发明授权
US4301250A Method of producing hepatitis B surface antigen 失效
生产乙型肝炎表面抗原的方法

Method of producing hepatitis B surface antigen
摘要:
Hepatitis B surface antigen (HB.sub.s Ag) is produced in vitro in high titer and purity from tissue cultures of cells that shed HB.sub.s Ag by growing the cells with a first incubation at elevated temperature followed by a second incubation at a lower elevated temperature.
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