A New Fluorescent Chemodosimeter for Hg2+ with High Selectivity and Sensitivity in Water

被引：5
|
作者：
Yang, Dengchen [1 ,2 ]
Li, Meng [1 ]
Chen, Chuanfeng [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Mol Recognit & Funct, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2017年 / 35卷 / 05期
基金：
中国国家自然科学基金;
关键词：
fluorescence; chemodosimeter; Hg2+ ion; helicene; water; AQUEOUS-MEDIA; LIVING CELLS; PROBE; CHEMOSENSOR; RHODAMINE; MERCURY; IONS; ENHANCEMENT; RECOGNITION; HEALTH;
D O I：
10.1002/cjoc.201600519
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new fluorescent chemodosimeter based on tetrahydro[5] helicene imide was synthesized, and it showed high selectivity and sensitivity toward Hg2+ ions over other different tested metal ions in water. The response time was within 0.5 min, and the detection limit of the chemodosimeter for Hg2+ was estimated to be 2.0x10(-8) mol center dot L-1. The Hg2+ promoted deprotection of dithioacetal groups of 1, which induced water-soluble fluorescent chemodosimeter 1 to form a water-insoluble aldehyde precursor.
引用
收藏
页码：635 / 639
页数：5
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