B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/32 (2006.01) B01D 15/08 (2006.01) B01J 20/24 (2006.01) B01J 20/285 (2006.01) B01J 20/286 (2006.01) B01J 20/30 (2006.01) B01D 15/18 (2006.01) B01J 20/28 (2006.01)
Patent
CA 2508271
The present invention relates to a method of preparing a separation medium, which method comprises to provide a slurry of essentially spherical polymer beads in an aqueous solution of a natural polymer and contacting the slurry with an organic solvent in the presence of emulsifier to allow aggregation of the beads. In a preferred embodiment, the natural polymer is agarose. The present invention also encompasses a separation medium comprised of one or more aggregates, wherein each aggregate comprises a plurality of porous and essentially spherical polymer beads assembled by a porous gel.
La présente invention concerne un procédé de préparation d'un milieu de séparation, ce procédé consistant à mettre en oeuvre une suspension de perles essentiellement sphériques de polymère dans un soluté d'un polymère naturel et de contacter la suspension avec un solvant organique en présence d'émulsifiant de permettre l'agrégation des perles. Dans un mode de réalisation préféré, le polymère naturel est agarose. La présente invention comprend également un milieu de séparation constitué d'un ou de plusieurs agrégats, où chaque agrégat comporte une pluralité des perles poreuses et essentiellement sphériques de polymère assemblées par un gel poreux.
Buckley David
Busson Philippe
Amersham Biosciences Ab
Fetherstonhaugh & Co.
Ge Healthcare Bio-Sciences Ab
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