物理化学学报2000,Vol.16Issue(3):248-252,5.
化学修饰环糊精在醇/水混合溶剂中的包结行为
Inclusion Behavior of Chemical Modified β-cyclodextrin in Alcohol/Water Mixed Solvents
摘要
Abstract
A comparative study on the fluorescence behavior of the chemical modified β -cyclodextrin appended a N,N-dimethylamino-chalcone group (DMAC-CD) and the non-modified β-CD mixed with free dimethylamino-chalcone (DMAC+ CD) in alcohol/water mixed solvents have been carried out in this work.The fluorescence data obtained— — maximum peak wavelength and emission intensity— — indicates that the inclusion behavior of the above-mentioned systems is obviously different in mixed alcohol/water solvents.The solvent-induced multi-component complex formation and dissociation and the effect of polarity and size of alcohol used have been also studied carefully by variation of the fluorescence spectroscopic characters.The result indicates that the self-inclusion complex of DMAC-CD has a higher stability in mixed alcohol/water solvents than that in the DMAC + β -CD system.The obtained results and the observed phenomena have been discussed in details.关键词
化学修饰环糊精/包结配合物/荧光光谱/混合溶剂Key words
Chemical modified cyclodextrin/Inclusion complex/Fluorescence spectrum/Mixed solvent分类
社会科学引用本文复制引用
解宏智,吴世康..化学修饰环糊精在醇/水混合溶剂中的包结行为[J].物理化学学报,2000,16(3):248-252,5.基金项目
国家自然科学基金项目(29733100) The Project Sypported by NEFC(29733100) (29733100)