The physics of active membranes

Ramaswamy, Sriram ; Rao, Madan (2001) The physics of active membranes Comptes Rendus de l’Académie des Sciences, 2 (6). pp. 817-839. ISSN 1296-2147

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S12962...

Related URL: http://dx.doi.org/10.1016/S1296-2147(01)01226-4

Abstract

We review recent work on the physical properties of model fluid membranes in nonequilibrium situations resembling those encountered in the living cell and contrast their properties with those of the more familiar membranes at thermal equilibrium. We survey models for the effect of (i) active pumps and (ii) active fission-fusion processes encountered in intracellular trafficking on the stability and fluctuations of fluid membranes. Our purpose is twofold: to highlight the exciting nonequilibrium phenomena that arise in biological systems, and to show how some crucial features of living systems, namely dissipative energy uptake and directed motion, can fruitfully be incorporated into physical models of biological interest.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Biophysics; Membranes; Nonequilibrium Fluctuations; Active Pumps; Trafficking
ID Code:39903
Deposited On:19 May 2011 10:32
Last Modified:19 May 2011 10:32

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