期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 23, 期 11, 页码 3382-3384出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2013.03.083
关键词
Phenanthroimidazole; Sensor; Fluorescence probe; Turn on; Mercury
资金
- National Natural Science Foundation of China [31171896]
- Special Funds of Central Colleges Basic Scientific Research Operating Expenses
Based on highly selective and irreversible Hg2+-promoted desulfurization reaction, a new and simple phenanthroimidazole-type sensor was prepared and exhibited high selectivity towards Hg2+ ion over other metal ions, accompanied by transformation of a weakly fluorescent thioamide moiety (colorless) to a highly fluorescent amide one (blue), with a 136-fold increase in fluorescent intensity in aqueous solution with a pH span 2.57-9.12. (C) 2013 Elsevier Ltd. All rights reserved.
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