Journal
JOURNAL OF MEMBRANE BIOLOGY
Volume 240, Issue 1, Pages 47-53Publisher
SPRINGER
DOI: 10.1007/s00232-011-9341-2
Keywords
Chronopotentiometry; Bilayer lipid membrane; Phosphatidylcholine; Capacitance; Resistance
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The basic electrical parameters of bilayer lipid membranes are capacitance and resistance. This article describes the application of chronopotentiometry to the research of lipid bilayers. Membranes were made from egg yolk phosphatidylcholine. The chronopotentiometric characteristic of the membranes depends on the current value. For low current values, no electroporation takes place and the voltage rises exponentially to a constant value. Based on these kinds of chronopotentiometric curves, a method of the membrane capacitance and the membrane resistance calculations are presented.
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