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How Far Do Membrane Potentials Extend in Space Beyond the Membrane Itself?

Abstract:
The dynamic Nernst-Planck-Poisson equations are used to describe a model system in which an infinitesimal partially permeable membrane separates two different ionic solutions which extend freely in either direction. The spatial extent of the resulting potential difference is assessed, and we demonstrate that non-zero electric field may extend several nanometres into solution, outside the membrane itself. This latter effect is not considered by traditional theories of membrane potentials. © 2010 by ESG.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE More from this journal
Volume:
5
Issue:
11
Pages:
1527-1534
Publication date:
2010-11-01
EISSN:
1452-3981
ISSN:
1452-3981
Language:
English
Keywords:
UUID:
uuid:0803a1c3-4623-4851-9808-fc09f89fb1d4
Local pid:
pubs:103741
Source identifiers:
103741
Deposit date:
2012-12-19

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