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Influence of La3+ ions on the egg-yolk phosphatidylcholine and sodium taurocholate self-assemblies in aqueous suspension
Chen, Huhe1; Guo, Zhengduo1; Yu, Fangting1; Qi, Jian1; Zhang, Li1; Zhou, Yong2; Yang, Zhanlan1; Xu, Yizhuang1; Wu, Jinguang1; Xu, Guangxian1
2008-12-01
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume328Issue:1Pages:158-165
AbstractIn this study, the influence of La3+ on the mixed egg-yolk phosphatidylcholine (EYPC)-sodium taurocholate TC) aggregates was investigated by using turbidity, quasi-elastic light-scattering (QELS) technique, Fourier transform infrared (FTIR) spectroscopy, and transmission electron microscopy (TEM). La3+ ions exert different effects on different EYPC-TC aggregates. The EYPC-TC mixed spheroidal micelles are stable in the presence of La3+ ions. The EYPC-TC vesicles are aggregated by the interaction of La3+ with the EYPC phosphate group. Particularly, La3+ causes structural transition of the EYPC-TC mixed disk micelles by changing the colloidal properties of TC. This process includes two steps, destruction of mixed disk micelles and formation of mixed spheroidal micelle. Several intermediate structures such as multi-lamellar vesicles and cylindrical micelles were observed during the transition. The experimental data and analysis in the current study suggest that metal ion is one of the important factors to control the structure of the EYPC-TC self-assemblies. And the possible influence of metal ions on the properties of bile biocolloid has been discussed. (C) 2008 Elsevier Inc. All rights reserved.
KeywordMixed Micelle Vesicle Structural Transition
DOI10.1016/j.jcis.2008.09.011
Indexed BySCI
Language英语
WOS IDWOS:000261042800023
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65122
Collection中国科学院化学研究所
Corresponding AuthorYang, Zhanlan
Affiliation1.Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.Chinese Acad Sci, State Key Lab Polymer Phys, Joint Lab Polymer Sci & Mat, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Chen, Huhe,Guo, Zhengduo,Yu, Fangting,et al. Influence of La3+ ions on the egg-yolk phosphatidylcholine and sodium taurocholate self-assemblies in aqueous suspension[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2008,328(1):158-165.
APA Chen, Huhe.,Guo, Zhengduo.,Yu, Fangting.,Qi, Jian.,Zhang, Li.,...&Xu, Guangxian.(2008).Influence of La3+ ions on the egg-yolk phosphatidylcholine and sodium taurocholate self-assemblies in aqueous suspension.JOURNAL OF COLLOID AND INTERFACE SCIENCE,328(1),158-165.
MLA Chen, Huhe,et al."Influence of La3+ ions on the egg-yolk phosphatidylcholine and sodium taurocholate self-assemblies in aqueous suspension".JOURNAL OF COLLOID AND INTERFACE SCIENCE 328.1(2008):158-165.
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