abstract |
The invention relates to an affinity chromatography matrix in the form of a gel, comprising polymer particles grafted via spacers, at least one oligosaccharide corresponding to an epitope of blood group A and / or blood group B, It relates to a matrix characterized in that the sugar density is between 0.2 and 0.7 mg per ml of matrix. The present invention also relates to the use of this matrix to prepare immunoglobulin concentrates for therapeutic use. |