C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 1/14 (2006.01) C07K 1/16 (2006.01) C12P 21/08 (2006.01)
Patent
CA 2703086
The present invention provides a method for purifying a protein to remove impurities from a mixture liquid containing a desired protein and the impurities, comprising the step of performing filtration using a porous membrane having a graft chain on a pore surface and an anion-exchange group fixed to the graft chain.
L'invention concerne une méthode de purification de protéines destinée à éliminer les impuretés contenues dans une solution mélangée contenant une protéine souhaitée et des impuretés. Cette méthode consiste à filtrer la solution mélangée à travers une membrane poreuse comportant une chaîne greffée sur la surface de chaque pore, un groupe échangeur d'anions étant immobilisé sur la chaîne greffée.
Shinohara Naoyuki
Shirataki Hironobu
Asahi Kasei Chemicals Corporation
Goudreau Gage Dubuc
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