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Changes of oxygen affinity of hemoglobin were studied in blood preserved in different conditions. Changes in hemoglobin function were least in CPD blood in plastic bags, and more extensive in ACD blood in plastic bags, ACD packed red blood cells in plastic bags and ACD blood in glass bottles, respectively. These decreases are consistent with the changes of organic phosphates levels during storage found in earlier studies. When old erythrocytes were incubated with inosine, pyruvate and phosphate, defective oxygen transport function was completely restored even after 7 weeks storage in ACD.
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Sasakawa et al. (1978) studied this question.
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