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1·OBJECTIVE To establish a method of tretinoin quality controling.

目的建立维甲酸凝胶的质控方法。

2·Results The average recoveries of tretinoin and erythromycin were 99.72% and 99.45% respectively.

结果维甲酸的平均回收率为99.72 %，红霉素的平均回收率为99.4 5 %。

3·Objective To investigate the effect of gallium salts on bone metabolism in osteoporosis rats caused by tretinoin.

目的研究镓盐对维甲酸致骨质疏松大鼠骨代谢的影响。

4·Objective To study the effect of tretinoin on cellular proliferation and differentiation with human osteogenic sarcoma cell.

目的探讨维甲酸对人骨肉瘤细胞抑制增殖和诱导分化的影响。

5·AIM: To investigate the influence of gallium salts on the bone metabolism of mandibular osteoporosis rats caused by tretinoin.

目的：研究镓盐对维甲酸引起的下颌骨骨质疏松大鼠骨代谢的影响。

6·After eight weeks, the women using Pro-x showed a significant improvement in the appearance of their wrinkles compared with those using tretinoin.

8周后，使用Pro - x的女性与使用维他命a酸的相比，皱纹情况有明显好转。

7·Conclusion: All-trans tretinoin acid chemotherapy in combination with low dosage heparin in the treatment of APL with DIC can obtain obvious effect.

结论：维甲酸、化疗、低分子肝素合用治疗急性早幼粒细胞性白血病并dic疗效明显，值得临床推广使用。

8·Methods: Tretinoin in the dropping pills was determined spectrophotometrically and rotating basket method was adopted to determine its dissolution rate.

方法：采用紫外分光光度法测定滴丸中维甲酸的含量，转篮法考察其体外溶出度。

9·Objective to study the effect of gallium salts on Apoptosis, contents of DNA and molecular weight of DNA in osteoporosis model of rats caused by tretinoin acid.

目的观察镓盐对维甲酸致大鼠骨质疏松动物模型细胞凋亡和基因组dna含量、分子量的影响。

10·HPLC method has been studied to determine tretinoin soft capsules, the main component was well separated from degraded products with resolution capacity over 1.0.

采用硅胶柱对维a酸胶囊进行定量分析，使主成分维a酸与降解物得到很好分离，分离度达1.0以上。

维甲酸

1·Objective To study the effect of tretinoin on cellular proliferation and differentiation with human osteogenic sarcoma cell.

目的探讨维甲酸对人骨肉瘤细胞抑制增殖和诱导分化的影响。

2·AIM: To investigate the influence of gallium salts on the bone metabolism of mandibular osteoporosis rats caused by tretinoin.

目的：研究镓盐对维甲酸引起的下颌骨骨质疏松大鼠骨代谢的影响。

3·Objective To investigate the effect of gallium salts on bone metabolism in osteoporosis rats caused by tretinoin.

目的研究镓盐对维甲酸致骨质疏松大鼠骨代谢的影响。