The invention relates to an affinity chromatography matrix, as a gel, comprising polymeric particles on which at least one oligosaccharide corresponding to a blood group A epitope and/or blood group B is grafted, via a spacer, characterized in that the density of oligosaccharides is comprised between 0.2 and 0.7 mg/ml of matrix. The invention also relates to the uses of this matrix for preparing concentrates of immunoglobulins for therapeutic use.
本发明涉及一种凝胶状的亲和层析基质,该基质由聚合物颗粒组成,在聚合物颗粒上通过间隔接枝了至少一种与血型 A 表位和/或血型 B 相对应的
寡糖,其特征在于
寡糖的密度在 0.2 至 0.7 毫克/毫升基质之间。本发明还涉及这种基质在制备治疗用免疫球蛋白浓缩物中的用途。