Simple model for semipermeable membrane: Donnan equilibrium

Felipe Jiménez-Ángeles; Marcelo Lozada-Cassou

doi:10.1021/jp035829p

Simple model for semipermeable membrane: Donnan equilibrium

Felipe Jiménez-Ángeles, Marcelo Lozada-Cassou^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

We study a model for macroions in an electrolyte solution, confined by a semipermeable membrane. The membrane finite thickness is considered, and both membrane surfaces are uniformly charged. The model explicitly includes electrostatic and size particles correlations. Our study is focused on the adsorption of macroions on the membrane surface and on the osmotic pressure. The theoretical prediction for the osmotic pressure shows a good agreement with experimental results.

Original language	English (US)
Pages (from-to)	1719-1730
Number of pages	12
Journal	Journal of Physical Chemistry B
Volume	108
Issue number	5
DOIs	https://doi.org/10.1021/jp035829p
State	Published - Feb 5 2004
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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abstract = "We study a model for macroions in an electrolyte solution, confined by a semipermeable membrane. The membrane finite thickness is considered, and both membrane surfaces are uniformly charged. The model explicitly includes electrostatic and size particles correlations. Our study is focused on the adsorption of macroions on the membrane surface and on the osmotic pressure. The theoretical prediction for the osmotic pressure shows a good agreement with experimental results.",

author = "Felipe Jim{\'e}nez-{\'A}ngeles and Marcelo Lozada-Cassou",

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AU - Lozada-Cassou, Marcelo

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Y1 - 2004/2/5

N2 - We study a model for macroions in an electrolyte solution, confined by a semipermeable membrane. The membrane finite thickness is considered, and both membrane surfaces are uniformly charged. The model explicitly includes electrostatic and size particles correlations. Our study is focused on the adsorption of macroions on the membrane surface and on the osmotic pressure. The theoretical prediction for the osmotic pressure shows a good agreement with experimental results.

AB - We study a model for macroions in an electrolyte solution, confined by a semipermeable membrane. The membrane finite thickness is considered, and both membrane surfaces are uniformly charged. The model explicitly includes electrostatic and size particles correlations. Our study is focused on the adsorption of macroions on the membrane surface and on the osmotic pressure. The theoretical prediction for the osmotic pressure shows a good agreement with experimental results.

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JF - Journal of Physical Chemistry B

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Simple model for semipermeable membrane: Donnan equilibrium

Abstract

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