Vahro M, Slenczka W
J Gen Virol. 1979 Jan;42(1):215-8. doi: 10.1099/0022-1317-42-1-215.
Lymphocytic choriomeningitis virus was purified from cell culture fluid by density gradient centrifugation in colloidal silica. The specific infectivity increased 5000-fold and the recovery of infectivity was about 10%.
淋巴细胞性脉络丛脑膜炎病毒通过在胶体二氧化硅中进行密度梯度离心从细胞培养液中纯化出来。其比感染性增加了5000倍,感染性回收率约为10%。