电镜观察治疗组瘤细胞可见核仁分离和微球体形成。
Under electron microscopy, the nucleolar segregation and formation of microspheres were found in the cancer cells of treated group.
目的探讨羧甲基壳聚糖包药微球体的制备及体外释药特性。
Objective to prepare carboxymethyl chitosan microspheres of fluorouracil (FU-CMCS-MS), and measure the releasing of FU-CMCS-MS in vitro.
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.
目的探讨羧甲基壳聚糖包药微球体的制备及体外释药特性。
Objective to study the release characteristics of fluorouracil-loaded carboxymethyl chitosan microspheres (Fu-CMCS-MS) in vitro.
结果：PLGA相对分子质量对微球体外释放度影响较大。
Results: the effect of the molecular weight of PLGA on in vitro release rate was evident.
目的探讨对以羧甲基壳聚糖为载体的氟尿嘧啶微球体外释药特性的影响因素。
Objective to study the release characteristics of fluorouracil-loaded carboxymethyl chitosan microspheres (Fu-CMCS-MS) in vitro.
目的探讨对以羧甲基壳聚糖为载体的氟尿嘧啶微球体外释药特性的影响因素。
Objective to prepare carboxymethyl chitosan microspheres of fluorouracil (FU-CMCS-MS), and measure the releasing of FU-CMCS-MS in vitro.
两次聚合工艺可将微球体系中聚丙烯酰胺含量提高10%以上，将乳化剂用量降低5%左右。
Polymer content of the microspheres products can be lifted by over 10wt % via twice polymerization process; meanwhile, the amount of emulsifiers can be reduced by about 5wt %.
为制造出微滴球体，Yin博士和同事把氧化铁粒子放入液体聚合树脂搅拌后散入油中。
To make their spheres Dr Yin and his colleagues stir iron-oxide particles into a liquid polymer resin, which is then dispersed in oil.
为制造出微滴球体，Yin博士和同事把氧化铁粒子放入液体聚合树脂搅拌后散入油中。
To make their spheres Dr Yin and his colleagues stir iron-oxide particles into a liquid polymer resin, which is then dispersed in oil.
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