Bilayer swelling of nonionic surfactant and sodium dodecylsulfate mixed system by refractive-index matching
文献类型： 外文期刊
作者： Shen, Yuwen 2 ; Hoffmann, Heinz 3 ; Jiang, Lihua 1 ; Hao, Jingcheng 2 ; Liu, Zhaohui 1 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Agr Resources & Environm, Jinan 250100, Peoples R China
2.Shandong Univ, Minist Educ, Key Lab Colloid & Interface Chem, Jinan 250100, Peoples R China
3.Univ Bayreuth, Bayreuther Zentrum Kolloide & Grenzflachen, D-95446 Bayreuth, Germany
关键词： Bilayer swelling;Vesicle;Glycerin;Refractive index
期刊名称：COLLOID AND POLYMER SCIENCE （ 影响因子：1.931； 五年影响因子：1.87 ）
ISSN：
年卷期：
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收录情况： SCI
摘要： Bilayer swelling behavior of nonionic and anionic surfactant mixed aqueous solution induced by adding glycerin was studied. The phenomenon were performed on a system, polyethylene glycol ether of tridecyl alcohol with the average number of ethylene oxide of 5 (CH3(CH2)12(OCH2CH2)5OH; abbreviation IT5) and SDS mixed aqueous solution, with white cream of the upper phase and micelles (L1) of the lower phase. White cream containing densely packed multilamellar vesicles was revealed by freeze-fracture transmission electron microscopy and polarized microscope observations. Phase transition from white cream/L1, two-phase, to clear unique vesicle phase can be induced by adding glycerin to replace water. The addition of glycerin lowers the turbidity of the dispersion and swells the interlamellar distance between bilayers, which could be explained by refractive-index matching between solvent and bilayers.
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