Spectroscopic studies of inclusion complexes of 1-naphthol-4-sulfonate with β-cyclodextrin in aqueous solution

被引：16
|
作者：
Al-Shihry, SS [1 ]
机构：
[1] King Faisal Univ, Coll Sci, Dept Chem, Al Hufuf 31982, Saudi Arabia
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2005年 / 61卷 / 11-12期
关键词：
fluorescence; inclusion complexes; beta-cyclodextrin; naphthol derivatives; Benesi-Hildebrand; NMR;
D O I：
10.1016/j.saa.2004.09.006
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The photophysical properties of 1-naphthol-4-sulfonate (1N4S) in some solvents and in aqueous beta-cyclodextrin solution have been investigated. The effect of P-cyclodextrin on the fluorescence quantum yield and on the proton transfer is examined. Fluorescence measurements show 1:1 inclusion of 1N4S in the beta-cyclodextrin cavity with an association constant of 108M(-1). NMR studies are used to study the inclusion phenomena and to provide information on the geometry of 1N4S inside the cavity of beta-cyelodextrin. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：2439 / 2443
页数：5
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