. Ciba Foundation colloquia on ageing. Old age; Aging; Animals -- growth & development. Human Red Cell Instability and Senescence 227 (1954), as are the death rates of the cells. The diffusion was calculated from the formula given by Einstein (1926), D RT 67a]r where D = the diffusion rate, T the absolute temperature, R the gas constant, tq the viscosity of the medium, and r the radius HAEMOLYSIS. 20 0 -20 -40 -60 TEMPERATURE CO 80 Fig. 8. The relative rates of diffusion, glycolysis, spon- taneous haemolysis and death of red cells at temper- atures between +40° and —78-5°. The values indi-


. Ciba Foundation colloquia on ageing. Old age; Aging; Animals -- growth & development. Human Red Cell Instability and Senescence 227 (1954), as are the death rates of the cells. The diffusion was calculated from the formula given by Einstein (1926), D RT 67a]r where D = the diffusion rate, T the absolute temperature, R the gas constant, tq the viscosity of the medium, and r the radius HAEMOLYSIS. 20 0 -20 -40 -60 TEMPERATURE CO 80 Fig. 8. The relative rates of diffusion, glycolysis, spon- taneous haemolysis and death of red cells at temper- atures between +40° and —78-5°. The values indi- cated for temperatures above 0° are for aqueous media, below 0° sufficient glycerol was always present to main- tain the cells in liquid suspension. of the diffusing molecule. For a given molecular species this T relationship indicates that D is proportional to —. The relative rates of diffusion shown in the diagram are for the values appropriate to the glycerol concentrations and tem- peratures used. The viscosities of glycerol solutions at. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ciba Foundation; Wolstenholme, G. E. W. (Gordon Ethelbert Ward). Boston, Little, Brown


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