Anomalous Diffusion Probes Microstructure Dynamics of Entangled F-Actin Networks

Wong, Ian Y.; Gardel, M. L.; Reichman, David R.; Weeks, Eric R.; Valentine, Megan T.; Bausch, Andreas R.; Weitz, David A.

doi:10.1103/physrevlett.92.178101

articlePhysical Review LettersApr 29, 2004Closed access

Anomalous Diffusion Probes Microstructure Dynamics of Entangled F-Actin Networks

IYIan Y. Wong MLM. L. Gardel DRDavid R. Reichman EREric R. Weeks MTMegan T. Valentine

Harvard University · Emory University · +1 more institution

PubMed

Indexed incrossrefpubmed

Abstract

We study the thermal motion of colloidal tracer particles in entangled actin filament (F-actin) networks, where the particle radius is comparable to the mesh size of the F-actin network. In this regime, the ensemble-averaged mean-squared displacement of the particles is proportional to tau(gamma), where 0

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Topics & keywords

Topics

Keywords

Mean squared displacement
RADIUS
Protein filament
Physics
Diffusion
Anomalous diffusion
Particle (ecology)
Displacement (psychology)

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