Abstract
Hybrid organosilicon structures prepared by the sol-gel method from tetraethoxysilane, methyltriethoxysilane, and polyethylene glycol 3000 under the conditions of base catalysis were used as a matrix for immobilization of whole cells of methylotrophic yeast for developing heterogeneous biocatalysts. The influence of the precursor ratio on the time of formation of the organosilicon sol-gel structure under the conditions of base catalysis was examined. According to the IR data, the structure obtained with 50 vol % methyltriethoxysilane has the highest content of Si-O-Si bonds. Examination by scanning electron microscopy showed that microorganism cells under these conditions are centers of formation of the sol-gel structure.
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Original Russian Text © O.A. Kamanina, D.G. Fedoseeva, T.V. Rogova, O.N. Ponamoreva, I.V. Blokhin, A.V. Machulin, V.A. Alferov, 2014, published in Zhurnal Prikladnoi Khimii, 2014, Vol. 87, No. 6, pp. 753–759.
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Kamanina, O.A., Fedoseeva, D.G., Rogova, T.V. et al. Synthesis of organosilicon sol-gel matrices and preparation of heterogeneous biocatalysts based on them. Russ J Appl Chem 87, 761–766 (2014). https://doi.org/10.1134/S1070427214060160
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DOI: https://doi.org/10.1134/S1070427214060160