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Rheology of Active-Particle Suspensions

Hatwalne, Y and Ramaswamy, Sriram (2004) Rheology of Active-Particle Suspensions. In: Physical Review Letters, 92 (11). pp. 118101-1.

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Official URL: http://prola.aps.org/pdf/PRL/v92/i11/e118101

Abstract

We study the interplay of activity, order, and flow through a set of coarse-grained equations governing the hydrodynamic velocity, concentration, and stress fields in a suspension of active, energy-dissipating particles. We make several predictions for the rheology of such systems, which can be tested on bacterial suspensions, cell extracts with motors and filaments, or artificial machines in a fluid. The phenomena of cytoplasmic streaming, elastotaxis, and active mechanosensing find natural explanations within our model.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 19 Dec 2008 15:01
Last Modified: 19 Sep 2010 04:56
URI: http://eprints.iisc.ernet.in/id/eprint/17283

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