MedicineHematologyHematology PhysiologyLyophilizationTransfusion MedicineBlood PreservationBlood StorageCell CryopreservationThawing ProceduresCryopreservation Of Blood ProductsFreezing PreservationGlycerol-based CryoprotectantsGlycerol-based Freezing
The preservation of blood by freezing is an urgent national problem. The current three-week limit for storage of blood at + 4 C does not permit statistical equilibration of supply and demand and causes alternating periods of surplus and shortage in blood banks throughout the country. In no event can blood be stockpiled conveniently for civilian emergencies, or mass casualty situations. Polge, Smith, and Parkes<sup>1</sup>found a solution to many of the problems faced by living cells at low temperatures when they discovered the remarkable ability of glycerol to protect fowl spermatozoa against death during slow freezing and thawing. Smith<sup>2</sup>later reported that glycerol afforded similar protection to human erythrocytes. Many techniques have since been developed to freeze blood in the presence of glycerol and satisfactory preservation of erythrocytes has resulted. Haynes et al at the US Naval Hospital, Chelsea, Mass, have demonstrated a number of clinical advantages of
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Prevention of Freezing Damage to Living Cells by Dimethyl Sulphoxide
J. E. Lovelock, MARCUS W. H. BISHOP · Nature · 1959 · 956 citations