The extraction conditions and stability of Senecio pigment were studied using Senecio flowers yellow pigment characteristic absorbance value as index. 采用有机溶剂浸提法,以千里光花黄色素特征吸光度值为指标,探讨了千里光花黄色素的提取条件和稳定性。
Absorbance value ( AV) was determined at 0, 24, 48 and 72 h, and DNA proliferation index ( PI) at 72 h. 分别在0、24、48和72h进行光吸收度值(AV)检测,在72h进行流式细胞术DNA增殖指数(PI)及凋亡指数(AI)检测。
The amniotic absorbance and phospholipids level studies and ultrastructure observation results showed that the amniotic fluid index can be used to indicate fetal maturity. 1小尾寒羊胎儿羊水的吸光度、磷脂含量研究以及显微与超微结构的观察结果表明,羊水指标可反应胎羊肺成熟度。
Main Outcome Measures Absorbance and apoptosis index. 主要指标吸光度,凋亡指数。