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Published on 26 August 2019

Gas sampling & analysis on-the-go


Since 1950, gas chromatography remains the top choice among laboratory techniques for complex gas-mixture analysis. Until now, these systems could be as largeas a table.
Leti, a specialist in microtechnologies, is introducing two highly miniaturized and low-cost gas sampling
and analysis lab-on-chip systems that fit in the hand:

  • PRIMOSAMP: samples gas into a removable cartridge. User can then inject the sample in any gas chromatograph.
  • PRIMOSENS: samples gas into a removable cartridge and performs a gas chromatography analysis.

  Applications:Air-quality and environmental monitoring

  • Defense and security
  • Process monitoring
  • Breath analysis
  • Protecting workers from breathing dangerous gas
  • Automotive

   What’s new?

PRIMOSAMP and PRIMOSENS are based on several innovations:

  • Low-cost solution: cost divided by 10 due to collective fabrication
  • Low-power solution: lower thermal capacity. Battery powered, both devices require 100x less energy than conventional gas chromatography systems
  • Easy to use: no gas bottle needed, meaning no maintenance required
  • Handheld device: highly miniaturized with same performance compared to existing systems
  • Performance: lower sampling volume and detection in the ppb range

Leti’s PRIMO devices leverage miniaturized silicon technology bricks, such as micro-preconcentrators, micro-valves, micro-columns and micro-detectors.

  • PRIMOSAMP includes a Leti micro-preconcentrator chip, a 12V battery and a commercial miniaturized gas pump
  • PRIMOSENS includes a Leti micro-preconcentrator and micro-thermal conductivity detector (μTCD), as well as a 12V battery, a commercial miniaturized gas pump and a gas chromatography column

primo sens.PNG

 What’s Next?

Leti’s team continues working on the PRIMO technology by:

  • Investigating new healthcare applications: breath sampling and analysis
  • Developing an embedded recognition algorithm and new absorbent material for pre-concentration
  • Studying the potential use of this technology beyond the lab, for the high-end consumer market


4 Patents

  •      FLYER


© Leti - Credits photos : L. Godart, CEA / Leti - 2018/08