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Bending elasticity of charged surfactant layers: The effect of mixing
2006 (English)In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 22, no 16, 6796-6813 p.Article in journal (Refereed) Published
Abstract [en]

Expressions have been derived from which the spontaneous curvature (H-0), bending rigidity (k(c)), and saddle-splay constant ((k) over bar (c)) of mixed monolayers and bilayers may be calculated from molecular and solution properties as well as experimentally available quantities such as the macroscopic hydrophobic-hydrophilic interfacial tension. Three different cases of binary surfactant mixtures have been treated in detail: (i) mixtures of an ionic and a nonionic surfactant, (ii) mixtures of two oppositely charged surfactants, and (iii) mixtures of two ionic surfactants with identical headgroups but different tail volumes. It is demonstrated that k(c)H(0), k(c), and (k) over bar

Place, publisher, year, edition, pages
2006. Vol. 22, no 16, 6796-6813 p.
Keyword [en]
phase-behavior, spontaneous curvature, vesicle formation, aqueous mixtures, cationic surfactants, membranes, bilayer, thermodynamics, monolayers, model
URN: urn:nbn:se:kth:diva-15866ISI: 000239238100017OAI: diva2:333908
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Bergström, Lars Magnus
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