| 摘要 |
This invention relates generally to modified porous solid chromatographic media and processes for the preparation and use of same. In particular, chromatographic media of porous mineral oxide, polymeric, or polymer-coated mineral oxide supports are disclosed which are characterized by a reversible high sorptive capacity and high intraparticle mass transfer rates. In order to prevent non-specific adsorption of or interaction with biomolecules, these supports may be passivated by use of a passivation mixture comprising a main monomer, a passivating monomer, and a crosslinking agent, which mixture upon polymerization results in substantial elimination of the undesirable non-specific interaction with biomolecules.
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