A型肉毒毒素双抗夹心ELISA检测方法的建立

Chinese Journal of Immunology(2023)

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Abstract
目的:建立A型肉毒毒素双抗夹心ELISA检测方法.方法:以高亲和力人源抗体ML01作为捕获抗体,以小鼠腹水诱生法制备的鼠源抗体BAS46为检测抗体,HRP标记的羊抗鼠IgG为二抗,建立A型肉毒毒素双抗夹心ELISA检测方法,并评价其灵敏度、重复性、检测线性范围和加样回收率等.结果:A型肉毒毒素双抗夹心ELISA检测法的灵敏度为2.56 pg/ml,变异系数为3.183%~12.030%,线性范围为0.244~62.500 ng/ml,回收率为90%~110%.结论:成功建立了A型肉毒毒素双抗体夹心ELISA检测方法,该方法快速、有效.
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Key words
Botulinum neurotoxin type A,Double-antibody sandwich ELISA,Monoclonal antibody
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