Publication

Anaerobic calorimetry of the growth of Lactobacillus helveticus using a highly sensitive bio-RCl

Urs von Stockar, Ian William Marison
1999
Journal Articles

Abstract

To meet the need for studies of anaerobic microbial and animal cell cultures involving much lower heat effects as compared to aerobic microbial cultures, a bench scale calorimeter, Bio-RCl, has been improved for achieving a higher long-term sensitivity. This newly improved Bio-RCl was used for heat measurement of anaerobic growth of Lactobacillus helveticus. The results showed that the bench-scale calorimetry has powerful potential for online monitoring and control of anaerobic bioprocesses as well as fundamental studies, such as stoichiometry, thermodn. and kinetics of cellular growth. [on SciFinder (R)]

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https://infoscience.epfl.ch/entities/publication/dd9973f2-cda1-4af1-90f7-9ac7f485a5ec

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Urs von Stockar, Ian William Marison
1999
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/dd9973f2-cda1-4af1-90f7-9ac7f485a5ec

About this result

Related concepts (32)

Anaerobic organism

An anaerobic organism or anaerobe is any organism that does not require molecular oxygen for growth. It may react negatively or even die if free oxygen is present. In contrast, an aerobic organism (aerobe) is an organism that requires an oxygenated environment. Anaerobes may be unicellular (e.g. protozoans, bacteria) or multicellular. Most fungi are obligate aerobes, requiring oxygen to survive. However, some species, such as the Chytridiomycota that reside in the rumen of cattle, are obligate anaerobes; for these species, anaerobic respiration is used because oxygen will disrupt their metabolism or kill them.

Heat

In thermodynamics, heat is the thermal energy transferred between systems due to a temperature difference. In colloquial use, heat sometimes refers to thermal energy itself. An example of formal vs. informal usage may be obtained from the right-hand photo, in which the metal bar is "conducting heat" from its hot end to its cold end, but if the metal bar is considered a thermodynamic system, then the energy flowing within the metal bar is called internal energy, not heat.

Heat transfer

Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes. Engineers also consider the transfer of mass of differing chemical species (mass transfer in the form of advection), either cold or hot, to achieve heat transfer.

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Anaerobic calorimetry of the growth of Lactobacillus helveticus using a highly sensitive bio-RCl

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