Objective:To construct a recombinant defective retroviral vector carrying hNT3 gene and a stablevirus-producing packaging cell lines , and then to identify them.
构建并鉴定携带人NT - 3基因的逆转录病毒载体以及稳定的包装细胞系。
2
The H5N1 virus is not stable and keeps constantly changing.
H5N1型病毒不稳定并不断变化。
3
According to a study from researchers at Mount Sinai Medical School, the flu virus is more stable and able to stay airborne longer when the air is cold and dry.