Purification of mengovirus by freon extraction and chromatography on protein-coated controlled pore glass
Tóm tắt
Mengovirus, extracted from infected L-cell cultures with Freon 113 and concentrated from the acqueous phase with polyethyleneglycol, was chromatographed on protein-coated controlled pore glass (CPG). The covalent binding of protein to CPG is described. Further purification and concentration of mengovirus was achieved by isopycnic density gradient centrifugation in solutions of either CsCl or salts of iodinated benzoic acid derivatives. The described procedure is superior to conventional methods for the isolation and purification of large quantities of mengovirus. It yields highly purified virus preparations within a short time and a recovery of more than 50 per cent of the starting infectivity.
Tài liệu tham khảo
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