The results showed that the harvest fluid volume and hemagglutination titer of9days duck embryos were better than those of other age embryos.
结果显示,用9日龄鸭胚接种明显优于其他日龄的鸭胚,抗原收获量及血凝价均达到较高水平;
Methods: The chicken embryo culture was used to observe the inhibition of MEPS on type A influenza virus by hemagglutination test in terms of hemagglutination titer.
方法:采用血凝滴度测定研究MEPS对鸡胚培养甲型流感病毒的抑制作用。
Results: According to hemagglutination titer, it was proved that most of Radix Isatidis and Folium Isatidis were effective to influenza a virus in 3 aspects: direct, therapeutic and preventive action.
结果:血凝滴度实验表明,在对甲型流感病毒的直接作用、治疗作用和预防作用3方面大多数板蓝根和大青叶有效,但各种质药材样品抗病毒活性的有无及强度有明显差异。
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