A new turn-on fluorescent sensor based on NBD for highly selective detection of Hg2+ in aqueous media and imaging in live cells

被引：28

作者：

Shen, Youming ^{[1
,2
]}

Zhang, Youyu ^{[2
]}

Zhang, Xiangyang ^{[1
]}

Zhang, Chunxiang ^{[1
]}

Zhang, Linli ^{[2
]}

Jin, Junling ^{[1
]}

Li, Haitao ^{[2
]}

Yao, Shouzhuo ^{[2
]}

机构：

[1] Hunan Univ Arts & Sci, Coll Chem & Chem Engn, Changde 415000, Peoples R China

[2] Hunan Normal Univ, Coll Chem & Chem Engn, Minist Educ, Key Lab Chem Biol & Tradit Chinese Med Res, Changsha 410081, Hunan, Peoples R China

来源：

ANALYTICAL METHODS | 2014年 / 6卷 / 13期

基金：

中国国家自然科学基金;

关键词：

OPTICAL-DETECTION; MERCURY SENSOR; IONS; FLUOROPHORE; PROBE;

D O I：

10.1039/c4ay00729h

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new and simple fluorescent probe bearing 7-nitrobenz-2-oxa-1,3-diazole and N, N-bis(thiophen-2- ylmethyl) ethane-1,2-diamine was developed as a fluorescent chemosensor with high selectivity and sensitivity toward Hg2+ over other cations tested. The signaling is due to the coordination of S and N atoms of N, N-bis(thiophen-2-ylmethyl) ethane-1,2-diamine to Hg2+. Upon addition of 30 equivalents of Hg2+, a 45-fold increase in fluorescence emission intensity was observed. Moreover, the probe is further successfully used to image Hg2+ in MCF-7 cells.

引用

页码：4797 / 4802

页数：6

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