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利用SD大鼠抗血清建立瘦肉精ciELISA检测方法的研究

Detection of Clenbuterol ciELISA Based on SD-Rat Antiserum
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摘要 以克伦特罗(CL)为竞争半抗原,人工合成的克伦特罗-卵清白蛋白(CL-OVA)为包被抗原,两者与一定量的SD大鼠抗CL血清反应,建立快速定量测定CL含量的间接竞争酶联免疫吸附检测(ciELISA)方法.结果表明,理想的包被抗原质量浓度为3μg/mL,抗CL血清稀释倍数为1∶1.6×10^5.绘制出标准曲线,线性检测范围为4.88~5 000ng/mL,线性回归方程为y=-0.295 2x+1.160 6,r^2=0.990 2,加标平均回收率为95.45%.该方法敏感性高,特异性强,操作简便,对于研制瘦肉精残留检测试剂盒有重要意义. Clenbuterol (CL) acted as competitive hapten, the conjugate OVA - CL of ovalbumin and clenbuterol acted as coating antigen, competitive indirect ELISA(ciELISA) for clenbuterol have been developed based on Sprague - Dawley (SD) rat antiserum against CL. The obtained optimum conditions of the assay follow : 3μg/mL of the plate - coating antigen CL - OVA in carbonate sodium buffer, 1: 1.6 × 10^5 of antiserum titer. The detection range of this assay method is broadly various from 4.88ng/mL to 5 000ng/mL, and an average recovery of 90.67% is obtained. This method shows high sensitivity, strong specificity.
出处 《中国粮油学报》 EI CAS CSCD 北大核心 2006年第4期142-145,共4页 Journal of the Chinese Cereals and Oils Association
基金 国家自然科学基金(20477012 30400354) 广州市科技攻关项目(2004Z2-E0031)
关键词 瘦肉精 抗血清 CIELISA SD-大鼠 clenbuterol, antiserum, ciELISA, Aprague - Dawley rat
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