Effect of 2, 3‐Diphosphoglycerate on the Oxygen Affinity and on the Proton‐ and Carbamino‐Linked Oxygen Affinity of Hemoglobin in Human Whole Blood

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Abstract
Oxygen binding curves were determined, at two plasma pH values in the range 7.0–7.5, each at two pCOa values of 22 and 77 mm Hg, respectively, on human whole blood where the red cell 2,3‐diphosphoglycerate (DPG) concentration had been decreased to about 1 mmol/1 of packed cells and increased to about 9 mmol/1 of packed cells. Numerical values are given for the oxygen‐saturation‐dependant ligand interaction coefficients AlogpOzl ApH, AiogpOzl/llog/>C02 and /llog/)02//llogDPG and their dependance on pH, PCO2 and DPG, respectively.

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