FIELD: preservation of biological objects.
SUBSTANCE: invention refers to preservation of blood cells for creation of blood banks. Method for creation of banks of ultrahigh density frozen cells involves cultivation in perfusion conditions, which enables to obtain cell culture with ultrahigh density. Further, cell cultures are subjected to cryopreservation with the addition of a cryoprotector without the need for any cell concentration stages, wherein the bank of frozen cells with ultrahigh density is characterized by concentration of at least 1.0×108 cells. Cells are cultured in a bioreactor connected to a cell retention system.
EFFECT: disclosed method for producing a bank of frozen cells provides maintaining high cell viability and quality.
23 cl, 22 dwg, 10 ex
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Authors
Dates
2020-06-08—Published
2015-09-17—Filed