cell culture lyophilized cell 2013-10-16T13:05:01Z BTO:0005517 BrendaTissueOBO Lyophilization is a dehydration process typically used to preserve a perishable material or make the material more convenient for transport. Freeze-drying works by freezing the material and then reducing the surrounding pressure to allow the frozen water in the material to sublimate directly from the solid phase to the gas phase. Marion cryodesiccated cell freeze-dried cell lyophilised cell