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Active diffusion of motor particles.

Authors
  • Klumpp, Stefan
  • Lipowsky, Reinhard
Type
Published Article
Journal
Physical review letters
Publication Date
Dec 31, 2005
Volume
95
Issue
26
Pages
268102–268102
Identifiers
PMID: 16486411
Source
Medline
License
Unknown

Abstract

The movement of motor particles consisting of one or several molecular motors bound to a cargo particle is studied theoretically. The particles move on patterns of immobilized filaments. Several patterns are described for which the motor particles undergo nondirected but enhanced diffusion. Depending on the walking distance of the particles and the mesh size of the patterns, the active diffusion coefficient exhibits three different regimes. For micrometer-sized motor particles in water, e.g., this diffusion coefficient can be enhanced by 2 orders of magnitude.

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