(2)Stronger acidity and larger amount of the functional groups of the polyanion adsorbents lead to higher adsorption capacity and adsorption selectivity for low density lipoproteins(shorted as LDL).

• (2)提高功能基的酸性和交换量有利于提高吸附剂对血浆低密度脂蛋白的吸附容量和吸附选择性，进一步证实了该吸附剂上低密度脂蛋白的吸附与静电相互作用有关。