Dynamics of non-equilibrium membrane bud formation

Details Dynamics of non-equilibrium membrane bud formation Dynamics of non-equilibrium membrane bud formation

2003-04-08

arxiv.org/abs/cond-mat/0304188v2

Physics

Condensed Matter

Soft Condensed Matter

7 pages 3 figures

Scientific paper

10.1103/PhysRevLett.93.108103

The dynamical response of a lipid membrane to a local perturbation of its molecular symmetry is investigated theoretically. A density asymmetry between the two membrane leaflets is predominantly released by in-plane lipid diffusion or membrane curvature, depending upon the spatial extent of the perturbation. It may result in the formation of non-equilibrium structures (buds), for which a dynamical size selection is observed. A preferred size in the micrometer range is predicted, as a signature of the crossover between membrane and solvent dominated dynamical membrane response.

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