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首页> 外文期刊>Journal of the Indian Chemical Society >Complexation behavior and stability of ternary complexes of glutathione and thymine involving Hg~(II), Pb~(II), Cd~(II), Zn~(II), Co~(II) and Ni~(II) metal ions
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Complexation behavior and stability of ternary complexes of glutathione and thymine involving Hg~(II), Pb~(II), Cd~(II), Zn~(II), Co~(II) and Ni~(II) metal ions

机译:谷胱甘肽与胸腺嘧啶三价配合物与Hg〜(II),Pb〜(II),Cd〜(II),Zn〜(II),Co〜(II)和Ni〜(II)的络合行为及稳定性

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摘要

The overall stability constants of ternary complexes of Hg~(II), Pb~(II), Cd~(II), Zn~(II), Co~(II) and Ni~(II) with reduced glutathione and thymine have been determined in biologically relevant conditions and at an ionic strength of 0.1 M NaNO The stability constants and complexation equilibria have been determined on the basis of speciation curves obtained through SCOGS. The stability sequence of 1 : 1 : 1 GSH(A) : M(II) : Thy(B) has been found as : GSH(A)-Hg~(II)-Thy(B) > GSH(A)-Pb~(II)-Thy(B) > GSH(A)-Cd~(II)-Thy(B) > GSH(A)-Zn~(II)-Thy(B) > GSH(A)-Co~(II)-Thy(B) > GSH(A)-Ni~(II)-Thy(B).
机译:还原了谷胱甘肽和胸腺嘧啶的Hg〜(II),Pb〜(II),Cd〜(II),Zn〜(II),Co〜(II)和Ni〜(II)三元配合物的整体稳定性常数为在生物学相关条件下和离子强度为0.1 M NaNO的条件下测定。稳定常数和络合平衡是根据通过SCOGS获得的形态曲线确定的。已发现1:1:1 GSH(A):M(II):Thy(B)的稳定性顺序为:GSH(A)-Hg〜(II)-Thy(B)> GSH(A)-Pb 〜(II)-Thy(B)> GSH(A)-Cd〜(II)-Thy(B)> GSH(A)-Zn〜(II)-Thy(B)> GSH(A)-Co〜( II)-Thy(B)> GSH(A)-Ni〜(II)-Thy(B)。

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