Molly Tannatt

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An affinity chromatography step was developed for purification of recombinant B-Domain Deleted Factor VIII (BDDrFVIII) using a peptide ligand selected from a phage display library. The peptide library had variegated residues, contained both within a disulfide bond-constrained ring and flanking the ring. The peptide ligand binds to BDDrFVIII with a(More)
ReFacto (moroctocog alfa), a recombinant factor VIII approved for the treatment of haemophilia A, is produced by a mammalian cell-culture process that includes therapeutic-grade human serum albumin (HSA) in the cell-culture medium. While to date there have been no cases of transmissible spongiform encephalopathy (TSE) resulting from the clinical use of HSA,(More)
Polypeptides for use in affinity chromatography of factor VIII were identified using phage display technology. Phage libraries were designed to express polypeptide fusions containing five to seven residues flanked by two cysteines that form a disulfide bond. Individual bacteriophage were selected for the ability of these polypeptides to bind factor VIII,(More)
West Nile Virus (WNV) was immediately and completely inactivated to below assay detection limits upon addition of solvent/detergent (S/D) to intermediate process pools of second and third generation B-domain deleted recombinant Factor VIII (BDDrFVIII; ReFacto, Wyeth, Cambridge, MA, USA). We verify that the S/D step provides robust enveloped virus(More)
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