The purified recombinant S protein (rHBsAg) coated to microplate and Dane particles labeled by horseradish peroxidase (HRP) were applied to detect HBsAb by sandwich ELISA.

• 表达产物包被聚丙乙烯反应板,与辣根过氧化物酶标记Dane颗粒配对,用酶联免疫吸附实验(ELISA)检测HBsAb。