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A Novel Naked-Eye and Dual-Channel Responsive Fluorescent Probe for Cu2+ Based on 3,4-Disubstituted-1,8-naphthalimide
Hui Li1, Zhi-yun Hao1, Xin Meng2, Yi-chang Zhu1
1.Dehong Normal College, Mangshi 678400, China;2.The Quality and Technical Supervision of Shuangyashan, Shuangyashan 155100, China
Abstract:
A new 3,4-disubstituted-1,8-naphthalimide derivative H1 was designed and synthesized as a selective fluorescent probe for Cu2+ over miscellaneous metal ions in aqueous media. Upon mixing with Cu2+ in CH3OH:H2O (1:1, volume ratio), the increase of fluorescence intensity and a bathochromic shift of absorbance of H1 could be observed with a notable color response (changing from yellow to pink). Furthermore, Cu2+ coordinates to the probe H1 and a 1:1 metal-ligand complex was formed.
Key words:  1,8-Naphthalimide  Copper(II)  Fluorescence
FundProject:
一种基于3,4-二取代-1,8-萘酰亚胺和双通道响应的Cu2+荧光分子探针
李辉1, 郝志云1, 孟欣2, 朱以常1
1.德宏师范高等专科学校,芒市 678400;2.双鸭山市质量技术监督局,双鸭山 155100
摘要:
设计合成了一种新型3,4-二取代-1,8-萘酰亚胺衍生物H1,在多种金属离子的水溶液中,作为铜离子的一个选择性荧光探针.该探针在甲醇和水体积比为1:1的溶液中与Cu2+结合,其荧光强度增强且探针的H1的吸收光谱发生红移,同时探针溶液的颜色由黄色变成粉红色.此外,探针H1与Cu2+结合比为1:1.
关键词:  1,8-萘酰亚胺  铜离子  荧光
DOI:10.1063/1674-0068/28/cjcp1410184
分类号: