MiPNet08.12 IOC22: Difference between revisions
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|instruments=Oxygraph-2k, NO, O2k-Protocol | |instruments=Oxygraph-2k, NO, O2k-Protocol | ||
|additional=O2k-Demo, O2k-MultiSensor | |additional=O2k-Demo, O2k-MultiSensor, O2k-Core | ||
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Latest revision as of 12:09, 27 October 2023
MiPNet08.12 IOC22
NO effect on mitochondrial oxygen kinetics at low oxygen. O2k workshop Report. |
Oroboros (2011-12-11) Mitochondr Physiol Network
Abstract: Gnaiger E, Doeller JE, Kraus D, Shiva S, Brookes PS, Darley-Usmar VM (2011) NO effect on mitochondrial oxygen kinetics at low oxygen. O2k workshop Report. Mitochondr Physiol Network 08.12(07). ยปVersions
A single pilot experiment was carried out during an O2k workshop on high-resolution respirometry (IOC22). Respiration of isolated rat liver mitochondria was inhibited by addition of NO, which increased the sensitivity to oxygen >25-fold when compared to the half-saturation oxygen pressure, p50, in the absence of NO. Oxygen kinetics followed a monophasic hyperbolic function up to 2.2 kPa with NO (p50=0.93 kPa), compared to the standard oxygen range to 1.1 kPa without NO (p50=0.035 kPa).
Reference: Biochim Biophys Acta 1797: 557-565 (2010)
- ยป Product: Oroboros O2k, O2k-Catalogue
โข O2k-Network Lab: AT_Innsbruck_Oroboros, US_AL Birmingham_Kraus DW
Labels: MiParea: Respiration, Instruments;methods
Stress:Oxidative stress;RONS Organism: Rat Tissue;cell: Liver Preparation: Isolated mitochondria
Regulation: Inhibitor, Oxygen kinetics Coupling state: OXPHOS
HRR: Oxygraph-2k, NO, O2k-Protocol
O2k-Demo, O2k-MultiSensor, O2k-Core