Screen the optimal stabilizer according to the appearance, virus titer and thermostability of the freeze-dried vaccine.
根据冻干后外观、病毒滴度和热稳定性试验等结果，筛选出冻干保护剂的最适配方。
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。
The virus titer in myocardium, percentage of apoptosis and necrosis of myocytes were detected, myocardial histopathologic scores were counted.
测定心肌病毒滴度、心肌细胞凋亡率和坏死率，计算心肌病理组织学积分。
Both treatment regimens showed a significant reduction of hepatitis B virus (HBV) titer compared to the control group.
研究结果显示，与对照组相比，两种治疗方案都能明显降低乙型肝炎病毒(HBV)滴度。
Embryo culture fluid with the virus and influenza virus in blood serum stunning response, HI titer of 1:80.
并且鸡胚培养的病毒液与流感病毒血清发生血抑反应，血凝抑制效价为1∶80。
The virus contents of liver and spleen were the highest with HA titer 2 9;
对人工感染病死兔脏器含毒量的检测，肝、脾含毒量最高，HA可达2 9；
The virus contents of liver and spleen were the highest with HA titer 2 9;
对人工感染病死兔脏器含毒量的检测，肝、脾含毒量最高，HA可达2 9；
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