| 王海娜,张慧,俞天智,赵玉玲.化学通报,2020,83(3):240-245,252. |
| 香豆素类双酰腙荧光探针的合成及对Cu2+的识别性能 |
| Synthesis and Evaluation of Dicoumarin Acylhydrazone Derivatives as Fluorescent Probes for Cu2+ |
| 投稿时间：2019-09-22 修订日期：2019-11-30 |
| DOI： |
| 中文关键词: Cu2+ 双香豆素 酰腙 荧光探针 |
| 英文关键词:Cu2+ Dicoumarin Acylhydrazone Fluorescent probe |
| 基金项目:国家自然科学基金项目（51563014）和甘肃省自然基金项目（1606RJZA018）资助 |
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| 中文摘要: |
| 设计合成了2种以香豆素为荧光团、酰腙为识别基团的双香豆素双酰腙类荧光探针，并对其进行了结构表征及光谱性能研究。结果表明，探针对Cu2+具有高选择性和高灵敏度，表现出明显的荧光猝灭效应，探针与Cu2+以1：2的结合比相互作用，对Cu2+检测限为10-9mol/L。 |
| 英文摘要: |
| Two fluorescent probes, (N1'E, N3'E)-N1',N3'-bis((7-N,N-diethylaminocoumarin-3-yl)methylene) malonohydrazide and (N1'E, N4'E)-N1',N4'-bis((7-N,N-diethylaminocoumarin-3-yl)methylene) succinohydrazide, bearing acylhydrazone group as binding site and coumarin group as the fluorescence signal group were synthesized and characterized by conventional techniques. These probes showed notable fluorescence turn-off response for Cu2+ over other metals ions. The probes and Cu2+ formed 1:2 coordination complexes according to spectroscopy data and Job's plots. Further study demonstrated that the detection limit of Cu2+ for the probes was as low as 10-9 mol/L. |
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