Potassium channels are transmembrane proteins that selectively allow K + ions to pass from one side of the membrane to the other. Most K+ channels exhibit a property termed rectification, which as a general physical term refers to a voltage dependence of conductance or resistance. In the context of biophysical studies of ion channels, this term is used to describe a voltage dependence of macroscopic currents in which currents through an ion channel flow preferentially into the cell (inward rectification) or out of the cell (outward rectification).

Original languageEnglish
Title of host publicationPolyamine Cell Signaling
Subtitle of host publicationPolyamine Cell Signaling
PublisherHumana Press
Number of pages14
ISBN (Print)9781588296252
StatePublished - Dec 1 2006


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