On-line sensitive lightness measurement of cell mass in Saccharomyces cerevisiae culture

摘要

An industrial spectrophotometer was used as a very accurate on-line sensor to investigate fast dynamic changes in yeast culture in the range of 0.5-5 g/l. High sensitive variation in biomass concentration of 0.015 g/l was detected. A fast dynamic response is conduced in a steady state continuous culture of Saccharomyces cerevisiae by an acetate pulse and biomass concentration profile clearly determined by this sensor. (authors) 11 refs.