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Abstract: We propose a stochastic model for intracellular transport processesassociated with the activity of molecular motors. This out-of-equilibriummodel, based on a generalized Langevin equation, considers a particle immersedin a viscoelastic environment and simultaneously driven by an external randomforce that models the motors activity. An analytical expression for the meansquare displacement is derived, which exhibits a subdiffusive to superdiffusivetransition. We show that the experimentally accessible statistical propertiesof the diffusive particle motion can be reproduced by this model.



Autor: L. Bruno, M. A. Despósito

Fuente: https://arxiv.org/



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