ricinus communis agglutinin covalently bound to sepharose 4b ( rca-sepharose 4b ) was able to selectively bind immune complexes consisting of antigen ( bovine serum albumin ) and rabbit igg antibody which were rich in antibody ( i.e. , high molecular weight complexes of approximately 2000 000 ) .
C0003313
immune complexes
C0003241
antibody