A Fluorescent and Colorimetric Chemosensor for Hg2+ Based on Rhodamine 6G With a Two-Step Reaction Mechanism

被引：15
|
作者：
Bai, Cui-Bing [1 ,2 ]
Wang, Wei-Gang [1 ]
Zhang, Jie [1 ]
Wang, Chang [1 ,2 ]
Qiao, Rui [1 ,2 ]
Wei, Biao [1 ,2 ]
Zhang, Lin [1 ,2 ]
Chen, Shui-Sheng [1 ,2 ]
Yang, Song [1 ,2 ]
机构：
[1] Fuyang Normal Univ, Sch Chem & Mat Engn, Fuyang, Peoples R China
[2] Anhui Prov Key Lab Degradat & Monitoring Pollut E, Fuyang, Peoples R China
来源：
FRONTIERS IN CHEMISTRY | 2020年 / 8卷
基金：
中国国家自然科学基金;
关键词：
chemosensor; Hg2+; rhodamine; 6G; test strips; silica gel plates; PROBE; CHEMODOSIMETER; IONS; FRET; DERIVATIVES; MERCURY(II);
D O I：
10.3389/fchem.2020.00014
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A fluorescent and colorimetric chemosensor L based on rhodamine 6G was designed, synthesized, and characterized. Based on a two-step reaction, the chemosensor L effectively recognized Hg2+. The interaction between the chemosensor and Hg2+ was confirmed by ultraviolet-visible spectrophotometry, fluorescence spectroscopy, electrospray ionization-mass spectrometry, Fourier-transform infrared spectroscopy, and frontier molecular orbital calculations. The chemosensor L was also incorporated into test strips and silica gel plates, which demonstrated good selectivity and high sensitivity for Hg2+.
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页数：7
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