Statistical Mechanics of Semiflexible Polymers: Theory and Experiment
Erwin Frey, Klaus Kroy, Jan Wilhelm, Erich Sackmann
Abstract
We review the physical properties of macromolecular networks, consisting of semiflexible polymers such as actin. We start by giving a theoretical analysis of the conformational statistics and mechanical response of single filaments. Experimentally relevant quantities such as the end-to-end distribution function and the force-extension relation are discussed. The results are used to analyze the elastic modulus of an entangled solution of such objects. We also discuss the short time and long time (terminal regime) dynamics and compare our results with recent dynamic light scattering and viscoelastic measurements. Furthermore, we analyze the elasticity transition in stochastic models of crosslinked networks.
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