Method of controlling culture

Chemistry: molecular biology and microbiology – Condition responsive control process

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4352401, 4352402, 435243, 435244, 4352523, 43525233, 43525231, C12Q 300

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048913103

ABSTRACT:
A method of controlling culture wherein cells are aerobically cultured to produce metabolite is characterized by adding substrate and/or inducer to the culture broth, judging the endpoint of the growth of the cells and/or the production of the metabolite or terminating the culture under the guidance of a change in the ratio of the first parameter based on the amount of carbon dioxide evolved by the cell culture to the second parameter based on the amount of oxygen consumed by the cell culture. The ratio is a respiratory quotient, for instance.

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patent: 4493770 (1985-01-01), Moillet
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Biotech 83: Proceedings of the INternational Conference on the Commercial Applications and Implications of Biotechnology, London, 4th-6th May 1983, pp. 295-306, Online Publications, Northwood UK; T. Sumitani et al., "Automatic Control of Fermentor Using Microcomputer".
Chemical Abstracts, vol. 99, No. 23, 5th Dec. 1983, p. 609, abstract no. 193128y, Columbus, Ohio, U.S.A.; C. L. Cooney et al., "Application of Computer Control to Yeast Fermentation", & Modell Control Biotech. Processes, Proc IFAC Workshop, 1st 1982, 243-251 (1983).
Chemical Abstracts, vol. 85, No. 11, 13th Sep. 1976, p. 413, abstract no. 76311j, Columbus, Ohio, U.S.A.; S. Aiba et al., "Fed Batch Culture of Saccharomyces cerivisiae: A Perspective of Computer Control to Enhance the Productivity in Baker's Yeast Cultivation".
Journal of the Institute of Brewing, vol. 83, No. 5, 1977, pp. 317-318, London, GB; A. E. Humphrey, "The Use of Computers in Fermentation Systems".

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