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  • Title: Isolation of plasma membrane from eukaryotic cells on polylysine-coated polyacrylamide beads.
    Author: Jacobson BS.
    Journal: Biochim Biophys Acta; 1977 Dec 01; 471(2):331-5. PubMed ID: 921984.
    Abstract:
    The conditions for covalently binding polylysine to polyacrylamide beads used for membrane isolation have been analyzed. Larger amounts of bead bound polylysine were required for maximimizing plasma membrane purification from HeLa cells than from Dictyostelium discoideum. The least was needed for erythrocytes. The amount of polylysine bound to the bead was dependent on the carboxyl content of the bead and on the concentration of the polylysine used during the bead-polylysine coupling reaction.
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