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。
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。
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