The Co content dependence of crystal structure and specific magnetization of Fe1-xCox-SiO2granular solid prepared by the sol-gel method have been studied. It is found that the crystal structure, Iattice parameter and ...The Co content dependence of crystal structure and specific magnetization of Fe1-xCox-SiO2granular solid prepared by the sol-gel method have been studied. It is found that the crystal structure, Iattice parameter and specific magnetization of the FeCo alloy particles depend on the Co content.展开更多
目的基于质量源于设计(Quality by Design,QbD)理念优化调脂柔脉颗粒的处方配比及制备工艺并建立其有效成分的含量测定方法。方法通过单因素试验确定最佳处方组成,结合鱼骨图以及失效模式及效应分析(Failure mode and effect analysis,F...目的基于质量源于设计(Quality by Design,QbD)理念优化调脂柔脉颗粒的处方配比及制备工艺并建立其有效成分的含量测定方法。方法通过单因素试验确定最佳处方组成,结合鱼骨图以及失效模式及效应分析(Failure mode and effect analysis,FMEA)确定调脂柔脉颗粒制备过程中的关键工艺参数(Critical process parameters,CPPs)和关键质量属性(Critical quality attributes,CQAs),采用Box-Behnken响应面法进一步优化制备工艺并利用HPLC法测定调脂柔脉颗粒中大黄酚、丹酚酸A两种成分的含量。结果最佳润湿剂为70%乙醇,最佳填充剂为α-乳糖与糊精按1∶2合用,最佳处方比例为主药∶稀释剂∶黏合剂为4∶12∶5.5;最优条件下制备的调脂柔脉颗粒中大黄酚含量为0.716 mg·g^(-1),丹酚酸A的含量为0.525 mg·g^(-1),成型率大于82.23%,颗粒剂质量检查符合标准。结论基于QbD理念的调脂柔脉颗粒制备工艺稳定可行,质量稳定可控。展开更多
文摘The Co content dependence of crystal structure and specific magnetization of Fe1-xCox-SiO2granular solid prepared by the sol-gel method have been studied. It is found that the crystal structure, Iattice parameter and specific magnetization of the FeCo alloy particles depend on the Co content.
文摘目的基于质量源于设计(Quality by Design,QbD)理念优化调脂柔脉颗粒的处方配比及制备工艺并建立其有效成分的含量测定方法。方法通过单因素试验确定最佳处方组成,结合鱼骨图以及失效模式及效应分析(Failure mode and effect analysis,FMEA)确定调脂柔脉颗粒制备过程中的关键工艺参数(Critical process parameters,CPPs)和关键质量属性(Critical quality attributes,CQAs),采用Box-Behnken响应面法进一步优化制备工艺并利用HPLC法测定调脂柔脉颗粒中大黄酚、丹酚酸A两种成分的含量。结果最佳润湿剂为70%乙醇,最佳填充剂为α-乳糖与糊精按1∶2合用,最佳处方比例为主药∶稀释剂∶黏合剂为4∶12∶5.5;最优条件下制备的调脂柔脉颗粒中大黄酚含量为0.716 mg·g^(-1),丹酚酸A的含量为0.525 mg·g^(-1),成型率大于82.23%,颗粒剂质量检查符合标准。结论基于QbD理念的调脂柔脉颗粒制备工艺稳定可行,质量稳定可控。