胸腺五肽三甲基壳聚糖口服亚微粒的制备及有关性质
Preparation and characterization of Thymopentin loaded trimethyl chitosan submicron
作者:宋庆国;袁晓佳;何勤;
Author:
收稿日期: 年卷(期)页码:2007,(02):-171-173
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:三甲基壳聚糖;亚微粒;胸腺五肽;稳定性;释药特性;免疫调节能力
Key words:
基金项目:
中文摘要
目的制备三甲基壳聚糖载胸腺五肽口服亚微粒(Tp5-TMC-SM),并研究其稳定性及在体内外的有关性质。方法制备Tp5-TMC-SM并考察冻干亚微粒的稳定性、体外释药特性及体内免疫调节能力。结果制得亚微粒粒径110.6 nm,药物包封率为78.8%,Tp5-TMC-SM冻干粉的体外释药过程符合Weibull方程,且无突释效应;所制亚微粒在体内的免疫系统调节能力较Tp5原料药显著提高。结论Tp5-TMC-SM可实现胸腺五肽口服给药。
参考文献
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