Availability Alerts
![Barium-133 isotope with Atomic Mass and Weight](/sites/default/files/styles/max_325x325/public/2019-06/Barium%20Element%20Graphic.jpg?itok=LT-AKV9d)
Barium-133 Now Available
A limited quantity of Barium-133 (Ba-133) is now available through the U.S. Department of Energy Isotope Program (DOE IP).
![Zirconium-88 and Yttrium-88 are used as diagnostic tools in nuclear security applications](/sites/default/files/styles/max_325x325/public/2020-02/Z-88%20and%20Y-88%20graphic.png?itok=YQXyn23-)
New Batches of Zirconium-88 and Yttrium-88 Available Soon
The DOE IP inventory of radioactive isotopes zirconium-88 (Zr-88) and yttrium-88 (Y-88)
![Actinium-225 in capsule](/sites/default/files/styles/max_325x325/public/2019-10/Actinium-225%20Capsule.png?itok=oD6n5B1f)
New Batch of Actinium-225 Available in November
A new batch of accelerator-produced actinium-225 (Ac-225) will be available through the U.S. Department of Energy Isotope Program (DOE IP) in mid-November 2019.
![Actinium-225](/sites/default/files/styles/max_325x325/public/2019-06/bigstock--153036395.jpg?itok=byfX8HEv)
Actinium-225 Available in June
A new batch of accelerator-produced actinium-225 (Ac-225) will be available through the U.S. Department of Energy Isotope Program (DOE IP) in mid to late June 2019. This alpha-emitting radionuclide and its decay product bismuth-213 (Bi-213), from an Ac-225/Bi-213 generator, has gained considerable interest within the medical community for their radioimmunotherapy applications.
![Actinium-225](/sites/default/files/styles/max_325x325/public/2019-05/bigstock--153036395_1.jpg?itok=1S0Hx1-H)
Actinium-225 Available in May
A new batch of accelerator-produced actinium-225 (Ac-225) will be available through the U.S. Department of Energy Isotope Program (DOE IP) in early May 2019.