EVIDENCE FOR LIFETIME DISTRIBUTIONS IN CYCLODEXTRIN INCLUSION COMPLEXES

被引：85
作者：
BRIGHT, FV
CATENA, GC
HUANG, JF
机构：
[1] Department of Chemistry, Acheson Hall, State University of New York, at Buffalo, Buffalo New York
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1990年 / 112卷 / 04期
关键词：
D O I：
10.1021/ja00160a008
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Multifrequency phase and modulation fluorescence spectroscopy are used to study 1:1 inclusion complexes of β-cyclodextrin (βCD) with several anilinonaphthalene sulfonate (ANS) probes. Our time-resolved fluorescence results indicate that the inclusion complex is described most accurately by distributed fluorescence lifetime models. This indicates that the ANS probe is not in a single discrete environment within the cyclodextrin cavity but in an array of cyclodextrin-cavity environments all in equilibrium with one another. © 1990, American Chemical Society. All rights reserved.
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页码：1343 / 1346
页数：4
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