Volume 37, Number 3, January III 1997
|Page(s)||231 - 235|
|Section||Cross-disciplinary physics and related areas of science and technology|
|Published online||01 September 2002|
An electro-osmotic instability in biological cells
Institut Curie, UMR 168 - 11 rue Pierre et Marie Curie 75005 Paris, France
2 IRPHE, UMR 138 Universités Aix-Marseille 1 et 2, Centre de Saint-Jerôme - 13397 Marseille, France
3 Laboratoire de Physique des Solides, Bât. 510 Université Paris-Sud - 91405 Orsay, France
Accepted: 14 December 1996
The development of ionic currents during the growth of biological cells contributes to the generation of spatial order. A new instability is proposed to describe such phenomenon. The mechanism triggering the instability is based on electro-osmosis flow which generates aggregation of channels or pumps. The onset of unstable modes and the dispersion relation are determined and a comparison with a biological cell is provided.
PACS: 87.22.-q – Physics of cellular and physiological processes / 87;45.-k – Biomechanics, biorheology, and biological fluid dynamics
© EDP Sciences, 1997
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