Hapten Design in the Development of Competitive Enyme-Linked Immunosorbent Assays for Genotoxic Metabolites of Alachlor
作者:Daniel M. Tessier、J. Marshall Clark
DOI:10.1021/jf990087b
日期:1999.9.1
products of the chloroacetanilide herbicide alachlor. CDA, HDA, and alachlor are ground and surface water contaminants. CDA and HDA are genotoxic in bacterial and mammalian test systems. This paper reports hapten design in the development of two competitive enzyme-linked immunosorbent assays (cELISA) for the detection of CDA and HDA. Chloroacetanilide herbicides and other alachlor metabolites that
乙酰苯胺化合物2-氯-2',6'-二乙基乙酰苯胺(CDA)和2-羟基-2',6'-二乙基乙酰苯胺(HDA)是氯乙酰苯胺除草剂甲草胺的环境降解产物。CDA,HDA和甲草胺是地下水和地表水污染物。CDA和HDA在细菌和哺乳动物测试系统中具有遗传毒性。本文报道了用于检测CDA和HDA的两种竞争性酶联免疫吸附测定(cELISA)的半抗原设计。环境样品中可能存在的氯乙酰苯胺除草剂和其他甲草胺代谢产物不会与CDA和HDA的检测发生交叉反应。从水性样品中固相萃取CDA和HDA残留物可得到1000倍的浓缩系数,这两种测定的有效检测限均为15 pg / mL。cELISA的特异性要求在半抗原设计中保留乙酰苯胺部分的取代度。半抗原合成策略适用于其他氯乙酰苯胺除草剂(即乙草胺,丁草胺,甲草胺和丙草胺)的代谢产物。