ICCAS OpenIR
A new surfactant-fluorescence probe for detecting shape transitions in self-assembled systems
Gao, Lining; Song, Qian; Huang, Xi; Huang, Jianbin
2008-07-15
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume323Issue:2Pages:420-425
AbstractA new kind of fluorescence probe, a fluorophore-labeled anionic surfactant, sodium 12-(N-dansyl)aminododecanate (12-DAN-ADA), was designed and synthesized. The applications of 12-DAN-ADA as a fluorescence probe in molecular assemblies, especially in the transitions between micelles and vesicles, were investigated systematically. It was found that 12-DAN-ADA can efficiently differentiate the two different aggregate types (shapes) in mixed cationic and anionic surfactant systems and double-chain cationic surfactant systems. Experimental results showed that the fluorescence anisotropy of 12-DAN-ADA increased sharply, the emission maxima became blue-shifted, and the fluorescence lifetime rose notably when the aggregates transformed from micelles to vesicles in mixed cationic and anionic surfactant systems. The fluorescence anisotropy can also distinguish different aggregate types in single-component double-chain cationic surfactant systems. Further studies demonstrated that 12-DAN-ADA is a more useful probe of transitions between micelles and vesicles than commonly used fluorescence probes, such as pyrene and 1,6-diphenyl-1,3,5-hexatriene (DPH). (c) 2008 Elsevier Inc. All rights reserved.
KeywordFluorescence Probe Dansyl Micelle Vesicle Aggregates Transition
DOI10.1016/j.jcis.2008.04.015
Indexed BySCI
Language英语
WOS IDWOS:000256743300031
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64746
Collection中国科学院化学研究所
Corresponding AuthorHuang, Jianbin
AffiliationPeking Univ, Coll Chem & Mol Engn, State Key Lab Struct Chem Unstable & Stable Speci, BNLMS, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Gao, Lining,Song, Qian,Huang, Xi,et al. A new surfactant-fluorescence probe for detecting shape transitions in self-assembled systems[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2008,323(2):420-425.
APA Gao, Lining,Song, Qian,Huang, Xi,&Huang, Jianbin.(2008).A new surfactant-fluorescence probe for detecting shape transitions in self-assembled systems.JOURNAL OF COLLOID AND INTERFACE SCIENCE,323(2),420-425.
MLA Gao, Lining,et al."A new surfactant-fluorescence probe for detecting shape transitions in self-assembled systems".JOURNAL OF COLLOID AND INTERFACE SCIENCE 323.2(2008):420-425.
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