초록 ▼

A frozen proteinaceous mass comprising blood platelets coated with glycerol-glucose, the frozen mass prepared by a process comprising: A. Contacting blood platelets with an aqueous saline solution containing 4 to 7 weight percent glycerol and glucose 2 to 6 weight percent in an at least 5 : 1 volume

A frozen proteinaceous mass comprising blood platelets coated with glycerol-glucose, the frozen mass prepared by a process comprising: A. Contacting blood platelets with an aqueous saline solution containing 4 to 7 weight percent glycerol and glucose 2 to 6 weight percent in an at least 5 : 1 volume to volume solution : platelet ratio; B. Removing supernatant liquid; C. Concentrating platelets to about 20 mg platelets protein per ml. D. Thereafter freezing the platelets at a rate of at least 20°C per minute.

대표청구항 ▼

A process for preserving blood platelets which comprises: A. Contacting said platelets with an aqueous saline solution containg 4 to 7 weight percent glycerol and 2 to 6 weight percent glucose, the glycerol being employed in at least a 5 : 1 volume solution to volume platelet ratio; B. Removing supe

A process for preserving blood platelets which comprises: A. Contacting said platelets with an aqueous saline solution containg 4 to 7 weight percent glycerol and 2 to 6 weight percent glucose, the glycerol being employed in at least a 5 : 1 volume solution to volume platelet ratio; B. Removing supernatant liquid; C. Concentrating platelets to about 20 mg platelet protein/ml; D. Thereafter freezing said platelets at a rate of at least 20°C per minute.