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Cryostructuration of polymer systems. XXIV. Poly(vinyl alcohol) cryogels filled with particles of a strong anion exchanger: Properties of the composite materials and potential applications

Authors

  • Irina N. Savina,

    1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russia
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  • Amro Hanora,

    1. Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P. O. Box 124, S-22100, Lund, Sweden
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  • Fatima M. Plieva,

    1. Protista International AB, P.O. Box 86, SE-26722 Bjuv, Sweden
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  • Igor Y. Galaev,

    1. Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P. O. Box 124, S-22100, Lund, Sweden
    2. Protista International AB, P.O. Box 86, SE-26722 Bjuv, Sweden
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  • Bo Mattiasson,

    1. Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P. O. Box 124, S-22100, Lund, Sweden
    2. Protista International AB, P.O. Box 86, SE-26722 Bjuv, Sweden
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  • Vladimir I. Lozinsky

    Corresponding author
    1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russia
    • A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russia
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Abstract

A composite material produced from a poly(vinyl alcohol) cryogel with entrapped particles of the strong anion-exchange resin Amberlite is presented. The properties of the composite material depended strongly on whether the resin was used in OH form or Cl form. The ion-exchange filler in OH form caused both a significant reinforcement of the composite material and an increase in the gel fusion temperature. These effects were thought to be associated with the additional ionic bonding between the continuous and disperse phases. Beads 200–600 μm in size were prepared from the composite material and used in expanded-bed ion-exchange chromatography for the capture of the negatively charged solutes benzoate and lactate from the suspension of negatively charged cells. The plausibility of the approach has been demonstrated on model systems composed of yeast cells and benzoate and with a real fermentation broth produced after lactic acid fermentation. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 95: 529–538, 2005

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