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同位素  2003 

癌胚抗原(CEA)固相包被管法免疫放射分析

, PP. 186-186

Keywords: 癌胚抗原(CEA),固相包被,免疫放射分析(IRMA),单克隆抗体(McAb)

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Abstract:

采用了两株CEA单克隆抗体(McAb),一株用于固相包被,另一株用于标记制备125I-CEAMcAb,研制了一步法CEA免疫放射分析(IRMA)试剂盒。本方法的灵敏度为0.5μg/L,批内变异系数<10.0%,批间变异系数<15.0%,回收率为97.4%~108.9%,特异性鉴定显示与其它肿瘤标志物无明显交叉反应。正常参考值<10.0μg/L。

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