A novel pyrene-based "off-on" fluorescent probe with high selectivity and sensitivity for Hg2+

被引：0

作者：

Liang, Qingxiang ^{[1
]}

Zhou, Wu ^{[1
]}

Wu, Aibin ^{[1
,2
,4
]}

Shu, Wenming ^{[1
,3
]}

Yu, Weichu ^{[1
,2
,4
]}

机构：

[1] Yangtze Univ, Sch Chem & Environm Engn, Jingzhou, Peoples R China

[2] Yangtze Univ, Unconvent Oil & Gas Collaborat Innovat Ctr, Jingzhou, Peoples R China

[3] Yangtze Univ, Hubei Engn Res Ctr Clean Prod & Pollut Control Oil, Jingzhou, Hubei, Peoples R China

[4] Yangtze Univ, Sch Chem & Environm Engn, Jingzhou 434023, Hubei, Peoples R China

来源：

JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2023年 / 70卷 / 10期

基金：

中国国家自然科学基金;

关键词：

fluorescent probe; Hg2+; off-on; Pyrene; MERCURY; SENSOR; SPECTROMETRY; CHEMOSENSOR; GENERATION; DESIGN;

D O I：

10.1002/jccs.202300231

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this article, a novel "off-on" fluorescent probe 2-(pyren-1-ylmethylene)-1H-indene-1,3(2H)-dione (PID) for Hg2+ was designed and synthesized. The selectivity, concentration titration, pH titration, time dependence, limit of detection, and recognition mechanism of PID for Hg2+ in CH3CH2OH/H2O solution were also investigated. The results indicated that PID exhibited high selectivity, sensitivity, and fast response to Hg2+, and the limit of detection was as low as 20.7 nmol/L. In addition, PID could work in a wide pH range, and the determination of Hg2+ in water samples showed that it could be used as a potential detection tool in practical application.

引用

页码：1937 / 1943

页数：7

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