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纯化的Dane颗粒经SDS-聚丙烯酰胺凝胶电泳后,用自制漏斗形玻璃电泳收集杯电泳洗脱,获得HBV外壳HBsAg上分子量31 000的多肽P_(31),
The purified Dane particles were electrophoresed on SDS-polyacrylamide gel and eluted with a homemade funnel-shaped glass electrophoresis collection cup to obtain the polypeptide P 31 with a molecular weight of 31,000 on the HBsAg of the HBV outer shell,