Development of an ultrasensitive Ru(II) complex-based fluorescent probe with phenothiazine unit for selective detection HOCl and its application in water samples

被引：16

作者：

Zhang, Jiulong ^{[1
]}

Zhang, Daobin ^{[1
]}

Xiao, Lin ^{[1
]}

Pu, Shouzhi ^{[1
,2
]}

机构：

[1] Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang 330013, Jiangxi, Peoples R China

[2] Yuzhang Normal Univ, Dept Ecol & Environm, Nanchang 330103, Jiangxi, Peoples R China

来源：

DYES AND PIGMENTS | 2021年 / 188卷

基金：

中国国家自然科学基金;

关键词：

Ruthenium; Fluorescent probe; HOCl; Water samples;

D O I：

10.1016/j.dyepig.2021.109179

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A near-infrared probe Ru-1 with a phenothiazine derivative moiety as a responsive unit was designed to sensitively and selectively recognize HOCl in pure PBS solution. Upon addition of HOCl to a PBS solution of Ru-1, S-atom of the phenothiazine unit oxidized to sulfoxide, accompanied with a marked fluorescence enhancement about 60 fold at 635 nm. Probe Ru-1 displayed excellent water-solubility (PBS solution), low detection limit (4.4 nM), long fluorescence lifetime (354.36 ns) and large Stokes shift (175 nm). The experiments of its quantitative detection HOCl in water samples implied the probe Ru-1 possessed potential application in the environment.

引用

页数：7

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