【摘要】 利用放射性碘标记技术研究了血浆蛋白质－缓冲溶液体系在聚苯乙烯－ｇ－聚氧乙烯接枝共聚物表面的等温吸附和吸附动力学。材料表面蛋白质等温吸附量或平衡吸附量随表面ＰＥＯ含量增加而下降；吸附量最低值小于０．２５μｇ，ｃｍ－２；同时探讨了材料表面“梳状”结构对材料表面ＰＥＯ侧链阻抗蛋白质性能的影响。更多还原

【Abstract】 The adsorption isotherm and kinetics of simple plasma protein (human serum albumin immunoglobulin or fibrinogen)-buffer onto the surfaces of (PS-g-PEO) graft copolymers were investigated by radioiodine labelling technique.The reliability of IC1 labellingmethod was verified. It was discovered that the plateau protein adsorption amount usuallydecreased with surface PEO content of PS-g-PEOs increasing;the lowest protein plateau adsorption values were observed <0. 25 μg. cm-2.The "comb-like" structure of model materials might be more fit for protein-resistant property of PEO side chains.更多还原