期刊
JOURNAL OF LUMINESCENCE
卷 132, 期 8, 页码 1837-1841出版社
ELSEVIER
DOI: 10.1016/j.jlumin.2012.03.016
关键词
Rhodamine B derivative; Cu2+; Fluorescent probe; Fluorescence enhancement
类别
资金
- Key Scientific and Technological Project of Henan Province [112102310360]
- Natural Science Research Project of Henan Province Education Department [2011A610005]
A new fluorescent probe 1 (P1) for Cu2+ based on rhodamine B was designed and synthesized. P1 exhibits high sensitivity and selectivity for sensing Cu2+ and color changes from colorless to pink in aqueous media. Selective fluorescent enhancement of P1 was attributed to ring-opening from the spirolactam (nonfluorescent) to ring-opened amide (fluorescent). A chemosensor based on rhodamine B has a good potential application to the determination of Cu2+ in environmental and biological systems. (C) 2012 Elsevier B.V. All rights reserved.
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