Title :
Application of ETSIAT to the toxicity prediction of aliphatic alcohols
Author :
Li, Jian ; Mei, Hu ; Yang, Li ; Wang, Qin ; Yan, Ning ; Liu, Li ; Sun, Jia-Ying ; Xie, Jiang-An
Author_Institution :
Key Lab. of Biorheological Sci. & Technol., Chongqing Univ., Chongqing, China
Abstract :
ETSIAT was employed in the quantitative structure-activity relationship (QSAR) modeling on the aliphatic alcohol toxicities to the Tetrahymena, tomato, spider, and bacterial luciferases et al.. The QSAR models were established by partial least squares and further validated by both internal and external validations. The results showed that ETSIAT can characterize the structural information relevant to aliphatic alcohol toxicity very well and the resulting QSAR models were robust and showed high predictive capabilities. Based on the PLS analysis of the QSAR models, it can be inferred that hydrophobicity and steric hindrance effects were key factors influencing the toxicities of the aliphatic alcohols, and there may be different toxicity mechanisms between long-chain and short-chain aliphatic alcohols.
Keywords :
health hazards; hydrophobicity; least squares approximations; organic compounds; physiological models; toxicology; ETSIAT; PLS analysis; Tetrahymena; aliphatic alcohol; bacterial luciferases; electrotopological state indices for atom types; hydrophobicity; partial least squares; quantitative structure-activity relationship modeling; spider; steric hindrance effects; structural information; tomato; toxicity prediction; Biological system modeling; Carbon; Compounds; Load modeling; Loading; Mathematical model; Predictive models; aliphatic alcohols; electrotopological state indices for atom types; quantitative structure-activity relationship; toxicity;
Conference_Titel :
Fuzzy Systems and Knowledge Discovery (FSKD), 2010 Seventh International Conference on
Conference_Location :
Yantai, Shandong
Print_ISBN :
978-1-4244-5931-5
DOI :
10.1109/FSKD.2010.5569766