Journal Article

PreJuSER-12785

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Tube Width Fluctuations in F-actin Solutions

Glaser, J. ; Chakroborty, D. ; Kroy, K. ; Lauter, I.FZJ* ; Degawa, M. ; Kirchgeßner, N.FZJ* ; Hoffmann, B.FZJ* ; Merkel, R.FZJ* ; Giesen, M.FZJ*

2010
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/7265  doi:10.1103/PhysRevLett.105.037801

Abstract: We determine the statistics of the local tube width in F-actin solutions, beyond the usually reported mean value. Our experimental observations are explained by a segment fluid theory based on the binary collision approximation. In this systematic generalization of the standard mean-field approach, effective polymer segments interact via a potential representing the topological constraints. The analytically predicted universal tube width distribution with a stretched tail is in good agreement with the data.

Keyword(s): J

Note: This work was supported by the Deutsche Forschungsgemeinschaft (DFG) through FOR 877 and the Leipzig School of Natural Sciences-Building with Molecules and Nano-objects. M. D. acknowledges financial support by the Alexander von Humboldt foundation.

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Contributing Institute(s):

1. Biomechanik (IBN-4)
2. Biomechanik (ICS-7)

Research Program(s):

1. BioSoft: Makromolekulare Systeme und biologische Informationsverarbeitung (P45)

Appears in the scientific report 2010

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