journal6 ›› 2006, Vol. 27 ›› Issue (5): 102-105.

• 化学化工 • 上一篇    下一篇

取代芳烃对剑尾鱼和稀有鱼句鲫的生物活性模型

  

  1. (1.徐州教育学院化学系,江苏 徐州 221006;2.徐州师范大学化学系,江苏 徐州 221116)
  • 出版日期:2006-09-25 发布日期:2012-06-29
  • 作者简介:李鸣建(1957-),女,江苏沛县人,徐州教育学院化学系副教授,主要从事物质构效学研究.
  • 基金资助:

    江苏省高校自然科学基金项目(05KJD150221);徐州师范大学培育课题(05PYL04)

The Bioactivity Models of Substituted Aromatics to Sword Fish (Xiphophorus Felleri) and Rare Minnow (Gobiocypris)

  1. (1.Department of Chemistry,Xuzhou Educhtion College,Xuzhou 221006,Jiangsu China;2.Department of Chemistry,Xuzhou Normul University,Xuzhou 221116,Jiangsu China)
  • Online:2006-09-25 Published:2012-06-29

摘要:非氢原子的原子参数(gi)定义为:gi=(ni-1)0.5·mi·((tc)/(ti))αi-(-1)hi+ki(1+k2i)hβii.基于gi建构新的拓扑指数mL,并研究了含有—Cl,—OH,—NO2、烷基等基团的取代芳烃急性毒性的定量构效关系(QSAR).这些化合物对剑尾鱼、稀有鱼句鲫的半数致死浓度(-lg LC50)与0阶指数(0L)的线性方程分别为:-lg LC50=-0.949 9+0.030 60L,-lg LC50′=-1.165 8+0.035 40L,它们的计算值与相应实验值颇为接近.

关键词: 定量构效-活性相关性, 取代芳烃, 急性毒性, 剑尾鱼, 稀有鱼句鲫

Abstract: An atomic parameter (gi) for non-hydrogen atom i is defined as:gi=(ni-1)0.5·mi·((tc)/(ti))αi-(-1)hi+ki(1+k2i)hβii.A novel topological index (mL) is built up with(gi)in this paper.The quantitative structure-activity relationships(QSAR) studies are performed in relation to the acute toxicitiea and 0L of substituted aromatic compounds (with substituents —Cl,—OH,—NO2  and alkyl).The linear regression models between the 96h-LC50 and 0L of the compounds to aquatic organisms are proposed as follows:(1) sword fist  -lg LC50=-0.949 9+0.0306 0L,R=0.977 4;(2) rare minnow  -lg LC50′=-1.165 8+0.035 40L,R=0.995 4.The values calculated by the models are basically true as the experiment values.

Key words: quantitative structure-activity relationship, substituted aromatic, acute toxicity, sword fish, rare minnow

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