Abstract
Diffuse interface (phase field) models are developed for multi-component vesicle membranes with different lipid compositions and membranes with free boundary. These models are used to simulate the deformation of membranes under the elastic bending energy and the line tension energy with prescribed volume and surface area constraints. By comparing our numerical simulations with recent biological experiments, it is demonstrated that the diffuse interface models can effectively capture the rich phenomena associated with the multi-component vesicle transformation and thus offering great functionality in their simulation and modelling.
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This research is supported in part by NSF-DMS 0409297 and NSF-ITR 0205232. Part of the work was performed while the first author was supported by the Institute for Mathematics and its Applications at the University of Minnesota.
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Wang, X., Du, Q. Modelling and simulations of multi-component lipid membranes and open membranes via diffuse interface approaches. J. Math. Biol. 56, 347–371 (2008). https://doi.org/10.1007/s00285-007-0118-2
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DOI: https://doi.org/10.1007/s00285-007-0118-2
Keywords
- Vesicle membrane
- Lipid bilayer
- Multi-component membrane
- Open membrane
- Phase field model
- Diffuse interface model
- Numerical simulation