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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    The SARRP irradiator




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News and Agenda


IRSN's theses days

IRSN's theses days 2019 will start on Monday, April 1st until Thursday, April 4th and will take place in La Grande-Motte (France). This seminar, which takes place every year, is a unique event for the IRSN PhD students to exchange and meet.



Postdoctoral scholar Nagore Grijalba awarded at the EWCPS 2019

Nagore Grijalba, a postdoctoral scholar at IRSN’s Radiochemistry, Speciation and Imaging Laboratory (LRSI), won an award for the poster that she presented at the 18th European Winter Conference on Plasma Spectrochemistry (EWCPS 2​019).



Thesis viva

Kasi Gajavalli will defend his thesis Experimental Contribution to Thermodynamics of the Ag-Cd-In, In-Zr and In2O3-ZrO2 Systems on 19th March 2019 in Cadarache.



The 18th issue of Aktis, IRSN’s scientific newsletter, is available

​The eighteen 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 aging the concrete in geological disposal of radioactive waste.



Two days dedicated to post accident management as part of TERRITORIES

​The IRSN has jointly organized, with the CLIN of Le Blayais and the Nuclear Protection Assessment Research Center (CEPN), a workshop on the management of regions after a nuclear accident. This event took place on December 11 and 12, 2018, at the Gironde (Bordeaux) Departmental Council as part of the European research project TERRITORIES.



4th IRBA Symposium on Radiobiology: Best Poster Award for Frédéric Soysouvanh

​Frédéric Soysouvanh, PhD student at the Radiobiology of Medical Exposure Laboratory (LRMed) of IRSN, received a Best Poster Award from the Armed Forces Biomedical Research Institute (IRBA) during its 4th radiobiology symposium, held November 6 and 7 in Paris.



Five-day training about dosimetry uncertainty in April 2019

​The French Institute for Radiation Protection and Nuclear Safety (the "IRSN") is co-organizing a training course on "Uncertainty in biological, physical and internal dosimetry following a single exposure", to be held at IRSN (Fontenay-aux-Roses, France) from April 15th to April 19th, 2019.



A formal Chancellerie prize for Marie Kerveillant

​Marie Kerveillant, who defended her thesis in management sciences in April 2017, has won one of the Aguirre-Basualdo prizes in Economics and Management, awarded by the Chancellerie des universités de Paris. She received her award during an official ceremony on December 4th at the Sorbonne in Paris.



Recruitment for PhD proposals at the IRSN laboratories for the 2019 academic year has started !

​Additional information on the thesis (description, tutor name, research unit, etc.) are also available by clicking on the subject.The first step to apply is to contact the tutor of the thesis by sending CV and application letter. If your profile interests him, he will tell you the rest of the process. ​



Inaugural irradiations with the MIRCOM microbeam

​First irradiation run for the MIRCOM system, which received the go-ahead in mid-October from French Nuclear Safety Authority (the "ASN"). These initial "shots" at cells will allow final specification of microbeam characteristics.



Jacques Dalla Torre award granted to Paul Eyméoud

​Paul Eyméoud, a PhD student at IRSN's Material Physics and Thermal-Mechanics Laboratory (LPTM), received the 2018 Jacques Dalla Torre award on November 21 from the French Society for Metallurgy and Materials (SF2M). This award has been presented each year since 2006 to a young materials physicist in the field of modeling.



HEIR Conference: An Award for Manon Jacquemin

​Manon Jacquemin, a doctoral student at LEDI (Internal Dose Assessment Laboratory), won first place among the presentations given by young researchers at the HEIR Conference which took place from October 8 to 11 in Fontenay-aux-Roses.



SFRO conference: a Best Poster Award for Alexia Lapière

​Alexia Lapière, a doctoral student at IRSN's LRMed* (Radiobiology of Medical Exposure Laboratory) won a best poster prize at the 29th conference of the French Society for Oncological Radiotherapy (SFRO) which took place October 4 to 6 at La Défense (France).



12th International Conference on the Health Effects on Incorporated Radionuclides (HEIR)

​​HEIR 2018, the 12th International Conference on the Health Effects of Incorporated Radionuclides, opens Monday, October 8 at the IRSN headquarters in Fontenay-aux-Roses, France, and runs until October 11, 2018.



Skin contamination by radionuclides: the first emergency treatment is on the market

​Since July 2018, Cevidra has marketed Cevidra® Calixarene, the first emergency local treatment for skin contamination by actinides.The treatment, a simple-to-use cleansing cream, prevents uranium from passing through the skin barrier by more than 95%, and was developed during two theses at IRSN in partnership with the Institut Galien Paris-Sud (UMR CNRS 8612) and the Defense Procurement Agency (DGA).


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).