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Colloid Electrophoresis for Strong and Weak Ion Diffusivity
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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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GIUPPONI, Giovanni and PAGONABARRAGA MORA, Ignacio. Colloid Electrophoresis for Strong and Weak Ion Diffusivity. Physical Review Letters. 2011. Vol. 106, num. 24, pags. 248304. ISSN 0031-9007. [consulted: 9 of June of 2026]. Available at: https://hdl.handle.net/2445/135891