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Transition from small to big charged unilamellar vesicles
Authors:J Oberdisse
Institution:(1) Laboratoire Léon Brillouin, CEA-CNRS, CE-Saclay, 91191 Gif-sur-Yvette Cedex, France, FR
Abstract:The transition from small to big unilamellar vesicles predicted by a Poisson-Boltzmann Cell Model for the thermodynamics of a dilute phase of unilamellar charged vesicles is characterized. The radius as a function of experimental parameters is calculated and the coexistence region of small and big vesicles is identified. We further investigate the physical meaning in terms of simplified models, which allow for an identification of the role of parameters like the surface charge density or the Debye-length. Connections to experiments are discussed. Received: 20 October 1997 / Received in final form: 9 February 1998 / Accepted: 9 March 1998
Keywords:PACS  05  70  Ce Thermodynamic functions and equations of state[:AND:] 82  65  Dp Thermodynamics of surfaces and interfaces -          82  70  Dd Colloids
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