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Investigation of Correlations Between Chemical Parameters of Metal Ions and Acute Toxicity in Mice and Drosophila

机译:金属离子化学参数与小鼠和果蝇急性毒性的相关性研究

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A systematic study of the correlations between physico-chemical properties associated with metal ions and their observed toxicity is being conducted. One approach employs chemical concepts of hard and soft acids and bases. To test these ideas, a set of LD50 values for acute toxicity in mice for 24 metal ions was obtained under uniform conditions. With these new data, a better correlation between LD50 and Pearson's softness parameter, sigma/sub p/, can be obtained. This suggests that even better correlations might exist for parameters more relevant to biological systems. From a wide range of parameters, not necessarily limited to ions of a given charge as is sigma/sub p/, it was found that the electrode potential can give as good a correlation as sigma/sub p/. Some interpretations of these findings are presented. (ERA citation 07:005648)

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