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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b03896
|2 doi
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|a eng
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|a Bharti
|e verfasserin
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|a Analytic Expression for Electrophoretic Mobility of Soft Particles with a Hydrophobic Inner Core at Different Electrostatic Conditions
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|c 2020
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 01.04.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a This paper presents a simplified model for the electrophoresis of a soft particle with a nonwettable rigid core with charged polyelectrolyte corona under a weak-field and low-charge density consideration. We have derived a closed form solution for the mobility, which reduces to the well-known expressions for mobility as derived by Ohshima for limiting cases such as a hydrophilic charged core coated with an uncharged polymer (Ohshima, H. J. Colloid Interface Sci. 2002, 252, 119-125) or an uncharged no-slip core coated with a polyelectrolyte layer (Ohshima, H. Electrophoresis 2006, 27, 526-533). The generalized mobility expression reduces to the existing expression for mobility of a rigid hydrophobic colloid as the soft layer shrinks to zero. The general form of the mobility expression involves elliptic integrals, which can be computed easily through a software like Mathematica. We have derived analytical solutions for mobility pertaining to several particular cases. The occurrence of mobility reversal when the core and polyelectrolyte layer has a charge of opposite polarity is demonstrated in this paper
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|a Journal Article
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|a Gopmandal, Partha P
|e verfasserin
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|a Bhattacharyya, Somnath
|e verfasserin
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|a Ohshima, Hiroyuki
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 36(2020), 12 vom: 31. März, Seite 3201-3211
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|g volume:36
|g year:2020
|g number:12
|g day:31
|g month:03
|g pages:3201-3211
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|u http://dx.doi.org/10.1021/acs.langmuir.9b03896
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