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OROBOROS Oxygraph-2k - unique for high-resolution respirometry (HRR)
O2k - tested and trusted

OROBOROS innovations for highest quality - user-friendly - low running costs

 » makes the difference
 » O2k-Fluorometer
  • O2k-Protocols are complementary to the O2k-Manual and O2k-Publications. Users are encouraged to get involved, contribute and share their expertise

MitoFit highlights the benefits of mitochondrial fitness

O2k-Network Labs from all over the world join the unique network for O2k high-resolution respirometry

The Bengt Saltin Award was presented at The Saltin Symposium 2015 by HRH Crown Prince Frederik to Christoph Siebenmann.

Siddiqah George
We welcome Siddiqah George as the O2k-Network Manager South Africa, cooperating in on-site installations of the O2k and technical support.

Anthony Hickey
  • Scientific discussion - O2k vs XFe:

Tony Hickey: Calibration is my chief concern

Cellular concerns on microwells: But then the whole mix is thrown into a flat-bottomed microwell where the newly sprouted cells bunch up and do not exactly look or behave like cells grown au naturel. »more details«

1502 O2k-Publications in the MiPMap

New O2k-topic: Cryopreservation


  • High-resolution respirometry for simultaneous measurement of oxygen and hydrogen peroxide fluxes in permeabilized cells, tissue homogenate and isolated mitochondria. Biomolecules 5:1319-38. »Bioblast link«
  • Use of safranin for the assessment of mitochondrial membrane potential by high-resolution respirometry and fluorometry. Methods Enzymol 542:163-81. »Bioblast link«
  • Measurement of ADP-ATP exchange in relation to mitochondrial transmembrane potential and oxygen consumption. Methods Enzymol 542:333-48. »Bioblast link«

HRR and O2k-Fluorometry - OROBOROS brings high-resolution respirometry to you

  • Amazon, Manaus IOC103: To the heart of the Amazon: comparative cardiac mitochondrial physiology of Amazon fish. Expedition and O2k-Workshop on HRR and O2k-Fluorometry, Manaus, BR, 2015 Jul 06-11.
Impressum, OROBOROS track, Editorial board


Many O2k-Network Labs use multiple O2k-units as a ‘Power-O2k System’ of high-resolution respirometry for high output: Power-O2k •• O2k versus multiwell respirometer

O2k-Publications in the MiPMap The most popular O2k-Publication and O2k-Abstract in Bioblast
>18,000 views: Bouillaud 2012 Abstract Bioblast
>16,000 views: Pesta 2012 Methods Mol Biol
Bioblast wiki

Popular Bioblast pages

O2k-Network >70,000 views: Bioblast 2012 O2k-Network >60,000 views: O2k-Network O2k-Publications in the MiPMap >50,000 views: O2k-Publications
OROBOROS-Info >35,000 views: OROBOROS O2k-Catalogue MitoPedia >30,000 views: Respiratory states OROBOROS-Info >20,000 views: O2k-Feedback
MitoPedia >15,000 views: MitoPedia: Terms and abbreviations MitoPedia >10,000 views: Coupled respiration MitoPedia >5,000 views: Flux control ratio
Bioblast start page: accessed >400,000 times (2015-05-31) - What is BIOBLAST Bioblast wiki
OROBOROS start page: accessed >180,000 times (2015-07-03) - What is OROBOROS OROBOROS info
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