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Langmuir. 2012 Jul 3;28(26):9930-43. doi: 10.1021/la3012316. Epub 2012 Jun 19.

Exploiting micelle-driven coordination to evaluate the lipophilicity of molecules.

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  • 1Inorganic Nanochemistry Laboratory (inLab), University of Pavia, Pavia, Italy.


We present a systematic study based on the calculation of complexation constants between a Zn-complex solubilized in Triton X-100 micellar solutions and a series of linear mono- and dicarboxylic acids, under physiological pH conditions, that allowed the evaluation of the lipophilicity of these molecules. This empirical lipophilicity parameter describes conveniently the partition of organic molecules between hydrophobic microdomains and water. The results can be used to predict the lipophilicity of molecules with similar structure and allows the distinction of intrinsic contributions of the carboxylates and of the methylene groups to the lipophilicity of the molecule.

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