A novel experimental method for the study of complex formation between α-, β- and γ-cyclodextrin and nearly insoluble cucurbituril-[2]rotaxanes in aqueous solution

被引：25
|
作者：
Buschmann, HJ
Cleve, E
Mutihac, L
Schollmeyer, E
机构：
[1] Deutsch Text Forschungszentrum Nord W eV, D-47798 Krefeld, Germany
[2] Univ Bucharest, Dept Analyt Chem, Bucharest 70346, Romania
来源：
MICROCHEMICAL JOURNAL | 2000年 / 64卷 / 01期
关键词：
complex formation; cyclodextrins; rotaxanes; cucurbituril;
D O I：
10.1016/S0026-265X(99)00008-9
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Due to interactions between nearly insoluble guest molecules and soluble host molecules the solubility of the former increases. This effect can be detected using spectrophotometric methods. From the increase in absorbance of the solutions saturated with the guest molecule the stability of the complexes formed can be calculated quantitatively. This method is demonstrated for the complex formation of cyclodextrins with cucurbituril-rotaxanes in aqueous solution. For the study of the complex formation only very small samples of the guest molecules are needed. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：99 / 103
页数：5
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