New rhodamine derivative as OFF-ON fluorescent chemosensor for detection of Cu^(2+)

作     者：MA Xing LIU Jun DU YuGuo WEI GuoHua WEI DongBin 

作者机构：State Key Laboratory of Environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 China College of Chemistry and Chemical Engineering Graduate University of Chinese Academy of Sciences Beijing 100049 Ghina 

出 版 物：《Science China Chemistry》 (中国科学（化学英文版）)

年 卷 期：2011年第54卷第10期

页      面：1635-1639页

核心收录：

学科分类：080202[工学-机械电子工程] 08[工学] 09[农学] 0903[农学-农业资源与环境] 0802[工学-机械工程] 

基　　金：supported in partial by the National Natural Science Foundation of China (20921063 & 20877090) the National High Technology Research and Development Program (863 Program, 2007AA06A407) 

主　　题：copper fluorescent chemosensor rhodamine naked-eye detection 

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.