Membrane Electrical Noise in Chara corallina | Zendy

Stephen Ross | Zendy; J. Dainty | Zendy

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Membrane Electrical Noise in Chara corallina

Author(s) -

Stephen Ross,

J. Dainty

Publication year - 1985

Publication title -

plant physiology

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.79.4.1021

Subject(s) - chara , noise (video) , vacuole , membrane , biophysics , microelectrode , chemistry , membrane potential , botany , biology , analytical chemistry (journal) , biochemistry , chromatography , electrode , computer science , artificial intelligence , cytoplasm , image (mathematics)

Some aspects of the membrane physiology of the giant-celled alga Chara corallina have been studied using the techniques of membrane noise analysis. Cellular voltage noise was measured by means of a microelectrode inserted in the vacuole of the cell. The significant feature of spectra estimated from voltage noise signals in these cells was a low-frequency component possibly associated with the active, electrogenic proton pumping which occurs in these cells. The effect of high external pH is described.

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