Skip to main content

Isotope Science and Engineering Directorate

Advancing a healthy, secure and sustainable future

We are a global leader in isotope research, development, and production, meeting the nation's emerging needs for stable and radioactive isotopes.

From essential needs in the medical and industry to national security applications and basic research, the Isotope Science and Engineering Directorate (ISED) is at the forefront of isotope development for the Oak Ridge National Lab (ORNL) and the world.

Newspaper Icon
1946
Year ORNL made the first official shipment of a medical radioisotope produced at a nuclear reactor
Cog wheels icon
2020
Year plutonium-238 produced at ORNL went to Mars on board NASA's Perseverance rover
Globe Icon
70
Percent of the world's californium-252 supply that is produced by ORNL
Magnifying Glass
9
Elements on the periodic table discovered with the help of ORNL-produced isotopes and materials

Our Science

Facilities

Jeremy Busby

ISED provides excellent stewardship of ORNL’s nuclear and radiological facilities — the Radiochemical Engineering Development Center and numerous other hot cell facilities — that are critical in guiding the lab’s efforts to broaden the application of isotopes for energy, environmental, medical and national security purposes. 

Jeremy Busby
Associate Laboratory Director, Isotope Science and Engineering Directorate, Oak Ridge National Laboratory

News