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同位素  2004 

人血清CA15-3免疫放射分析法的建立

, PP. 74-74

Keywords: CA15-3,125I,单克隆抗体,固相抗体,免疫放射分析(IRMA)

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Abstract:

一株CA15-3单克隆抗体用于125I标记,另一株CA15-3单克隆抗体包被试管作为固相抗体,建立了双位点夹心肿瘤标志物CA15-3免疫放射分析法。CA15-3标准品以CIS公司免疫放射分析药盒标准品校正。最小检测限为0.4U/mL;批内、批间变异系数分别为6.0%~6.2%和4.1%~5.9%;样品中加入已知量CA15-3测定,回收率为86.8%~118.6%;高浓度CA15-3的血清样品系列倍比稀释后测定,实测值和计算值呈线性相关,相关系数大于0.99;38例健康女性血清样品测定值为5.7~23.7U/mL。

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