An Organoselenium-Based Highly Sensitive and Selective Fluorescent "Turn-On" Probe for the Hg2+ Ion

被引：32
|
作者：
Kumar, Abhishek [1 ]
Singh, Jai Deo [1 ]
机构：
[1] IITD, Dept Chem, New Delhi 110016, India
来源：
INORGANIC CHEMISTRY | 2012年 / 51卷 / 02期
关键词：
MERCURY; SELENIUM; HG(II); RECOGNITION; TOXICITY; FISH; NMR;
D O I：
10.1021/ic2023902
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
An organoselenium-based NSe3 type of tripodal system 2 as a Hg2+-selective fluorescence "turn-on" probe is described. The "turn-on" fluorescence behavior of this selenotripod 2 is significant because it depends on Hg-Se bond formation and acts as a reporting unit for this system. The system exhibits immediate response (15 s) with a subnanomolar detection limit (0.1 nM) for the Hg2+ ion. It efficiently detects both aqueous and nonaqueous He2+ at 2 nM concentration.
引用
收藏
页码：772 / 774
页数：3
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