A Novel Fluorescent Switch Containing Perylene Derivatives:Synthesis and Its Discrimination Ability toward Hydrogen Peroxide and Vitamin C

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A Novel Fluorescent Switch Containing Perylene Derivatives:Synthesis and Its Discrimination Ability toward Hydrogen Peroxide and Vitamin C

- A Novel Fluorescent Switch Containing Perylene Derivatives:Synthesis and Its Discrimination Ability toward Hydrogen Peroxide and Vitamin C
- Vol. 30, Issue 8, Pages: 858-862(2011)
- 作者机构：
  
  山东建筑大学市政与环境工程学院.2.山东力明科技职业学院
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A Novel Fluorescent Switch Containing Perylene Derivatives:Synthesis and Its Discrimination Ability toward Hydrogen Peroxide and Vitamin C. [J]. 30(8):858-862(2011)
DOI：

A Novel Fluorescent Switch Containing Perylene Derivatives:Synthesis and Its Discrimination Ability toward Hydrogen Peroxide and Vitamin C. [J]. 30(8):858-862(2011) DOI：

摘要

以苝四酸酐为原料合成了新型的水溶性荧光分子——N,N′-二谷氨酸铵盐-3,4,9,1-苝四羧酸二酰亚胺（PTCDG），其结构经1H NMR、IR证实。以顺磁性Fe3+和抗磁性Fe2+与PTCDG构建荧光开关，当以顺磁性的Fe3+存在时，荧光团和Fe3+之间发生PET效应，荧光猝灭，而当以抗磁性的Fe2+存在时，PET过程被阻止，荧光恢复，即实现了荧光的开关。氧化剂H2O2可将Fe2+氧化成Fe3+，而还原性的Vc则可使Fe3+还原成Fe2+，通过磁性的可逆变化，可以检测对生物体有重要意义的H2O2及Vc。

Abstract

One water-soluble fluorescent perylene diimide ［N,N′-bi（L-glutamic amine） perylene-3,4,9,10-tetracarboxylic diimide］(PTCDG)derived from the raw material 3,4,9,10-perylenetetracarboxy anhydride was synthesized and characterized by IR and 1H NMR spectra.A novel fluorescent switch was constructed based on PTCDG in presence of diamagnetic Fe2+or paramagnetic Fe3+.The switch turns off in presence of paramagnetic Fe3+owing to the PET quench,while it turns on in presence of diamagnetic Fe2+because of the absence of the PET quench.The magnetism reversability between Fe2+and Fe3+could be used to detect hydrogen peroxide and vitamin C.

关键词

苝荧光开关合成分子识别双氧水维生素C

Keywords

perylene derivativefluorescent switchsynthesismolecular recognitionhydrogen peroxidevitamin C

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