Ionic conductivity of electroporated lipid bilayer membranes

Kakorin S, Neumann E (2002)
BIOELECTROCHEMISTRY 56(1-2): 163-166.

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Abstract / Bemerkung
The ionic conductivity of lipid membrane pores has been theoretically analysed in terms of electrostatic interactions of the transported ions with the low-dielectric pore wall for a commonly encountered case of unequal concentrations of electrolyte on the two sides of curved lipid membranes. Theoretical analysis of the data on the conductivity of the electroporated membrane of lipid vesicles (Lecithin 20%) of radius a=90 nm yields the molar energy of interaction of a small monovalent ion with a pore wall w(0)=9+/-1 RT (or w(0)=22+/-kJ mol(-1)), corresponding to a mean pore radius of (r) over bar (p)=0.56+/-0.05 nm. The proposed theoretical approach provides a tool for the analysis and description of the nonlinear current-voltage dependencies in membrane pores and channels. (C) 2002 Published by Elsevier Science B.V.
Stichworte
Nernst-Planck equation; LambertW; conductometry; electrooptics; lipid vesicles; electroporation; function
Erscheinungsjahr
2002
Band
56
Ausgabe
1-2
Seite(n)
163-166
ISSN
1567-5394
Page URI
https://pub.uni-bielefeld.de/record/1614182

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Kakorin S, Neumann E. Ionic conductivity of electroporated lipid bilayer membranes. BIOELECTROCHEMISTRY. 2002;56(1-2):163-166.
Kakorin, S., & Neumann, E. (2002). Ionic conductivity of electroporated lipid bilayer membranes. BIOELECTROCHEMISTRY, 56(1-2), 163-166. doi:10.1016/S1567-5394(02)00040-3
Kakorin, S., and Neumann, E. (2002). Ionic conductivity of electroporated lipid bilayer membranes. BIOELECTROCHEMISTRY 56, 163-166.
Kakorin, S., & Neumann, E., 2002. Ionic conductivity of electroporated lipid bilayer membranes. BIOELECTROCHEMISTRY, 56(1-2), p 163-166.
S. Kakorin and E. Neumann, “Ionic conductivity of electroporated lipid bilayer membranes”, BIOELECTROCHEMISTRY, vol. 56, 2002, pp. 163-166.
Kakorin, S., Neumann, E.: Ionic conductivity of electroporated lipid bilayer membranes. BIOELECTROCHEMISTRY. 56, 163-166 (2002).
Kakorin, Sergej, and Neumann, Eberhard. “Ionic conductivity of electroporated lipid bilayer membranes”. BIOELECTROCHEMISTRY 56.1-2 (2002): 163-166.

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