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Fluorescence Enhancement of Polyamine Derivatives of 1,8-Naphthalimide with Transition Metal Ions
Guo-tao Wen ,Man-zhou Zhu* ,Zhuo Wang ,Xiang-ming Meng ,Hui-yuan Hu ,Qing-xiang Guo*
Author NameAffiliation
Guo-tao Wen Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; Provincial Key Laboratory of Research on Wastewater Treatment Technology, Anhui Academy of Environmental Science Research, Hefei, 230061 China 
Man-zhou Zhu* Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; 
Zhuo Wang Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; 
Xiang-ming Meng Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; 
Hui-yuan Hu Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; 
Qing-xiang Guo* Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; 
Abstract:
A series of fluorescent chemosensors 1-3 were synthesized to detect transition metal ions. At the room temperature, fluorescence intensities of these chemosensors in acetonitrile without transition metal ions were found to be very weak, due to the process of the e±cient intramolecular photoinduced electron transfer (PET). However, after addition of the transition metal ions, the chemosensor 1-3 exhibits obvious fluorescence enhancement. Moreover, the intensity of the fluorescence emission of chemosensors increases significantly in the presence of Zn2+ and Cd2+. The fluorescent chemosensors with different polyamine as receptors show diverse a±nity abilities to the transition metal ions and signal the receptor-metal ion interaction by the intensity change of fluorescence emission.
Key words:  Transition metal ion, 1,8-naphthalimide, Photoinduced electron transfer, Fluorescence en- hancement, Fluorescent chemosensor
FundProject:supported by the National Natural Sci ence Foundation of China (No.20332020, No.20472079)
识别过渡金属离子的1,8-萘二甲酰亚胺多胺衍生物荧光传感器的研究
文国涛 ,朱满洲 ,王卓 ,孟祥明 ,胡惠媛 ,郭庆祥
摘要:
设计合成了用以检测过渡金属离子的荧光化学敏感器体系,它 们是由1,8-萘二酰亚胺为荧光团,多胺衍生物为金属离子受体组成. 在 室温下对其光物理性质的研究中发现,在没有加入过渡金属离子时, 由于体系内存在有效的光诱导电子转移过程使得荧光团的荧光被淬灭. 加入过渡金属离子后,金属离子受体中的氮原子和过渡金属离子之间 的配位作用阻断了光诱导电子转移过程,体系的荧光增强. 不同的金 属离子受体表现出了和过渡金属离子不同的配位识别能力,并且通过 荧光的变化传递出受体-金属离子作用的信息.
关键词:  过渡金属离子,1,8-萘二酰亚胺,光诱导电子转移,荧光增强,荧光化学敏感器
DOI:10.1360/cjcp2006.19(6).506.5
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