Development of a pyrene based "turn on" fluorescent chemosensor for Hg2+

被引：107
|
作者：
Sivaraman, Gandhi [1 ]
Anand, Thangaraj [1 ]
Chellappa, Duraisamy [1 ]
机构：
[1] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India
来源：
RSC ADVANCES | 2012年 / 2卷 / 28期
关键词：
SELECTIVE DETECTION; ENERGY-TRANSFER; SENSOR; MERCURY; DERIVATIVES; ANTHRACENE; EMISSION; DESIGN; PROBE; RECOGNITION;
D O I：
10.1039/c2ra21202a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We have designed, synthesized, and evaluated a new pyrene-based "turn on" fluorescent chemosensor which showed remarkable enhanced fluorescence intensity in the presence of Hg2+ ions and a high selectivity towards Hg2+ ions over a wide range of metal ions in aqueous acetonitrile (ACN). The probe shows selectivity and sensitivity with a 12-fold enhancement in fluorescence towards Hg2+. Upon the addition of Hg2+ ions, the probe displayed an apparent color change, which could be observed by the naked eye under a UV lamp. It's in vitro sensitivity to Hg2+ was demonstrated in candida albicans cells with the use of confocal microscopy.
引用
收藏
页码：10605 / 10609
页数：5
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