CONCENTRATION OF JAPANESE ENCEPHALITIS VIRUS WITH AMMONIUM SULFATE
ARMY BIOLOGICAL LABS FREDERICK MD
Pagination or Media Count:
Japanese encephalitis virus hemagglutinins in an infected cultural fluid were concentrated with ammonium sulfate. Precipitation of hemagglutinins took place with ammonium sulfate saturation of 35--70 g in 100 ml at 4--0 deg C in different pH zones 3.2--8.5 in the course of 24 hours.