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β-环糊精联吡啶钌衍生物与维生素包络作用的荧光光谱分析
引用本文:郑珊珊,陈红,祁彦涛,王秀华,樊华军,赵莹莹,张帆,杨帆,汤杰,何品刚. β-环糊精联吡啶钌衍生物与维生素包络作用的荧光光谱分析[J]. 高等学校化学学报, 2013, 34(7): 1606-1611. DOI: 10.7503/cjcu20130077
作者姓名:郑珊珊  陈红  祁彦涛  王秀华  樊华军  赵莹莹  张帆  杨帆  汤杰  何品刚
作者单位:华东师范大学化学系, 上海 200062
基金项目:国家自然科学基金(批准号: 21075042)资助.
摘    要:合成了一种新型的β-环糊精联吡啶钌衍生物[β-CD-Ru(bpy)3],采用分子荧光光谱法研究了该衍生物对一系列维生素的包络作用.β-CD-Ru(bpy)3的结构中含有发光活性基团联吡啶钌中心,因此具有良好的荧光特性.当加入与β-环糊精有主客体识别作用的维生素时,β-CD-Ru(bpy)3与维生素之间发生能量转移从而导致主体分子发生荧光猝灭.采用Benesi-Hildebrand方程,根据其猝灭值计算了该衍生物与各种维生素的包络常数.实验结果表明,维生素与β-CD-Ru(bpy)3包络作用大小顺序为维生素B12>维生素K3>维生素C>维生素A.

关 键 词:β-环糊精联吡啶钌衍生物  维生素  荧光光谱  包络作用
收稿时间:2013-01-22

Analysis of Binding Properties Between β-Cyclodextrin Bipyridine-ruthenium Derivative and Vitamins by Their Fluorescence Spectra
ZHENG Shan-Shan,CHEN Hong,QI Yan-Tao,WANG Xiu-Hua,FAN Hua-Jun,ZHAO Ying-Ying,ZHANG Fan,YANG Fan,TANG Jie,HE Pin-Gang. Analysis of Binding Properties Between β-Cyclodextrin Bipyridine-ruthenium Derivative and Vitamins by Their Fluorescence Spectra[J]. Chemical Research In Chinese Universities, 2013, 34(7): 1606-1611. DOI: 10.7503/cjcu20130077
Authors:ZHENG Shan-Shan  CHEN Hong  QI Yan-Tao  WANG Xiu-Hua  FAN Hua-Jun  ZHAO Ying-Ying  ZHANG Fan  YANG Fan  TANG Jie  HE Pin-Gang
Affiliation:Department of Chemistry, East China Normal University, Shanghai 200062, China
Abstract:This paper presents a research of the binding interaction of a new synthetized β-cyclodextrin bipyridine-ruthenium derivative[β-CD-Ru(bpy)3] with a series of vitamins using fluorescent spectrometry. The performance of fluorescence emission of β-CD-Ru(bpy)3 was excellent due to the existence of the center of bipyridine-ruthenium. Based on the effect of molecular recognition between β-cyclodextrin and guest molecule, the fluorescence quenching occured because of the energy transfer between the β-CD-Ru(bpy)3 and the vitamin when a kind of vitamin was added. According to the quantitative value of fluorescence quenching, the binding constants of the new derivative with respect to various vitamins were determined by Benesi-Hildebrand Equation. The results show that the binding capacities of the vitamins with β-CD-Ru(bpy)3 were in a descending sequence of VB12>VK3>VC>VA.
Keywords:&beta  -Cyclodextrin bipyridine-ruthenium derivative')"   href="  #"  >&beta  -Cyclodextrin bipyridine-ruthenium derivative  Vitamin  Fluorescence spectra  Binding interaction
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