Summary
Studies on the main cation content of density-separated bovine erythrocytes showed a progressive decrease in the levels of K+ and Mg2+ with increasing cell density (and age) accompanied by an increase in the level of Na+. The magnitude of net cation loss corresponded to that of red cell volume decrease, but could not account for the total increase in the microviscosity of the erythrocyte interior.
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Bartosz, G., Świerczyński, B. & Gondko, R. Aging of the erythrocyte. III. Cation content. Experientia 37, 723–724 (1981). https://doi.org/10.1007/BF01967945
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DOI: https://doi.org/10.1007/BF01967945