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Templated virus deposition: from molecular-scale force measurements to kinetic Monte Carlo simulations

机译:模板化病毒沉积:从分子尺度力测量到动力学蒙特卡罗模拟

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The use of macromolecular scaffolds for hierarchical organization of molecules and materials is a common strategy in living systems that leads to emergent behavior. Here we describe an effort to relate interaction force measurements between viruses and modified substrates to the energy landscape during virus assembly on surfaces. Potentials and binding energies are then used in kinetic Monte Carlo simulations to predict assembly morphology under controlled conditions replicated experimentally. We use atomic force microscope (AFM) tips functionalized with specific chemical species to measure interactions in the assembly system, which includes Cow Pea Mosaic Virus (CPMV) CPMV virus particles were engineered to express specific functional groups to modulate the strength and kinetics of interactions and assembly morphology. We show that the CPMV morphological evolution predicted by the simulations correlates with AFM observations Keywords: virus, force, monte carlo, energy, assembly
机译:用于分子和材料的分层组织的大分子支架是一种导致紧急行为的生活系统中的常见策略。在这里,我们描述了在表面上的病毒组件期间将病毒和修改的基板之间的相互作用力测量相关的努力。然后将电位和结合能在动力学蒙特卡罗模拟中用于预测实验复制的受控条件下的组装形态。我们使用用特定化学物质官能化的原子力显微镜(AFM)提示来测量组装系统中的相互作用,包括牛豌豆马赛克病毒(CPMV)CPMV病毒颗粒被设计成表达特定官能团以调节相互作用的强度和动力学和组装形态。我们表明,模拟预测的CPMV形态演进与AFM观察相关关键词:病毒,力,蒙特卡罗,能量,组装

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