Abstract
We extend a statistical thermodynamical mean field lattice theory for studying lipid bilayers to include curve shaped association colloids. The theory is based on a Flory-Huggins like approach in which inhomogeneities are accounted for. The principles are reviewed by Scheutjens et al. in these proceedings 1. Essentially, the equilibrium structure of aggregates of amphipolar molecules is found by a free energy minimization. We do not impose any restriction on the position or conformation of the amphipolar molecules, nor do we exclude solvent (water) from the aggregates. We, therefore, claim that this is the first approach that is able to describe equilibrium structures of micelles in some detail. It follows from our treatment that association of the apolar tails of the amphipolar molecules promote a phase separation. The head groups screen the micro phase from the solvent and a repulsive head tail interaction stabilizes the aggregates.
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© 1989 Plenum Press, New York
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Leermakers, F.A.M., van der Schoot, P.P.A.M., Scheut jens, J.M.H.M., Lyklema, J. (1989). The Equilibrium Structure of Micelles. In: Mittal, K.L. (eds) Surfactants in Solution. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-7984-7_3
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DOI: https://doi.org/10.1007/978-1-4615-7984-7_3
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