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THIS ITEM HAS BEEN DISCONTINUED.
PLEASE SEE REPLACEMENT ITEMS AVAILABLE: CSI19800A and CSI19800B
Background: Native Human Factor IX is prepared from fresh frozen plasma by a combination of conventional procedures and immunoaffinity chromatography. This protein purity is determined by SDS-PAGE and shows no reduction upon incubation with 2-mercaptoethanol. Activity is determined via clotting assay. Human Factor IX, activated by either the Contact or Tissue Factor Pathway, is responsible for the activation of Factor X to Xa.