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Chang C.M.,National Chung Hsing University | Ou Y.H.,National Chung Hsing University | Liu T.-C.,Bureau of Animal and Plant Health Inspection and Quarantine BAPHIQ | Lu S.-Y.,Taiwan Agricultural Chemicals and Toxic Substances Research Institute | Wang M.-K.,National Taiwan University
SAR and QSAR in Environmental Research | Year: 2016

Four types of reactivity indices were employed to construct quantitative structure–activity relationships for the assessment of toxicity of organic chemical mixtures. Results of analysis indicated that the maximum positive charge of the hydrogen atom and the inverse of the apolar surface area are the most important descriptors for the toxicity of mixture of benzene and its derivatives to Vibrio fischeri. The toxicity of mixture of aromatic compounds to green alga Scenedesmus obliquus is mainly affected by the electron flow and electrostatic interactions. The electron-acceptance chemical potential and the maximum positive charge of the hydrogen atom are found to be the most important descriptors for the joint toxicity of aromatic compounds. © 2016 Informa UK Limited, trading as Taylor & Francis Group. Source

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