Measurement of the sodium membrane potential by NMR

Using nuclear magnetic resonance (NMR), we have developed a method of noninvasively determining the transmembrane sodium potential in erythrocytes by measuring intracellular and extracellular sodium concentrations. The experimental values correlated well with values obtained from standard flame phot...

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Veröffentlicht in:	FEBS letters 1985-05, Vol.184 (1), p.130-133
Hauptverfasser:	Cowan, Barrett E., Sze, Daniel Y., Mai, Michael T., Jardetzky, Oleg
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Cell membranes. Ionic channels. Membrane pores Cell structures and functions Erythrocyte Membrane - physiology erythrocytes Fundamental and applied biological sciences. Psychology Humans Magnetic Resonance Spectroscopy man Membrane potential Membrane Potentials Molecular and cellular biology N.M.R NMR Paramagnetic shift reagent sodium Sodium - blood
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Zusammenfassung:	Using nuclear magnetic resonance (NMR), we have developed a method of noninvasively determining the transmembrane sodium potential in erythrocytes by measuring intracellular and extracellular sodium concentrations. The experimental values correlated well with values obtained from standard flame photometric methods.
ISSN:	0014-5793 1873-3468
DOI:	10.1016/0014-5793(85)80668-2