LAYERED PARTICLES OF CELL CULTURE AND THEIR PRODUCTION METHODS Russian patent published in 2021 - IPC C12N1/00 C12N5/02 

FIELD: biotechnology.

SUBSTANCE: method for producing a layered medium or a raw material composition for a cell culture is proposed, including suspension of dry powder in a fluidized layer, introduction of at least one solvent with a component or a mixture of medium components dissolved in it, a layer of which is to be applied using a sprayer, and drying of the resulting layered base particle or granule (options); as well as a layered medium and a raw material composition obtained by the specified method, and their use for cell cultivation; a method for cell cultivation in liquid, including cell cultivation under conditions suitable for the cell in a layered medium or a raw material composition diluted in suitable liquid or buffer; a set including a container with a layered medium or a raw material composition for a cell culture and instructions for use; a system for cell cultivation containing a liquid medium diluted from a layered or raw material composition for a cell culture.

EFFECT: inventions provide preparation of media for a cell culture in the form of dry powder, thermally, photochemically stable and resistant to gamma irradiation.

30 cl, 21 dwg, 6 tbl, 4 ex