共面多氯联苯ELISA方法的建立

被引:7
作者
许艇
高宏斌
井宏宇
生威
李季
机构
[1] 中国农业大学资源与环境学院
关键词
共面PCBs; 抗体; ELISA;
D O I
暂无
中图分类号
X830.2 [监测分析方法];
学科分类号
0804 ; 082803 ;
摘要
采用PCB半抗原Ⅰ与牛血清白蛋白的偶联物作为免疫抗原免疫新西兰大耳白兔,制备多克隆抗体并建立共面PCB的ELISA方法。结果表明,抗体的效价>6.4×105,建立的间接竞争ELISA法对PCB77、PCB126和PCB169检测的IC50值分别为18、31和186ng.mL-1,直接竞争ELISA法灵敏度高于间接竞争法,在ELISA反应液中添加4%DMSO,灵敏度最高。抗体对几种结构类似的共面PCB特异性从大到小排列顺序是:非邻位氯取代PCB、单邻位氯取代PCB和双邻位氯取代PCB。研究结果为PCB的快速检测提供了技术基础。
引用
收藏
页码:255 / 259
页数:5
相关论文
共 7 条
[1]  
Direct competitive immunoassays for thecoplanar polychlorinated biphenyls. Franek M,Deng A,Kolar V. Analytica Chimica Acta . 2001
[2]  
Immobilization of glycoenzymes through carbo-hydrate side chains. Hsiao H-Y,Royer G P. Archive of Biochemistry and Biophysics . 1979
[3]  
A monoclonal immunoassayfor the coplanar polychlorinated biphenyls. Chiu Y W,Carlson R E,Marcus K L,et al. Analytical Chemistry . 1995
[4]  
Hippocampal Long-TermPotentia-tion(LTP)is Reduced by a Coplanar PCB Congener. Mete O,BayramY,King W M,et al. NeuroToxicolo-gy . 2004
[5]  
Use of an immunoassay as ameans to detect polychlorinated biphenyls in animal fat. Jaborek H S,Holst C V,Allen R,et al. Food Addi-tives and Contaminants . 2001
[6]  
Exposure to PCB 77affects the maternal behavior of rats. Simmons S L,Cummings J A,Clemens L G,et al. Physiology and Behavior . 2005
[7]  
Toxic equivalency fac-tors for dioxin-like PCBs;report on a WHO-ECEH and IPCS consulta-tion. Ahlborg U G,Becking G C,Birnbaum L S,et al. Chemosphere . 1994