An auxostat is a continuous culture device which, while in operation, uses feedback from a measurement taken on the growth chamber to control the media flow rate, maintaining the measurement at a constant.
Auxo was the Greek goddess of spring growth, and represents nutrients as a prefix. However, the most typical auxostats are pH-auxostats,[1] with feedback between the growth rate and a pH meter.
Other auxostats may measure oxygen tension, ethanol concentrations, and sugar concentrations [2]
References
edit- ^ Larsson G, Enfors SO (1990). "The pH-auxostat as a tool for studying microbial dynamics in continuous fermentation". Biotechnology and Bioengineering. 36 (3): 224–232. doi:10.1002/bit.260360303. PMID 18595072.
- ^ Gostomski P, Muhlemann M, Lin YH, Mormino R, Bungay H (1994). "Auxostats for continuous culture research". Journal of Biotechnology. 37 (2): 167–177. doi:10.1016/0168-1656(94)90008-6.
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