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The study and preparation of immuno-colloidai gold test strips for detection of human seminal specific protein P30
Author(s): LI Zhaolong, XU Xiulan, LIN Tao, ZHANG Yinglan, CHANG Caiqin, GUO Hongling, WU Bozuo, JIANG Zhilian, TU Zheng, WANG Jian
Pages: 210-
212
Year: 2002
Issue:
4
Journal: JOURNAL OF FORENSIC MEDICINE
Keyword: 人精浆特异蛋白30; 胶体金; 免疫胶体金层析试剂条;
Abstract: 目的制备用于检验人精浆特异蛋白P30-主要是来自法医学案件的免疫胶体金层析试剂条.方法选取针对不同抗原决定簇的抗P30单克隆抗体细胞株,并制备其小鼠腹水,分离纯化单克隆抗体.制备胶体金并以纯化抗体包被,制成免疫胶体金,以免疫胶体金浸泡玻璃纤维.选取适宜的硝酸纤维素膜并于其上不同位置以未金标的另一株P30单克隆抗体和羊抗鼠IgG包被.搭建试剂条并检测其灵敏度和特异性.结果所制成的试剂条灵敏度至少可达4ng/ml;对6人份混合的人精液物质在稀释20万倍后仍出阳性结果,且无非特异性反应.结论检验人精浆特异蛋白P30的免疫胶体金试剂条可对嫌疑人精物质做出排查,有利于法医物证检验.
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