Aialysis Proteins can be separated from small molecules by dialysis through a semipermeable membrane which has pores that allow small molecules to pass through but not proteins.

• 透析： 通过半渗透膜的透析，蛋白质能从小分子中分离出来，半渗透膜有孔隙，允许小分子通过，而蛋白质不能通过。