Cookies help us deliver our services. By using our services, you agree to our use of cookies. More information

Gnaiger 1980 Thermal Analysis, Birkhaeuser

From Bioblast
Revision as of 17:47, 22 November 2021 by Gnaiger Erich (talk | contribs) (Created page with "{{Publication |title=Gnaiger E (1980) Direct and indirect calorimetry in the study of animal anoxibiosis. A review and the concept of ATP-turnover. Thermal Anylysis, Birkhäus...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Publications in the MiPMap
Gnaiger E (1980) Direct and indirect calorimetry in the study of animal anoxibiosis. A review and the concept of ATP-turnover. Thermal Anylysis, Birkhäuser Proc 6th Internat Conference Thermal Analysis: 547-52.


Gnaiger E (1980) Thermal Anylysis, Birkhäuser

Abstract: Direct microcalorimetric measurements of anoxic heat production in animals tend to be higher than expected from calculations based on biochemical and thermodynamic data (indirect calorimetry). Bioenergetic and thermodynamic analysis of known biochemical pathways reveald that 1) the proportionality factor relating the ratio of ATP-turnover to the rate of heat production in dissipative metabolism, CdATP is not a constant; under anoxia this caloric equivalent of dissipative ATP-turnover is up to two times less than under aerobic conditions. 2) The varability of CdATP is due to the entropy of reaction (compensation heat), T Sr which compensates for up to 50 % of the anoxic dissipative heat T iS. Hence the rate of internal entropy production (the dissipation function), T diS dt-1 is not equivalent to the anoxic rate of metabolic heat production. This approximation holds true for aerobic conditions only.

Bioblast editor: Gnaiger E O2k-Network Lab: AT Innsbruck Oroboros


Labels: MiParea: Respiration 

Stress:Hypoxia  Organism: Fishes, Annelids, Molluscs 

Preparation: Intact organism 




Microcalorimetry