A sensitive and selective "turn-on" fluorescent probe for Hg2+ based on thymine-Hg2+-thymine complex with an aggregation-induced emission feature

被引：38

作者：

Ma, Ke ^{[1
]}

Li, Xing ^{[1
]}

Xu, Bin ^{[1
]}

Tian, Wenjing ^{[1
]}

机构：

[1] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China

来源：

ANALYTICAL METHODS | 2014年 / 6卷 / 07期

基金：

高等学校博士学科点专项科研基金;

关键词：

9,10-DISTYRYLANTHRACENE DERIVATIVES; MERCURY; SENSOR; IONS;

D O I：

10.1039/c3ay42255k

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A fluorescent turn-on approach for the sensitive and selective sensing of Hg2+ based on an aggregation-induced emission fluorescent molecule (DSA-T-2) containing 9,10-distyrylanthracene as a fluorophore and thymine as a Hg2+ receptor, was developed. Under optimum conditions, a linear relationship (R-2 = 0.9894) was obtained between the fluorescent intensity and the concentration of Hg2+ from 7 x 10(-7) mol L-1 to 1 x 10(-5) mol L-1. The theoretical detection limit of Hg2+ was evaluated to be 3.4 x 10(-7) mol L-1. And the selectivity towards Hg2+ was good compared to other metal ions.

引用

页码：2338 / 2342

页数：5

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