Objective: To study the release of ciprofloxacin polylactic acid microspheres in vitro.
目的:考察环丙沙星聚乳酸微球的体外释药性能。
OBJECTIVE To study the preparation process, assay and in vitro drug release of adriamycin polylactic acid microspheres.
目的:对阿霉素聚乳酸微球的制备工艺、含量测定及体外释药特性进行初步研究。
Aim To discover the effect of molecular weight of polylactic acid on the shape, drug content and drug distribution state of rifampicin polylactic acid microspheres.
目的考察聚乳酸相对分子量对利福平聚乳酸微球形态、载药量及微球中药物分布状态的影响。
Polylactic acid microspheres containing 5-fluorouracil were prepared by five different methods, and studied with the optical microscope. The drug contents in microspheres were determined.
采用五种不同方法制备5-氟尿嘧啶聚乳酸微囊,并对其外观性质及药物含量等进行了比较。
Conclusion: The fluorouracil release from microspheres with polylactic acid as carriers was controlled by drug diffusion and polymeric erosion.
结论:氟尿嘧啶微球体外释药以药物扩散和材料降解为主。
Conclusion: The fluorouracil release from microspheres with polylactic acid as carriers was controlled by drug diffusion and polymeric erosion.
结论:氟尿嘧啶微球体外释药以药物扩散和材料降解为主。
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