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Microscopic Model for Mixed Surfactant Vesicles

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D. Duque,^† P. Tarazona,^†^‡ and E. Chacón*^§

Departamento de Física Teórica de la Materia Condensada and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid, E-28049 Madrid, Spain, and Instituto de Ciencia de Materiales, Consejo Superior de Investigaciones Científicas, E-28049 Madrid, Spain

Langmuir, 1998, 14 (24), pp 6827–6834

DOI: 10.1021/la980711z

Publication Date (Web): November 7, 1998

Section:

Surface Chemistry and Colloids

Abstract

A microscopic model which has proven useful in describing amphiphilic aggregates as inhomogeneities of a fluid is extended here to study the case of a two-component surfactant mixture. We have chosen an effective interaction between the amphiphiles that mimics the mixture of cationic−anionic surfactants. In agreement with experiments, and other theoretical approaches, we find regions where spherical vesicles are stable, with a well-defined radius. The experimental dependence of the radius on the chemical environment is also qualitatively reflected in our model.

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Self-Assembled Films Formed at the Air–Water Interface from CTAB/SDS Mixtures with Water-Soluble Polymers
Karen J. Edler, Matthew J. Wasbrough, James A. Holdaway and Benjamin M. D. O’Driscoll
Langmuir2009 25 (7), 4047-4055
- Self-Assembled Films Formed at the Air–Water Interface from CTAB/SDS Mixtures with Water-Soluble Polymers
  Karen J. Edler, Matthew J. Wasbrough, James A. Holdaway and Benjamin M. D. O’Driscoll
  Langmuir2009 25 (7), 4047-4055
  We have investigated the spontaneous self-assembly of solid, mesostructured films that form at the air−solution interface on solutions containing a neutral water-soluble polymer and catanionic surfactant mixtures of hexadecyltrimethylammonium bromide (...
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Reactions of Singlet Oxygen with Olefins and Sterically Hindered Amine in Mixed Surfactant Vesicles
Hong-Ru Li, Li-Zhu Wu, and Chen-Ho Tung
Journal of the American Chemical Society2000 122 (11), 2446-2451
- Reactions of Singlet Oxygen with Olefins and Sterically Hindered Amine in Mixed Surfactant Vesicles
  Hong-Ru Li, Li-Zhu Wu, and Chen-Ho Tung
  Journal of the American Chemical Society2000 122 (11), 2446-2451
  The photosensitized oxidations of the olefins, trans-1,2-dimethoxystilbene (DMOS), trans-stilbene (TS), and trans,trans-1,4-diphenyl-1,3-butadiene (DPB) as well as the amine 2,2,6,6-tetramethylpiperidine (TMP) in mixed surfactant vesicles were ...
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