Fujian, Peoples R China

来源：

TALANTA | 2019年 / 202卷

基金：

中国国家自然科学基金;

关键词：

Fluorescent probe; Coumarin; Hypochlorite ion; Environmental water; Cell imaging; RATIOMETRIC DETECTION; HIGH SELECTIVITY; MITOCHONDRIA; ACID; DESIGN; HOCL;

D O I：

10.1016/j.talanta.2019.04.074

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this study, we developed a new fluorescent probe (CMM) based on coumarin dye and malononitrile, for highly sensitive and selective detection of hypochlorite ion (ClO-). CMM showed a 45-fold fluorescence enhancement at 459 nm in the presence of ClO- and displayed an excellent selectivity over other competing species. The probe featured a fast response time (< 15 s), which could be in favor of the real-time detection towards ClO-. Meanwhile, probe CMM could effectively monitor ClO- in physiological pH condition and the detection limit was estimated to be as low as 5.7 nM. Furthermore, its preeminent recognition properties made the successful application for monitoring ClO- in environmental water samples and labeling CIO- in living biological cells.

引用

页码：303 / 307

页数：5

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