A bezoimidazole-based highly selective and low-background fluorescent sensor for Zn2+

被引：15
|
作者：
Wang, Xiaoqing [2 ]
Liu, Zhipeng [1 ,3 ]
Qian, Fang [3 ]
He, Weijiang [3 ]
机构：
[1] Liaocheng Univ, Sch Chem & Chem Engn, Liaocheng 252000, Peoples R China
[2] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252000, Peoples R China
[3] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2012年 / 15卷
关键词：
Benzoimidazole; Zn2+ fluorescence sensor; Dark background; ZINC; METALLONEUROCHEMISTRY; BIOLOGY; DESIGN; PROBES; CELLS;
D O I：
10.1016/j.inoche.2011.10.018
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
In this article, a new benzoimidazole based Zn2+ fluorescence sensor DABI has been prepared. The sensor displays a rapid and a linear response to Zn2+ with a red-shifted 100-fold turn-on signal from the dark background. The presence of other metal ions especially Cd2+ does not interfere with its Zn2+ response. Molecular modeling study suggests that the Zn2+-induced red shift of emission and fluorescence turn-on of DABI could be correlated to the coplanation of two aryl planes of 2-aryl substituted benzoimidazole. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：176 / 179
页数：4
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