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TRANSVERSE IMPEDANCE OF THE SQUID GIANT AXON DURING CURRENT FLOW

The change in the transverse impedance of the squid giant axon caused by direct current flow has been measured at frequencies from 1 kc. per second to 500 kc. per second. The impedance change is equivalent to an increase of membrane conductance at the cathode to a maximum value approximately the sam...

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Detalles Bibliográficos
Autores principales: Cole, Kenneth S., Baker, Richard F.
Formato: Texto
Lenguaje:English
Publicado: The Rockefeller University Press 1941
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2237985/
https://www.ncbi.nlm.nih.gov/pubmed/19873233
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author Cole, Kenneth S.
Baker, Richard F.
author_facet Cole, Kenneth S.
Baker, Richard F.
author_sort Cole, Kenneth S.
collection PubMed
description The change in the transverse impedance of the squid giant axon caused by direct current flow has been measured at frequencies from 1 kc. per second to 500 kc. per second. The impedance change is equivalent to an increase of membrane conductance at the cathode to a maximum value approximately the same as that obtained during activity and a decrease at the anode to a minimum not far from zero. There is no evidence of appreciable membrane capacity change in either case. It then follows that the membrane has the electrical characteristics of a rectifier. Interpreting the membrane conductance as a measure of ion permeability, this permeability is increased at the cathode and decreased at the anode.
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spelling pubmed-22379852008-04-23 TRANSVERSE IMPEDANCE OF THE SQUID GIANT AXON DURING CURRENT FLOW Cole, Kenneth S. Baker, Richard F. J Gen Physiol Article The change in the transverse impedance of the squid giant axon caused by direct current flow has been measured at frequencies from 1 kc. per second to 500 kc. per second. The impedance change is equivalent to an increase of membrane conductance at the cathode to a maximum value approximately the same as that obtained during activity and a decrease at the anode to a minimum not far from zero. There is no evidence of appreciable membrane capacity change in either case. It then follows that the membrane has the electrical characteristics of a rectifier. Interpreting the membrane conductance as a measure of ion permeability, this permeability is increased at the cathode and decreased at the anode. The Rockefeller University Press 1941-03-20 /pmc/articles/PMC2237985/ /pubmed/19873233 Text en Copyright © Copyright, 1941, by The Rockefeller Institute for Medical Research This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).
spellingShingle Article
Cole, Kenneth S.
Baker, Richard F.
TRANSVERSE IMPEDANCE OF THE SQUID GIANT AXON DURING CURRENT FLOW
title TRANSVERSE IMPEDANCE OF THE SQUID GIANT AXON DURING CURRENT FLOW
title_full TRANSVERSE IMPEDANCE OF THE SQUID GIANT AXON DURING CURRENT FLOW
title_fullStr TRANSVERSE IMPEDANCE OF THE SQUID GIANT AXON DURING CURRENT FLOW
title_full_unstemmed TRANSVERSE IMPEDANCE OF THE SQUID GIANT AXON DURING CURRENT FLOW
title_short TRANSVERSE IMPEDANCE OF THE SQUID GIANT AXON DURING CURRENT FLOW
title_sort transverse impedance of the squid giant axon during current flow
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2237985/
https://www.ncbi.nlm.nih.gov/pubmed/19873233
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