Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving viable micro-organism
Patent
1981-11-24
1984-04-24
Lander, Ferris H.
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving viable micro-organism
435256, 435813, C12Q 129
Patent
active
044448821
ABSTRACT:
Cultivation of microorganisms is controlled by measuring a pressure in a cultivation tank, a flow rate of effluent gas from the cultivation tank, and a concentration of carbon dioxide gas in the effluent gas, calculating a partial pressure of carbon dioxide gas in the cultivation tank and an amount of a carbon dioxide gas produced by the microorganisms, calculating an amount of propagated microorganism cells from the resulting partial pressure of carbon dioxide gas and the amount of produced carbon dioxide gas, thereby calculating an amount of microorganism cells in culture liquor, and supplying a substrate in an amount controlled in accordance with the resulting amount of microorganism cells in culture liquor.
Microorganisms can be cultivated in high yield and at a high product concentration.
REFERENCES:
patent: 3929582 (1975-12-01), Kellner
Odawara Yooji
Saitou Setsuo
Shimizu Norio
Ueno Masao
Yamaguchi Tetsuo
Beall Mary Louise
Hitachi , Ltd.
Lander Ferris H.
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