以化学交联的聚烯丙基胺盐酸盐拟葡聚糖微凝胶和透明质酸为构筑基元,在导尿管表面层层组装构筑了厚度小于500 nm可控释放抗菌药物的聚合物微凝胶膜.广谱抗菌药物头孢曲松钠通过扩散吸附的方法在2 min内快速负载到聚合物微凝胶膜中,并且在生理盐水中可控释放时间达3h.抗菌实验表明,组装有层层组装微凝胶膜并负载广谱抗菌药物的导尿管具有令人满意的抗菌效果,避免感染的发生.
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