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Photocatalytic properties and structure of chitosan-based porphyrin-containing systems

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Abstract

The photocatalytic activity of the disodium salt of substituted hematoporphyrin in a model reaction of tryptophan oxidation in the presence of chitosan with different molecular masses and a block copolymer of ethylene and propylene oxides (Pluronic F-127) is studied. It is shown that, in the presence of the Pluronic, the catalytic activity of the chitosan-porphyrin system increases. The structure of chitosan-Pluronic systems, depending on the molecular mass of chitosan and the presence of porphyrin, is examined by AFM. A pleasible mechanism of the influence of the Pluronic on the photocatalytic activity of chitosan-por-phyrin systems is proposed.

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Authors and Affiliations

  1. Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119991, Russia

    N. A. Aksenova, V. A. Timofeeva, S. Z. Rogovina, P. S. Timashev, N. N. Glagolev & A. B. Solov’eva

Authors
  1. N. A. Aksenova
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  2. V. A. Timofeeva
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  3. S. Z. Rogovina
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  4. P. S. Timashev
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  5. N. N. Glagolev
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  6. A. B. Solov’eva
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Corresponding author

Correspondence to N. A. Aksenova.

Additional information

Original Russian Text © N.A. Aksenova, V.A. Timofeeva, S.Z. Rogovina, P.S. Timashev, N.N. Glagolev, A.B. Solov’eva, 2010, published in Russian in Vysokomolekulyarnye Soedineniya, Ser. B, 2010, Vol. 52, No. 2, pp. 314–320.

This work was supported by the Russian Foundation for Basic Research (project nos. 07-03-00100 and 07-02-00066).

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Aksenova, N.A., Timofeeva, V.A., Rogovina, S.Z. et al. Photocatalytic properties and structure of chitosan-based porphyrin-containing systems. Polym. Sci. Ser. B 52, 67–72 (2010). https://doi.org/10.1134/S1560090410010100

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  • DOI: https://doi.org/10.1134/S1560090410010100

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