辛伐他汀泊洛沙姆P123/F127混合胶束的制备及表征

被引:5
|
作者
胡悦 [1 ]
孙敬蒙 [2 ]
卢美彤 [1 ]
张炜煜 [1 ]
机构
[1] 长春中医药大学药学院
[2] 吉林大学白求恩第一医院药学部
关键词
辛伐他汀; 混合胶束; 泊洛沙姆; 星点设计-效应面法; 表征;
D O I
10.13286/j.1001-5213.2021.18.02
中图分类号
R943 [制剂学];
学科分类号
摘要
目的:制备并评价辛伐他汀泊洛沙姆P123/F127混合胶束(simvastatin poloxamer P123/F127 mixed micelles, SIM-MM)。方法:采用薄膜水化法制备混合胶束,以包封率、载药量和渗漏率为考察指标,结合单因素和星点设计-效应面法设计,筛选影响考察指标的关键因素并进行优化,并加以验证以确定SIM-MM最佳处方及工艺参数;通过差示扫描量热法(differential scanning calorimetry, DSC)、傅里叶红外光谱法(Fourier transform infrared spectrometer, FTIR spectrometer)验证SIM-MM的形成;采用透射电镜、粒径测定、Zeta电位进行表征。结果:确定SIM-MM的最佳处方为:P123质量分数为63.64%,F127-P123为170 mg,水相体积为7.5 mL;透射电镜证明SIM-MM为圆球形,DSC和FTIR实验验证胶束形成。SIM-MM的粒径为(19.2±1.3)nm,分散系数为0.094,Zeta电位为-11.3 mV,包封率及载药量分别为(95.31±0.80)%、(7.37±0.04)%,SIM-MM的临界胶束浓度介于纯F127和P123单一胶束之间。结论:制备出的SIM-MM粒径小并具有一定的缓释能力,可为后续研究辛伐他汀在治疗骨再生的体内研究与临床开发奠定基础。
引用
收藏
页码:1823 / 1829
页数:7
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