IRSN, Institut de radioprotection et de sûreté nucléaire

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Enhancing Nuclear Safety


Research at the IRSN

The mission of the IRSN in terms of research is not simply the acquisition of new scientific knowledge, but also the development of technical risk management tools and a contribution to the development of the expertise available within the Institute.

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News and Agenda


The 19th issue of Aktis, IRSN’s scientific newsletter, is available

The nineteenth English-language issue of Aktis, the quarterly newsletter on IRSN’s research, is available on a HTML and PDF package. In this issue, focus on whether the vascular endothelium is a key target for improving radiotherapy treatments.



Reduction of the side effects of aerodigestive tract radiotherapy on bone tissue. Launch of the IXBONE project

​The IRSN has launched its IXBONE project, which aims to develop a new cell therapy strategy to limit induced side effects on bone tissue following radiation therapy used in the treatment of cancers of the upper respiratory and digestive tracts. The project receives funding from the ANR (Agence nationale de la recherche) obtained under the 2018 call for projects PRCE "Projet de recherche collaborative-Entreprise".



HDR viva

​Christelle Huet has defended her HDR Accidents radiologiques et radiothérapie stéréotaxique : développements méthodologiques pour une dosimétrie optimisée on 9th July 2019 in Fontenay-aux-Roses (France).



HDR viva

​​​Alkiviadis Gourgiotis has defended his HDR Sur le chemin de l’isotopie : développements analytiques et applications à la géochimie et à la radioprotection on 1st July 2019 in Fontenay-aux-Roses (France).



Symbiotic bacteria at the origin of magnetoreception in a microorganism

​A team of researchers primarily from the Biam (CEA-CNRS-Université Aix-Marseille) and the IRSN has discovered symbiotic behavior between magnetotactic bacteria and eukaryotic microorganisms.



IRSN doctoral students win lots of awards!

​This is a good time for IRSN doctoral students, whether they are just starting their thesis or recently defended it. On May 29, one of these students received one of the annual thesis prizes awarded by the PHENIICS Doctoral School. Two other doctoral students also received awards in recent weeks.



DIÈSE, a new facility to analyze particle deposition in a full-scale ventilation system

​A new facility called DIÈSE, dedicated to studying particle transfer in a full-scale ventilation system, has just been commissioned on the IRSN Saclay site.



Hydrogen risk: MITHYGENE project extended for a further three years

​The MITHYGENE project, which aims to improve our understanding of how to manage the hydrogen risk has been extended for a further three years, up to 2021. This industrial phase gathers researchers and engineers from IRSN, CEA-LIST and Arcys.



HDR viva

Marie-Odile Bernier has defended her HDR Risques sanitaires des rayonnements ionisants reçus dans le cadre d’expositions médicales on 3rd April 2019 in Le Kremlin-Bicêtre, France.


Our publishing

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Focus on...

  • CABRI CIP Program

    CABRI-programme_vignette_EN.jpgCreated in 2000, the objective of the Cabri International Program (CIP) is to study the behavior of nuclear fuel rods and cladding during a reactivity-injection accident (RIA) in a pressurized water reactor (PWR).