Subdiffusion and anomalous local viscoelasticity in actin networks

F. Amblard, A. C. Maggs, B. Yurke, A. N. Pargellis, S. Leibler

Research output: Contribution to journalArticlepeer-review

434 Scopus citations

Abstract

We use magnetic tweezers to study local viscoelastic response in filamentous actin networks. The choice of magnetic, colloidal particles of varying size allows us to explore properties on the relevant micron and submicron scales. At these scales the mechanical response is determined by the bending properties of individual filaments and described by an anomalous power-law behavior. In the absence of external forces the particles exhibit a subdiffusive motion.

Original languageEnglish
Pages (from-to)4470-4473
Number of pages4
JournalPhysical Review Letters
Volume77
Issue number21
DOIs
StatePublished - 1996
Externally publishedYes

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