asparagine-linked oligosaccharides were released from fetuin with n-glycanase , radiolabeled by reduction with nab [ 3h ] 4 , and fractionated by anion-exchange high performance liquid chromatography ( hplc ) , ion-suppression amine adsorption hplc , and concanavalin a affinity chromatography .
C0003075
anion
C0022023
ion