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Published in: Journal of Sol-Gel Science and Technology 2/2023

10-08-2022 | Original Paper: Sol-gel and hybrid materials for catalytic, photoelectrochemical and sensor applications

Characterization of the catalytic ability and surface properties of a heterogeneous biocatalyst obtained by the sol-gel method

Authors: P. V. Rybochkin, O. A. Kamanina, E. A. Lantsova, V. A. Arlyapov, E. A. Saverina

Published in: Journal of Sol-Gel Science and Technology | Issue 2/2023

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Abstract

A heterogeneous biocatalyst was obtained by immobilizing the cells of the yeast Debaryomyces hansenii VKM Y-2482 and the bacteria Paracoccus yeei VKM B-3302 into an organosilica material using the sol-gel method. The catalytic activity of immobilized cells was characterized using a heterogeneous biocatalyst as a bioreceptor element of the biosensor. The surface properties of the synthesized material were studied using the BET and BJH methods. It was shown that a heterogeneous biocatalyst with a composition of 50 vol.% MTES and 50 vol.% TEOS exhibited the highest catalytic efficiency. The formed material was mesoporous with slit-like pores. It was shown that the BOD-biosensor with the developed heterogeneous biocatalyst allows data to be obtained that were consistent with the certified method for determining the BOD.

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Metadata
Title
Characterization of the catalytic ability and surface properties of a heterogeneous biocatalyst obtained by the sol-gel method
Authors
P. V. Rybochkin
O. A. Kamanina
E. A. Lantsova
V. A. Arlyapov
E. A. Saverina
Publication date
10-08-2022
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 2/2023
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-022-05915-9

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