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Digitale Medien

Significance of the surface of immobilized Saccharomyces cerevisiae cells in ethanolic fermentation (1988)

Berger, R. ; Rühlemann, I.

Berlin : Wiley-Blackwell

Acta Biotechnologica 8 (1988), S. 395-400

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Details

ISSN: 0138-4988

Schlagwort(e): Life Sciences ; Life Sciences (general)

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: S. cerevisiae cells immobilized in alginate beads show in many cases an increase of mean single cell volume during long-time fermentations (successive batch cycles). The biomass loading capacity of the gel beads is characterized by a maximum volume but not by a maximum number of cells occupying the gel volume. In our system this loading capacity, i.e. the maximum volume fraction of cells per volume of beads, amounted to about 0.54. As a more important result it must be stated that the specific product formation rate in the case of fermentations negligibly influenced by diffusion hindrance is related to the total surface of the viable cells but not to their total number, total volume or total dry weight.

Zusätzliches Material: 2 Tab.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/abio.370080502

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