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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Use of bioluminometry for determination of active yeast biomass immobilized in ionotropic hydrogels.

The technique of bioluminometry was used to determine the biomass concentration of yeast cells immobilized in ionotropic hydrogel beads, including alginate, pectate, and kappa-carrageenan. The method uses determination of ATP extracted from viable cells, the concentration of which is then expressed as the active biomass concentration. Seven yeast strains divided into three categories (brewing, wine-making, and ethanol-producing yeasts) were tested, and different biomass concentrations were determined in all three immobilization materials. The described method is characterized by a good correlation (up to 99%) to classical dry biomass determination. The method is quicker, easier, and not so laborious, providing sufficient determination accuracy, and can be used for a rapid estimation of viable biomass in most biotechnological processes using immobilized living cells.[1]

References

  1. Use of bioluminometry for determination of active yeast biomass immobilized in ionotropic hydrogels. Navrátil, M., Dömény, Z., Hronský, V., Sturdík, E., Smogrovicová, D., Gemeiner, P. Anal. Biochem. (2000) [Pubmed]
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