New rhodamine derivative as OFF-ON fluorescent chemosensor for detection of Cu2+

被引:0
作者
Xing Ma
Jun Liu
YuGuo Du
GuoHua Wei
DongBin Wei
机构
[1] Chinese Academy of Sciences,State Key Laboratory of Environmental Chemistry and Ecotoxicology; Research Center for Eco
[2] Graduate University of Chinese Academy of Sciences,Environmental Sciences
来源
Science China Chemistry | 2011年 / 54卷
关键词
copper; fluorescent chemosensor; rhodamine; naked-eye detection;
D O I
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中图分类号
学科分类号
摘要
A novel fluorescence probe for the detection of Cu2+ has been designed and synthesized, which is based on a ring-opening reaction of spirolactam triggered by Cu2+. This probe exhibits excellent Cu2+ ion selectivity as well as significant color changes visible to the naked eye at the concentration of 0.03 mM (ca. 2.0 mg/L), the WHO (World Health Organization) recommended level (2.0 mg/L) of Cu2+ ions in drinking water. This novel rhodamine-based fluorescence probe can be directly used to detect Cu2+ with satisfactory sensitivity and selectivity in aqueous solution.
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页码:1635 / 1639
页数:4
相关论文
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