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학술저널
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대한바이러스학회 JOURNAL OF BACTERIOLOGY AND VIROLOGY 大韓바이러스學會誌 제16권 제2호
발행연도
1986.12
수록면
139 - 146 (8page)

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The influenza virus type, A/Kumamoto/37/79 (H1N1), A/Ishikawa/102/81 (H3N2), and B/Singapore/ 222/79, were inoculated into egg allantoic cavity and the egg allantoic fluids was harvested after 2days incubation at 34C. The influenza virus was purified with BaSO4, and futher purified by sucrose gradient ultracentrifugation. The purified virus was treated with ether in order to remove lipid-rich part from viruses. The following results were obtained. 1. The profiles of the sucrose gradient ultracentrifugation(SGUC) showed that the fractions corresponding to the 39%-45% of sucroseare highest in the HA titer. 2. Electron photographs indicated that the ether treated virus took a completely deranged form, compared with the regular granular form of the untreated virus. 3. SDS-PAGE along the purification revealed that after SGUC, the egg proteins were almost completely removed from the virus. 4. After the final vaccine were produced by the addition of formalin and other stabilizer, the HAI and potency test were carried out. The HAI titer of the final vaccine was almost simliar to the reference vaccine. When the potency test was carried out by the method of neutralizing antibody, the Edvalue of the final test vaccine was 5' , average value of three virus strains, whereas the ED value of the reference vaccine was 5' ", average value of three virus strains. Based on data, therefore, the final test vaccine almost equivalent to the reference vaccine obtained from the Kitasato Institute, Japan.

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