Please use this identifier to cite or link to this item:

TitleA bioareactor based on optical measurements for Baker's yeast fermentation
Author(s)Soares, Filomena
Gomes, Pedro
Correia, J. H.
Yeast fermentation
Issue date15-Sep-2002
PublisherCzech Technical University (CTU)
CitationEUROPEAN CONFERENCE ON SOLID-STATE TRANSDUCERS, 16, Prague, 2002– “Eurosensors XVI : book of abstracts”. Prague : Czech Technical University, 2002. ISBN 80-01-02576-4.
Abstract(s)This paper presents a bioreactor for baker’s yeast fermentation. Small volumes are used in the bioreactor (< 100 ml) comparing with the macro setup (5 l). Biomass, ethanol and pH measurements are carried out by optical spectral analysis: the first two by optical absorption method and the last one is determined by fluorescence. HPTS (8 Hydroxypyrene-1,3,6-trisulfonic acid Trisodium salt) is chosen for pH measurement due to be the most suitable for precise and stable pH analysis (aqueous acid/base, biomass, ethanol and glucose solutions). A resolution of 0.2 in pH scale was achieved. Known biomass concentrations are measured with a stable pH=4 (no interference between the two measurements). Design and implementation of a bioreactor-on-a-chip for baker’s yeast fermentation is the final goal of this study.
TypeBook part
AccessOpen access
Appears in Collections:DEI - Artigos em atas de congressos internacionais

Files in This Item:
File Description SizeFormat 
1121 Soares.pdfDocumento principal316,2 kBAdobe PDFView/Open

Partilhe no FacebookPartilhe no TwitterPartilhe no DeliciousPartilhe no LinkedInPartilhe no DiggAdicionar ao Google BookmarksPartilhe no MySpacePartilhe no Orkut
Exporte no formato BibTex mendeley Exporte no formato Endnote Adicione ao seu ORCID