均分等效面设计法的建立及其用于三组分混合物等效面的构建Establishment of Equipartition Equivalent-Surface Design Method and Its Application in Constructing Equivalent-Surface of Ternary Components
葛会林;陶珊珊;朱祥伟;袁宏球;吕岱竹;
摘要(Abstract):
等效线与等效面在化学混合物毒性相互作用评价方面具有综合、直观、有效等特点。但目前等效面尚无有效的绘制方法,主要原因是三元混合物组分浓度配比缺乏有效、直观的试验设计方法。根据三组分混合物等效面的三角形特征,提出了一种新的均分等效面设计(EESD)方法用于三元组分浓度配比试验设计。最终,得到了组分的9个毒性单位(EC50)比,分别是1:1:7、4:1:4、2:2:5、1:4:4、7:1:1、5:2:2、4:4:1、2:5:2、1:7:1。按照惯例还增加一个毒性单位比1:1:1的等毒性浓度比混合物射线。组分两两混合按照直接均分射线法进行毒性单位比1:5、2:4、3:3、4:2、5:1设计15个二元混合物射线。单个组分在浓度轴上的3个ECx点构成了等效面的3个顶点。这28个等效点采用基于三角形的3次插值得到混合物x%效应的观测等效面。基于EESD构建了[BMIM]BF4、灭多威、敌敌畏的混合物对乙酰胆碱酯酶抑制效应为80%、50%、20%的等效面。等效面分析表明,除了1:1:7混合物射线在80%与50%效应时为拮抗作用外,三元混合物体系总体上为加和作用。同时给出了三元混合物EESD方法设计的一般规则。EESD方法可有效用于三元组分的浓度配比优化设计与三维等效面的绘制。
关键词(KeyWords): 均分等效面设计;混合物毒性;浓度加和;协同/拮抗;等效面;等效线;乙酰胆碱酯酶
基金项目(Foundation): 国家自然科学基金(No.21607171);; 海南省应用技术研发与示范推广专项(No.ZDXM20130043);; 国家重点研发计划(No.2016YFD0201203)
作者(Author): 葛会林;陶珊珊;朱祥伟;袁宏球;吕岱竹;
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