双抗原夹心法：用单克隆PreS2包被微孔反应板，待测血清中抗PreS2与之反应，再加入HRP标记HBs形成夹心，最后加底物显色。
BIO-RAD 1575洗板机、ELX800酶标仪
阴性
阳性：血清中较早出现抗-前S2，则提示急性乙型肝炎病人预后良好。
分离胶促凝管5ml全血
50元
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This page (revision-1) was last changed on 24-Aug-2013 06:39 by 黄雅萍