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Effect of acidity of the medium and polarization of the surface on albumin adsorption by carbon fibers

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Abstract

Adsorption of bovine serum albumin (BSA) was studied at different acidities of the medium on the non-charged and titanium hydroxide-modified surfaces of the carbon fibers (ACF and ACF-B (Ti)). The fiber covered with titanium hydroxide was shown to have the highest adsorption capacity at pH = 4.7, which is close to the isoelectric point of BSA. The cathodic polarization has the greatest effect on the BSA desorption ability, which enabled the determination of conditions for recovering the adsorption capacity of the fibrous sorbent.

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Authors and Affiliations

  1. Far East Department of the Russian Academy of Sciences, Institute of Chemistry, 159 prosp. 100-letiya Vladivostoka, 690022, Vladivostok, Russian Federation

    I. V. Sheveleva, V. A. Avramenko & S. Yu. Bratskaya

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  1. I. V. Sheveleva
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  2. V. A. Avramenko
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  3. S. Yu. Bratskaya
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Sheveleva, I.V., Avramenko, V.A. & Bratskaya, S.Y. Effect of acidity of the medium and polarization of the surface on albumin adsorption by carbon fibers. Russian Chemical Bulletin 51, 1006–1008 (2002). https://doi.org/10.1023/A:1019613702521

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  • DOI: https://doi.org/10.1023/A:1019613702521

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