化学发光间接竞争ELISA检测伏马毒素B1方法的建立

被引:1
作者
王君
王元凯
严亚贤
机构
[1] 上海市兽医生物技术重点实验室,上海交通大学农业与生物学院
关键词
伏马毒素B1; 竞争ELISA; 化学发光;
D O I
暂无
中图分类号
S133 [];
学科分类号
09 ;
摘要
采用自制的抗伏马毒素B1(FB1)多克隆抗体,建立定量检测玉米中FB1的化学发光间接竞争ELISA方法。通过化学偶联分别获得免疫抗原钥孔血蓝蛋白(KLH)-FB1和包被抗原卵清蛋白(OVA)-FB1。用KLH-FB1免疫新西兰大白兔,制备多克隆抗体。以OVA-FB1为包被抗原,FB1为竞争抗原,建立检测FB1的间接竞争化学发光ELISA方法,并对该方法进行了条件优化。该方法对FB1标品进行检测,得到回归方程为Y=0.602 5-0.370 7 X,相关系数R2为0.986 2,检测限为0.14ng/mL,线性关系良好的检测范围为0.14~33.3ng/mL,玉米样品加标回收率83.5%~102%。表明建立的化学发光ELISA法敏感性好、特异性高,能用于玉米中FB1毒素的检测。
引用
收藏
页码:45 / 50
页数:6
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