Tube width fluctuations in F-actin solutions

J. Glaser; D. Chakraborty; K. Kroy; I. Lauter; M. Degawa; N. Kirchgeßner; B. Hoffmann; R. Merkel; M. Giesen

doi:10.1103/PhysRevLett.105.037801

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

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.

Original language	English
Article number	037801
Journal	Physical Review Letters
Volume	105
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.105.037801
State	Published - Jul 13 2010
Externally published	Yes

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10.1103/PhysRevLett.105.037801

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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.",

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AU - Chakraborty, D.

AU - Kroy, K.

AU - Lauter, I.

AU - Degawa, M.

AU - Kirchgeßner, N.

AU - Hoffmann, B.

AU - Merkel, R.

AU - Giesen, M.

PY - 2010/7/13

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N2 - 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.

AB - 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.

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Tube width fluctuations in F-actin solutions

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