【摘要】 目的:优选氟尿苷二乙酸酯固体脂质纳米粒(FUDRA-SLN)的工艺条件。方法:以大豆磷脂为载体,采用薄膜超声分散法制备FUDRA-SLN,以包封率、形态为考察指标,设计正交试验优选工艺条件。结果:按最优工艺条件制得的FUDRA-SLN均匀圆整,粒径为(215±83)nm,包封率为98·27%,载药量为8·20%。结论:选择优化的薄膜超声分散工艺制备FUDRA-SLN,包封率及载药量高,适合于实验室制备。更多还原

【Abstract】 OBJECTIVE:To optimize the preparation techniques for floxuridinyl diacetate solid lipid nanoparticles(FUDRA-SLN).METHODS:The FUDRA-SLN was prepared by film-ultrasound dispersion method with soybean phosˉpholipids as carrier,and the preparation techniques were optimized by means of an orthogonal test design with entrapment efˉficiency and appearance as indexes of investigation.RESULTS:The FUDRA-SLN prepared in the optimized techniques was even and regular in appearances,with particle diameter at(215±83)nm,entrapment efficiency at98.27%and drug loading dosage at8.20%.CONCLUSIONS:FUDRA-SLN prepared by the optimized film-ultrasound dispersion method has a high entrapment efficiency and high drug loading dosage,and this method is suitable for the laboratory preparation.更多还原