• Oxygen measurements in small volumes
  • Microprofiling in e.g. sediments, biofilms or 3D cell cultures with high spatial resolution
  • Micro-invasive oxygen measurement in plant tissues or along gradients above surface structures like corals, coralline algae, etc.
  • Fast oxygen measurements in fast oxygen turnover reactions
  • Bare oxygen microsensors for localized corrosion measurements
  • Optically isolated microsensors for net photosynthesis rate determination
  • Ultra High Speed sensors for aquatic Eddy Covariance measurement

Oceanic pH Measurements

  • Accurate and timely pH Total Scale monitoring
  • Vital tool for environmental change
  • Performed even under harsh deep-sea conditions down to 4000m water depth

2D and 3D Cell Culture

  • Detection of dissolved oxygen levels and cellular oxygen demand in 2D and 3D (microfluidic) cell culture systems
  • Understanding available oxygen levels inside organ-on-a-chip systems
  • Evaluation of chip material gas permeability for material selection during microfluidic chip fabrication

Underwater Solution for O2 and pH

  • Pressure stable feed-through up to 4000 m depth
  • Variety of oxygen and pH sensors for underwater applications

Optical pH Sensors

  • General measurements in liquids
  • (Micro)Bioreactors
  • Aquaculture
  • Oceanography
  • Profiling in water
  • Environmental monitoring


  • Oxygen measurements in microfluidic chips
  • Chemical/enzymatic reactions
  • High-throughput screening
  • Lab-on-a-chip applications
  • Oxygen Nanoprobes for real-time response

Respiration Rates

  • Non-invasive oxygen measurements
  • Respiration in enclosed sediments, soils or biofilms
  • Measurement of respiration of plants, animals, algae or fish
  • Expand your experiment by using non-invasive pH sensors

Coral Studies

  • Study of coral photobiology
  • Monitoring dynamic diurnal changes in O2, pH and temperature on coral reefs in situ
  • Measurement of oxygen fluxes
  • Microprofiling above surfaces of hard corals

Ultra-High Speed Oxygen Sensors

  • Ultra-fast measurements in gas or aqueous samples with response times down to 0.3 sec
  • Eddy covariance / correlation measurements of oxygen fluxes

Solvent-Resistant Oxygen Sensors

  • Monitoring of oxygen during your reaction in pure or complex organic solvents
  • Determination of oxygen partial pressure in organic solvents

Dissolved Oxygen in Water

  • Oxygen levels in bioreactors or cell cultivation (together with our optical pH and temperature sensors)
  • Growth experiments of cells, microbes, fungi, plankton, aquatic animals and plants
  • General oxygen measurements in liquids

Oxygen Monitoring in Gas

  • General oxygen concentration measurements in ambient air or gaseous samples
  • Gas samples extracted e.g. from a sediment, soil, biofilm, bioreactor
  • Determination of oxygen content in sealed package samples

Corrosion Studies

  • Resolving oxygen gradients developed during corrosion
  • Studies on effects of corrosion inhibitors and other parameters influencing corrosion protection
  • Microbially influenced corrosion (MIC)
  • Biocorrosion dynamics in the environment


  • High spatial resolution with O2 fiber-optic microsensors
  • Applications in biogeochemistry
  • Biofilms 
  • Microbial mats
  • Microbial communities in extreme environments

Underwater OEM Solutions

  • For integration into custom-made underwater housings
  • Pressure stable feed-through up to 4000 m depth (400 bar)
  • Broad portfolio of compatible optical oxygen and pH sensors (with option -SUB)

Oxygen Permeation of Plastic Bottles

  • Non-invasive oxygen determination
  • Head-space or liquid measurement
  • For all transparent bottles


  • Oxygen measurements of enclosed sediment, soil, biofilm or plants

Simultaneous Gas & DO Measurements

  • Bimodal respirometers for measuring oxygen consumption rates
  • Experimental setup for simultaneous measurements of the dissolved oxygen tension and respiration activity in shake flask cultivations

Oxygen Permeation through Polymeric Substrates and Plastic Films

  • Custom measurement set-ups for the determination of oxygen permeability values
  • Contactless measurement for minimization contamination inside a measurement set-up from outside

Mussel Research

  • monitor the growth of mussels at different locations along a fjord 
  • advancement of non-invasive, remote monitoring techniques
  • measurement of oxygen fluxes between the sediment and the water column

Would you like to stay informed?