摘要
目的:测定马钱子碱固脂纳米粒冻干粉的包封率和载药量。方法:采用Sephadex G-50凝胶柱分离固脂纳米粒和游离马钱子碱,高效液相色谱法测定包封率和载药量,并进行方法学考察。结果:葡聚糖凝胶柱能有效分离固脂纳米粒与游离马钱子碱,平均柱回收率和平均柱加样回收率分别为97.2%和96.4%。马钱子碱固脂纳米粒冻干粉的平均包封率为50.18%,平均载药量为2.11%。结论:该方法简便易行,准确可靠,重复性好,可用于马钱子碱固脂纳米粒冻干粉的f载药量和包封率的测定。
Objective: To establish a HPLC method tor determining entrapment efficiency and drug loading of brucine solid lipid nanoparticles (bru-SLN) lyophilized pewder. Method: The free brucine were separated from solid lipid nanoparticles by SephadexG-50 chromatography and HPLC method was used to determine the entrapment efficiency and drug loading of bru-SLN. Result: Free brucine could be effectively separated from solid lipid nanoparticles by SephadexG-50 chromatography. The recovery of brucine and the recovery of the brucine sample were 97.2% and 96.4% , respectively. The average entrapment efficiency of bru-SLN lyophilized pewder was 50.18%, and the average drug loading of bru-SLN was 2.11%. Conclusion: The method is simple, rapid, and repeatable, it can be used for the determination of entrapment efficiency and drug loading of brucine solid lipid nanoparticles lyophilized pewder.
出处
《中国药师》
CAS
2009年第12期1716-1718,共3页
China Pharmacist
关键词
HPLC法
马钱子碱
田脂纳米粒
冻干粉
包封率
载药量
HPLC
Brucine
Solid Lipid Nanoparticles
Lyophilized Powder
Entrapment Efficiency
Drug Loading