期刊
DALTON TRANSACTIONS
卷 43, 期 21, 页码 8102-8108出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4dt00014e
关键词
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资金
- National Natural Science Foundation of China [21302058]
- Research Fund for the Doctoral Program of Higher Education of China [20130076120006]
- Opening Project of Shanghai Key Laboratory of Chemical Biology
- Fundamental Research Funds for the Central Universities
A novel fluorescent probe NPM based on naphthalimide was designed and synthesized. Interestingly, NPM exhibited highly selective fluorescence turn-on for Hg2+ and turn-off for Cu2+ in aqueous solution (10 mM HEPES, pH 7.5). Its fluorescence intensity enhanced in a linear fashion with the concentration of Hg2+ and decreased in a nearly linear fashion with the concentration of Cu2+. Thus NPM could be potentially used for the quantification of Hg2+ and Cu2+ in aqueous solution. A series of model compounds were rationally designed and synthesized in order to explore the sensing mechanisms and binding modes of NPM with Hg2+ and Cu2+.
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