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Phys Rev E Stat Nonlin Soft Matter Phys. 2007 Feb;75(2 Pt 1):021112. Epub 2007 Feb 14.

Diffusion trajectory of an asymmetric object: information overlooked by the mean square displacement.

Author information

  • 1Inserm, U789, Biologie Cellulaire de la Synapse N&P, Paris, France. claire.ribrault@ens.fr

Abstract

Diffusion of an asymmetric object is characterized by its translational and rotational diffusion coefficients. Until now, anisotropic diffusion studies have been based on ensemble averages. Here we present a theoretical basis for the analysis of the trajectories of a single particle with anisotropic diffusion coefficients. We discuss the relevance of this method for motion of biomolecules in the membrane of living cells.

PMID:
17358318
DOI:
10.1103/PhysRevE.75.021112
[PubMed]
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