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  • Title: Erythrocyte membrane potentials determined by hydrogen ion distribution.
    Author: Macey RI, Adorante JS, Orme FW.
    Journal: Biochim Biophys Acta; 1978 Sep 22; 512(2):284-95. PubMed ID: 30483.
    Abstract:
    If the extracellular fluid is left unbuffered, dynamic membrane potential changes in the red blood cell may be determined from external pH readings. For some types of experiments it is necessary to accelerate H+ equilibration by adding minute amounts of hydrogen carriers. The method is independent of hematocrit over a wide range of membrane potential changes. Membrane potential jumps produced by permeability changes or by changes in ionic composition may be measured. The method provides a convenient means of measuring parameters of both the conductive and non-conductive anion pathways in the red cell.
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