沙丁胺醇人工抗原的合成及抗体制备

被引:12
作者
孙海新 [1 ]
凌红丽 [1 ]
张玉兰 [2 ]
曹照真 [2 ]
高亚东 [1 ]
郗日沫 [2 ]
机构
[1] 青岛康地恩实业有限公司
[2] 山东大学化学与化工学院
关键词
沙丁胺醇; ELISA; 偶联; 抗原; 抗体;
D O I
10.13523/j.cb.20090208
中图分类号
S859.84 [动物性食品中化学物残留]; Q789 [基因工程的应用];
学科分类号
0906 ; 071007 ; 0836 ; 090102 ;
摘要
沙丁胺醇是一种β-兴奋剂,常被很多畜禽水产养殖户非法用于动物养殖。为建立沙丁胺醇在食品中残留的快速检测方法,研究了沙丁胺醇免疫原的合成和抗体的制备方法。采用对氨基苯甲酸法合成了沙丁胺醇(SAL)免疫原SAL-cBSA,采用重氮化法合成的克伦特罗(CL)偶合物CL-cOVA作为包被抗原,用紫外光谱法分析了所合成免疫原和包被抗原。用免疫原SAL-cBSA免疫新西兰大白兔获得多克隆抗体,抗体效价达到32000。采用间接ELISA法检测抗体IC50值为8.79ng/ml,SAL的浓度在1ng/ml~100ng/ml区间时,SAL与对抗体的竞争结合力呈直线关系。表明所制备的沙丁胺醇免疫原具有良好的免疫原性,所制备的抗体拥有很高的灵敏度。
引用
收藏
页码:48 / 53
页数:6
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