方法：采用溶剂-非溶剂法制备维生素C微囊，制成缓释片剂，采用紫外分光光度法测定其载药量，采用转篮法测定体外释放特性。
METHODS Use solvent-non-methods to prepare vitamin C sustained-release tablets, UV method was used to determine its content and the in vitro release rate was determined by rotate basket method.
通过透射电镜观察、动态光散射测定、紫外吸光度测定等手段分析胶束的微观形态、粒径大小和载药量、测定了载药胶束的体外释药速率。
Microscopic morphology, diameter and drug-loaded amount of the micelles were examined by means of TEM, DLS and UV respectively, and their in vitro drug release rates were measured.
本文研究了反相高效液相色谱和超速冷冻离心测定雷公藤甲素聚乳酸纳米粒包封率和载药量的方法。
The encapsulation efficiency and drug loading of triptolide-loaded poly (d, L-lactic acid) nanoparticles were analyzed by RP-HPLC and ultracentrifuge method in this study.
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