Abstract
The adsorption of pyrimidine mononucleotides from aqueous solutions on the surface of nanocrystalline titanium dioxide is studied. The interaction of the nucleotides with hydroxyl groups of titanium dioxide is interpreted in terms of the surface complexation theory. The results of an experimental study of the dependence of adsorption on the pH and ionic strength of solutions are used to calculate the stability constants of the outer-sphere adsorption complexes, which result from the electrostatic interaction of protonated groups with anionic forms of nucleotides.
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Original Russian Text © N.N. Vlasova, O.V. Markitan, 2018, published in Kolloidnyi Zhurnal, 2018, Vol. 80, No. 4, pp. 379–386.
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Vlasova, N.N., Markitan, O.V. Adsorption of Pyrimidine Nucleotides on a Titanium Dioxide Surface. Colloid J 80, 364–370 (2018). https://doi.org/10.1134/S1061933X18040142
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DOI: https://doi.org/10.1134/S1061933X18040142