结合计算机仿真与实验的响应面法优化抗耐药结核菌药物利奈唑胺脂质体的处方组成及释药特性研究
2020-08-13杨红月黄伟
杨红月 黄伟



摘 要: 利用乙醇注入法制备抗结核药利奈唑胺的脂质体,并通过响应面法分析得到最佳制备工艺和最优处方。乙醇注入法制备所得的利奈唑胺脂质体,包封率较高,其最佳工艺为胆固醇与卵磷脂的质量比1∶3类脂注入缓冲液的速度1.2 ml/min、超声时间3 min;包封率82.36%,RSD=1.32%。乙醇注入法制备利奈唑胺脂质体具有较高的包封率以及缓控效果,Box-Behnken 响应面法可以快速全面的选取最佳制备工艺,方便准确。
关键词: 抗结核;利奈唑胺脂质体;乙醇注入法;响应面法;包封率
中图分类号: TP311.52 文献标识码: A DOI:10.3969/j.issn.1003-6970.2020.06.040
本文著录格式:杨红月,黄伟. 结合计算机仿真与实验的响应面法优化抗耐药结核菌药物利奈唑胺脂质体的处方组成及释药特性研究[J]. 软件,2020,41(06):196203
【Abstract】: The liposomes of the antituberculous drug linezolid were prepared by ethanol injection, and the best preparation technology and prescription were obtained by response surface analysis. The results showed that the entrapment efficiency of linazolamide liposomes prepared by ethanol injection method was high. The best technology was: the mass ratio of cholesterol to lecithin: the speed of 1:3 lipid injection buffer was 1.2 ml/min, the ultrasound time was 3min; the entrapment efficiency was 82.36%, RSD = 1.32%. The preparation of linezolid liposomes by ethanol injection has high encapsulation efficiency and slow control effect. Box Behnken response surface method can quickly and comprehensively select the best preparation process, convenient and accurate.
【Key words】: Linezolid liposomes; Membrane dispersion method; The encapsulation rate; In vitro release; Response surface methodology
0 引言
結核病是一种慢性的由结核分枝杆菌感染引起的传染病,结核分枝杆菌可导致全身器官感染患病,但主要为肺内、外结核,由于结核杆菌寄生于肺泡深处,导致很多情况下用药效果不好,不能彻底杀灭结核杆菌。近年来,利奈唑胺(linezolid)因其较好的抗菌活性和特有的作用机制而备受关注,利奈唑胺具有良好的抗结核分枝杆菌(MTB)的效果,并且对耐药菌株也显示出了很强的抗菌活性。目前利奈唑胺剂型多为口服片剂,虽然其具有许多优势,但其毒副作用也不容小觑,利奈唑胺有较多的轻度不良反应包括胃肠道反应(腹痛、呕吐等)、头痛和皮疹等,高发病率的的严重不良反应为血小板减少症等骨髓抑制反应、神经系统的不良反应、心律失常和乳酸中毒症。……
