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Surface Complexation Modeling of Biomolecule Adsorptions onto Titania

Chuiko Institute of Surface Chemistry, National Academy of Sciences of Ukraine, General Naumov Str., 17, Kyiv 03164, Ukraine
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Colloids Interfaces 2019, 3(1), 28; https://doi.org/10.3390/colloids3010028
Received: 15 December 2018 / Revised: 13 February 2019 / Accepted: 14 February 2019 / Published: 18 February 2019
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Abstract

The adsorption of nucleic acid components on the surface of nanocrystalline titanium dioxide (anatase, pHpzc = 6.5) in NaCl solutions was investigated using potentiometric titrations and multibatch adsorption experiments over a wide range of pH and ionic strengths. The Basic Stern surface complexation model was applied to experimental data to obtain quantitative equilibrium reaction constants. Adsorption results suggest that there is a considerable difference in the binding of nucleobases, nucleosides, and nucleotides with an anatase surface. View Full-Text
Keywords: surface complexation model; titanium dioxide; nucleic acid components surface complexation model; titanium dioxide; nucleic acid components
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Vlasova, N.N.; Markitan, O.V. Surface Complexation Modeling of Biomolecule Adsorptions onto Titania. Colloids Interfaces 2019, 3, 28.

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