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Title: Colloid Electrophoresis for Strong and Weak Ion Diffusivity
Author: Giupponi, Giovanni
Pagonabarraga Mora, Ignacio
Keywords: Física de partícules
Particle physics
Issue Date: 17-Jun-2011
Publisher: American Physical Society
Abstract: We study the electrophoretic flow of suspensions of charged colloids with a mesoscopic method that allows us to model generic experimental conditions. We show that for highly charged colloids their electrophoretic mobility increases significantly and displays a mobility maximum on increasing the colloidal charge for all salt concentrations. The electrophoretic mobility of highly charged colloids is also enhanced significantly when ion advection is dominant, leading to a strong heterogeneity in the local electrophoretic response especially at low-salt concentration, when ion diffuse layers overlap.
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It is part of: Physical Review Letters, 2011, vol. 106, num. 24, p. 248304
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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