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We are experts in SESI ionization. Since 2008, we have accumulated several years of experience in the development of industrial, security, and biomedical applications of SESI for research purposes.

Our technical team was part of the ETH-Zurich and developed a pre-commercial SESI source, which provided record ionization efficiency, enabling previously impossible studies.

Our core technology, called SUPER SESI, is the result of the last two years of research and product development.


  • FIT was founded in 2016 to develop and commercialize SESI and IMS systems to expand the applicability of mass spectrometry in the clinical arena.

  • Our goal is to serve the breath research community, so that large metabolites with low volatility can be routinely detected and analyzed in real time.

  • We aim to be recognized as a leading biotech company in the fields of non-invasive breath analysis, and real-time metabolomics.

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  • Team spirit: Our main value is the team. We believe that working together is the best way to achieve common objectives.

  • Commitment: We feel a great respect for scientists, medical doctors and researchers and for the biotechnical and biomedical field and our commitment is to help them as much as they need, so they can focus on their research.

  • Improvement: We are never satisfied. We always one more and better development, that is why we follow a continuous improvement philosophy.