Lattice analogy of area-difference elasticity model for lipid-detergent bilayer vesiculation

Details Lattice analogy of area-difference elasticity model for lipid-detergent bilayer vesiculation Lattice analogy of area-difference elasticity model for lipid-detergent bilayer vesiculation

2006-04-02

arxiv.org/abs/cond-mat/0604021v2

Physics

Condensed Matter

Soft Condensed Matter

2 figs, fig. 1 and title changed, after correction and titled "Numerical version of area-difference elasticity model for lipid

Scientific paper

The vesiculation process was examined in the lipid-detergent solution (dimyristoyl-sn-glycero-phoshatidylcholine/octaethylleneglycol n-dodecyl ether/water), using small-angle neutron scattering experiments \cite{1}. When observing vesiculation proceeds from rod-like micelles to unilamellar vesicles, the transformation is induced by jump-like temperature increase and a monotonic increase in detergent concentration. Our numerical estimations of the vesicle shape parameters (the elasticity coefficients and its fraction on a macroscopic scale) are based upon the area-difference elasticity model \cite{2, 3}. Thus, we composed the numerical Monte Carlo method, which connects the macroscopic and microscopic scales by the concept of self-avoiding random surfaces.

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