Word: refrozen
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Dates: during 1965-1965
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...Pool learned that frozen plasma, when slowly thawed, leaves behind a residue rich in antihemophilic globulin (AHG), the protein that is lacking in the blood of hemophiliacs. Spun in a centrifuge, the protein can be concentrated further. Refrozen, it can be stored for relatively long periods in sterile plastic bags. Thus far the AHG concentrate, which is being prepared by a pair of San Francisco-area blood banks, has been used successfully on 14 patients in four California hospitals. Researchers may some day learn how to help hemophiliacs make their own AHG, perhaps through transplants of AHG-producing tissue...