期刊
DALTON TRANSACTIONS
卷 45, 期 13, 页码 5700-5712出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt00147e
关键词
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资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [NRF-2014R1A2A1A11051794, NRF-2015R1A2A2A09001301, NRF-2014R1A2A2A01004877]
- National Research Foundation of Korea [2015R1A2A2A09001301, 2014R1A2A2A01004877, 2014R1A2A1A11051794] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A simple fluorescent chemosensor 1 for the detection of Hg2+ and pH was developed by a combination of 2-aminoethyl piperazine and 4-chloro-7-nitrobenz-2-oxa-1,3-diazole. The sensor 1 showed OFF-ON behavior for different colors of fluorescence in the presence of Hg2+ and under acidic conditions, respectively, in a near-perfect aqueous solution. The turn-on fluorescence caused by inhibition of photoinduced electron transfer was explained by theoretical calculations. 1 could be used to quantify Hg2+ in water samples, and its in vitro studies with HeLa cells showed fluorescence in the presence of Hg2+. In addition, 1 could selectively detect S2- by changing its color from orange to pink in a near-perfect aqueous solution. Moreover, 1 could be used as a practical, visible test kit for S2-.
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