阳离子交换剂本身带负 电荷,阴离子交换剂本 身带正电荷。(221页) Key:· Large net posi o Net positive chl O Net negative cl oUn ● Large net negat Polymer beads with negatively charged functional groups Protein mixture is added to column containing cation exchangers Proteins move through the volume cf eluent column at rates determined by their net charge at the pH being used, With cation exchangers, proteins with a more negative net charge 23456 move faster and elute earlier A)阳离子交换剂本身带负 电荷，阴离子交换剂本 身带正电荷。（221页）