It was found that the stability of trypsin is higher than the stability of terrilytin in immobilization on cellulose or polyester fibre material in a composite with polyethylene oxide with a molecular weight of 1.5, 4, or 6 kDa. The optimum compositions are cellulose and polyester materials containing terrilytin or trypsin and 2.5% PEO with MW of 6 kDa or trypsin and 0.5% PEO with MW of 1.5 kDa. The fibre materials containing immobilized terrilytin with polyethylene oxide are resistant to radiation sterilization. The activity increases by 2-4 times in comparison to the initial materials in storage of sterilized samples at room temperature for 2 years.
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Translated from Khimicheskie Volokna, No. 2, pp. 21-24, March-April, 2010.
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Antipova, A.A., Yudanova, T.N., Papkov, M.A. et al. Immobilization of protease composites with polyethylene oxide on fibre substrates. Fibre Chem 42, 99–102 (2010). https://doi.org/10.1007/s10692-010-9231-x
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DOI: https://doi.org/10.1007/s10692-010-9231-x