Calorimetric investigation of aerobic fermentations
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A modified heat-flux, computer-assisted bench calorimeter is described for continuous in situ measurement of heat generated during the growth of microorganisms in submerged cultures under std. lab. conditions of temp., aeration, agitation, and pH. The calo ...
The heat generated by both batch and continuous cultures of the yeast Kluyveromycs fragilis was studied using a modified bench scale calorimeter. Batch cultures were used to measure the heat dissipation rates and the heat yields during fully aerobic and co ...
Measurements of the heat produced by Saccharomyces cerevisiae CBS 426 were used in conjunction with elemental and enthalpic balances to control fed-batch fermns. A proportional control using the ratio of carbon dioxide evolution rate to heat prodn. resulte ...
The growth physiol. of S. cerevisiae strains H1022 and Whi2+ was studied in aerobic batch and continuous (chemostat) cultures. Results from the measurement of biomass and medium components (off-line) together with O2, CO2, and heat measurements (online) we ...
Heat produced by hybridoma suspension cultures was continuously monitored in a 2-L heat-flux calorimeter. Heat measurements reflected changes in the metabolic state of the culture under different aeration conditions. A highly anaerobic metab. was indicated ...
A novel heat-flux calorimeter was used to study the growth of Kluyveromyces fragilis on a variety of C substrates. Heat liberated was directly related to biomass formed and also to O2 consumed. Heat yield coeffs. derived from these relationships allowed th ...
Four models taken from the literature, which permit calcn. of heats of combustion from elemental anal., are evaluated from a theor. point of view. In order to obtain exptl. values of heat of combustion with a higher degree of accuracy than that in the lite ...
A novel bench-scale calorimeter, which is based on a heat-flux principle and modified to accommodate biol. reactions, was evaluated for detg. the heat evolution rate of an aerobic culture of the yeast Kluyveromyces fragilis grown on lactose. The instantane ...
