Publication details

Měření membranového poteciálu

Title in English Measuremenmt of the membrane potential
Authors

SMIEŠKOVÁ Diana HÁLEK Jan VETTERL Vladimír

Year of publication 2001
Type Article in Proceedings
Conference Book of Abstracts, XXIV.dny lékařské biofyziky
MU Faculty or unit

Faculty of Science

Citation
Field Biophysics
Keywords membrane potential; membrane permeability; ohmic resistivity of membrane;
Description Cell membranes have different permeabilty for different ions. From electrical point of view membrane can be represented by a condensator of capacitance C and loss factor. These parameters and /or the membrane impedance can be measured. The loss factor depends on the permeability of the membrane. Artificial bilayer phospholipid membranes have thickness of about 7 nm and a very high ohmic resistivity, up to 10 Mohm.cm2.
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