| abstract |
A method for at least partially separating vitamin K-dependent blood clotting factors from a mixture containing at least one such factor, e.g. a prothrombin complex concentrate, which comprises adsorption of said mixture on to a chelate of a polyvalent metal immobilised on an inert support, e.g. Cu<2+>-primed Chelating Sepharose, followed by elution to yield one or more fractions enriched in respect of one of said factors. |