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Spectral and photophysical studies on the inclusion complexation between Triton X-100 and beta-cyclodextrin: A competitive method using a substituted 3H-indole probe
He, Yifeng; Shen, Xinghai; Gao, Hongcheng; He, Yongke
2008-01-25
Source PublicationJOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
ISSN1010-6030
Volume193Issue:2-3Pages:178-186
AbstractWe report herein the interaction of the nonionic surfactant Triton X-100 with beta-cyclodextrin (beta-CD) using 2-(p-aminophenyl)-3,3-dimethyl-5carboethyoxy-3H-indole (1) as a fluorescent probe through a competitive method. The formation of 1:1 and 1:2 (guest:host) inclusion complexes was confirmed and the association constants were estimated. Using Triton X-100 itself as a probe, the interaction pattern and the association constants obtained were in agreement with those sensed by 1. Furthermore, the binding site of Triton X-100 with beta-CD was investigated. It was found that the entire hydrophobic part of Triton X-100 was included into the cavity of beta-CD. For comparison, we also employed 1 as a probe to study the interaction between Brij 56 and beta-CD. The above results strongly suggest that molecule 1 is a good candidate acting as a probe to study the inclusion complex between a non-fluorescent guest and cyclodextrin. (C) 2007 Elsevier B.V. All rights reserved.
KeywordInclusion Complex Beta-cyclodextrin Triton X-100 Steady-state Fluorescence Fluorescence Lifetime 2d Noesy Nmr
DOI10.1016/j.jphotochem.2007.06.023
Indexed BySCI
Language英语
WOS IDWOS:000252910100014
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65342
Collection中国科学院化学研究所
Corresponding AuthorShen, Xinghai
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, Dept Appl Chem, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
He, Yifeng,Shen, Xinghai,Gao, Hongcheng,et al. Spectral and photophysical studies on the inclusion complexation between Triton X-100 and beta-cyclodextrin: A competitive method using a substituted 3H-indole probe[J]. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY,2008,193(2-3):178-186.
APA He, Yifeng,Shen, Xinghai,Gao, Hongcheng,&He, Yongke.(2008).Spectral and photophysical studies on the inclusion complexation between Triton X-100 and beta-cyclodextrin: A competitive method using a substituted 3H-indole probe.JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY,193(2-3),178-186.
MLA He, Yifeng,et al."Spectral and photophysical studies on the inclusion complexation between Triton X-100 and beta-cyclodextrin: A competitive method using a substituted 3H-indole probe".JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY 193.2-3(2008):178-186.
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