FIELD: chemistry.
SUBSTANCE: disclosed is a method of purifying antibodies by adding a negatively charged polyelectrolyte such as polyvinyl sulphonic acid, polyvinyl sulphonate, polystyrene sulphonic acid or polyacrylic acid, to a mixture containing an antibody and extracting the obtained precipitate containing the antibody. The invention can further be used in extracting antibodies from body fluids and purification thereof.
EFFECT: improved method.
13 cl, 13 ex, 13 tbl, 38 dwg
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