5 years ago

Shape Morphologies of Icosahedral Two-Component Vesicles

Shape Morphologies of Icosahedral Two-Component Vesicles
Andrey G. Cherstvy
What are the features of partitioning of crystalline materials on the surface of a two-component icosahedral vesicle? We model the response of the rigid hardly stretchable crystalline icosahedra upon addition of a softer component on its surface. We demonstrate how the soft phase “invades” the shell regions with the highest elastic energy density around 12 5-fold topological defects. We explore the phase diagram of these inhomogeneous shells as a function of the soft material fraction, shell radius, and elastic moduli of the two phases. The findings are compared with the recent computer simulation findings, and their biological relevance, for example, for the structure of icosahedral viruses, is also discussed.

Publisher URL: http://dx.doi.org/10.1021/acs.jpcb.7b02440

DOI: 10.1021/acs.jpcb.7b02440

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