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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

The OROBOROS MitoFit team at the finish line - all together and very wet and well (l to r): Erich, Carolina-AT, Verena L, Carolina-ES, Karolina-PT, Verena E, Georg, Dominik, Ondrej

MitoFit highlights the benefits of mitochondrial fitness

OROBOROS pictures reaching the world

Ouroboros Manaus-Sao Paulo 4631.JPG

An Ouroboros tattoo from Sao Paulo walking in Manaus - observed during the O2k-Workshop July 2015.

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

To the heart of the Amazon

To the heart of the Amazon: can mitochondria from fish heart help understanding why human heart mitochondria work the way they do? - An O2k-Workshop and pilot project with the O2k-Network Lab in Manaus: BR Manaus Val AL

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«

1522 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
>17,000 views: Pesta 2012 Methods Mol Biol
Bioblast wiki

Popular Bioblast pages

O2k-Network >75,000 views: Bioblast 2012 O2k-Network >70,000 views: O2k-Network O2k-Publications in the MiPMap >55,000 views: O2k-Publications
OROBOROS-Info >40,000 views: OROBOROS O2k-Catalogue MitoPedia >30,000 views: Respiratory states OROBOROS-Info >20,000 views: O2k-Feedback
MitoPedia >15,000 views: L.jpg LEAK respiration MitoPedia >10,000 views: Respiratory control ratios OROBOROS-Info >5,000 views: O2k-Fluo LED2-Module
Bioblast start page: accessed >410,000 times (2015-07-04) - What is BIOBLAST Bioblast wiki
OROBOROS start page: accessed >190,000 times (2015-07-21) - What is OROBOROS OROBOROS info
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