Institute for Physics & Astronomy, University of Potsdam , 14476 Potsdam-Golm, Germany.
IAS-2 Institute, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany.
J Phys Chem B. 2017 Aug 10;121(31):7484-7491. doi: 10.1021/acs.jpcb.7b02440. Epub 2017 Jul 31.
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.
在双组分二十面体泡囊的表面上，晶态物质的分区有什么特点？我们对刚性的几乎不可拉伸的晶状二十面体在其表面添加较软成分时的响应进行建模。我们展示了软相如何“入侵”具有最高弹性能量密度的壳区，约 12 个五重拓扑缺陷。我们研究了这些非均匀壳的相图作为软材料分数、壳半径和两相弹性模量的函数。研究结果与最近的计算机模拟结果进行了比较，并讨论了其生物学意义，例如对于二十面体病毒的结构。
