FIELD: medicine. SUBSTANCE: method involves twice freezing cadaver brain gray substance at -40 C and melting at +36 C. Extraction is carried out with the same volume of cleaned water. The mass is centrifuged at 600 G at +5 C during 30 min. The supernatant is separated, the same volume of cleaned water is added to the precipitate and centrifuged under the same conditions. The obtained supernatant liquids are mixed to produce high thromboplastin activity supernatant. EFFECT: improved quality and high activity of raw materials. 1 tbl
Authors
Dates
2000-12-10—Published
1999-10-07—Filed