Chromatography adsorbents utilizing mercapto heterocyclic...

C - Chemistry – Metallurgy – 07 – K

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C07K 1/22 (2006.01) B01J 20/22 (2006.01) G01N 30/48 (1995.01)

Patent

CA 2190379

A pseudobioaffinity chromatography adsorbent adapted for use in selectively adsorbing immunoglobulins. In one embodiment, the adsorbent comprises: (a) a solid support material; and (b) a ligand immobilized on the surface of the solid support material, said ligand being a compound of formula (II) wherein Y1 is selected from the group consisting of S, SCH3+, O, NH, NCH3, CH2 and CR1R2 wherein at least one of R1 and R2 is not hydrogen; wherein each of Y2, Y3 and Y4 is selected from the group consisting of N, NCH3+, CH, and CR wherein R is not hydrogen; and wherein at least two of Y1, Y2, Y3 and Y4 are neither CH2, CH, CR nor CR1R2.

Adsorbant de chromatographie par pseudoaffinité destiné à être utilisé pour obtenir une absorption sélective d'immunoglobulines. Dans une forme d'exécution, l'adsorbant comprend: (a) une matière de support solide; et (b) un ligand immobilisé à la surface de cette matière de support solide, le ligand étant un composé de formule (II), dans laquelle Y¿1? est sélectionné dans le groupe composé de S, SCH¿3??+¿, O, NH, NCH¿3?, CH¿2? et CR¿1?R¿2?, où au moins un élément parmi R¿1? et R¿2? n'est pas hydrogène; où Y¿2?, Y¿3? et Y¿4? sont chacun sélectionnés dans le groupe composé de N, NCH¿3??+¿, CH, et CR dans lequel R n'est pas hydrogène; et où au moins deux éléments parmi Y¿1?, Y¿2?, Y¿3? et Y¿4? ne représentent ni CH¿2?, ni CH, ni CR ni CR¿1?R¿2?.

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