APPLICATION OF POROUS CERAMIC SINTER AS A SUPPORT FOR IMMOBILIZATION OF  SACCHAROMYCES CEREVISIAE  YEAST CELLS

Aluminum ceramics with a high content of α–Al₂O₃ (ca. 97%) was analysed as a potential support for immobilized cells of Saccharomyces cerevisiae catalysing the process of ethanol fermentation. The study demonstrated that the mechanism of yeast immobilization consisted mainly in trapping the cells in the internal pores of the support and not on the adsorption surface. The presence of aluminum ions (a factor facilitating surface adsorption) in a suspension of yeast diminished adsorption capacity of the examined material. The amount of biomass bound by the support depended on the time of immobilization and yeast concentration in the solution (the porous material was immersed in). Immobilization of cells in porous aluminum ceramics did not evoke a reduction in their fermentation activity – dynamics of batch fermentation was similar to that of fermentation with free cells run under identical conditions.

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eISSN:	2083-6007
ISSN:	1230-0322

Digitalizacja artykułów publikowanych w kwartalniku PJFNS w celu zapewnienia otwartego dostępu do nich przez sieć Internet - zadanie finansowane w ramach umowy 607/P-DUN/2019 ze środków Ministra Nauki i Szkolnictwa Wyższego przeznaczonych na działalność upowszechniającą naukę.

Digitalization of scientific manuscripts published in PJFNS quarterly to enable open access to them in the Internet – task financed under the agreement no. 607/P-DUN/2019 from funds of the Minister of Science and Higher Education intended for science dissemination activities.

Utrzymanie procedur zabezpieczających oryginalność artykułów naukowych publikowanych w kwartalniku PJFNS - zadanie finansowane w ramach umowy 607/P-DUN/2019 ze środków Ministra Nauki i Szkolnictwa Wyższego przeznaczonych na działalność upowszechniającą naukę.

Maintenance of procedures assuring originality of scientific manuscripts published in PJFNS quarterly – task financed under the agreement no. 607/P-DUN/2019 from funds of the Minister of Science and Higher Education intended for science dissemination activities.