METHOD OF ALPHA-FETOPROTEIN PREPARING Russian patent published in 1997 - IPC

FIELD: medicine, biotechnology. SUBSTANCE: abortive human blood is centrifuged and supernatant is purified firstly on affinity resin that contains 10 mg/ml antibodies raised to alpha-fetoprotein covalently cross-linked with BrCN-Sepharose and then on affinity resin that contains MO mg/ml antibody complex raised to human blood proteins and covalently cross-linked with BrCN-Sepharose. The obtained alpha-fetoprotein solution is desalted by dialysis against water, sterilized and dried by lyophilization. EFFECT: improved method of preparing. 3 cl