FIELD: biotechnology. SUBSTANCE: method involves the steps of: obtaining neutral concentrated collagen mass from unhardened collagen-containing wastes of leather industry, electrifying the mass and injecting it under pressure through a metallic nozzle into Vaseline oil, then mixing the obtained two-frequency ultrasound defatting, hardening, washing-out the obtained spherical monodisperse particles of microcarrier of porous structure carrying a similar electric charge and immobilizing collagen on the surface. EFFECT: enhanced efficiency. 1 tbl
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