One of the branches of nymu instrumentation center is located in the same building ; ultracentrifuges , scintillation counters , and a phosphoimager are free to use ，可供一般生化分子及细胞生物实验所需。此外，大楼内有阳明大学仪器中心的
2.
The virus was purified by ultracentrifuge . according to the ns gene sequence published by genbank , one primer t - 1 was designed to amplify the cdna by reverse transcript . the other primers nsl - u / ns1 - 1 and ns2 - u / ns2 - 1 . hns2 - u were designed to amplify the ns1 , ns2 and hns2 gene 本实验用接种鸡胚的病毒增殖方法获得了a / chicken / mudanjiang / 0823 / 00 ( h9n2 )分离株的大量增殖，增殖病毒经差速离心进行纯化，经超迷离心浓缩。
