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QSA Global, Niowave to collaborate on Ac-225 production using Ra-226
QSA Global, a provider of radioisotope products, and Niowave, a Michigan-based producer of medical radioisotopes, announced that the companies will codevelop a scalable radium purification process using Niowave’s radium-226 processing technology to meet the demand for actinium-225, an alpha-emitter used in the treatment of cancer. According to the companies, the strategic partnership marks a significant advancement in the field of radiopharmaceutical technology, enhancing the supply chain for critical radioisotopes, including Ac-225.
Niowave uses a closed-loop cycle to produce high-purity Ac-225 and other alpha emitters from Ra-226 using a superconducting electron linear accelerator. According to the company’s website, the electron beam impinges on a photon converter to irradiate the Ra-226, inducing a photon-neutron reaction to Ra-225, which decays to Ac-225.
A.V. Arzhannikov, V.T. Astrelin, A.V. Burdakov, P.V. Denisenko, V.G. Ivanenko, V.S. Koidan, V.V. Konyukhov, A.G. Makarov, K.I. Mekler, P.I. Melnikov, V.S. Nikolaev, S.S. Perin, S.V. Polosalkin, V.V. Postupaev, A.F. Rovenskikh, S.L. Sinitsky
Fusion Science and Technology | Volume 35 | Number 1 | January 1999 | Pages 112-118
Topical Review Lectures | doi.org/10.13182/FST99-A11963834
Articles are hosted by Taylor and Francis Online.
A short review of recent results obtained at the GOL-3-II facility is presented. This facility is an open trap with 12 m long plasma column with a longitudinal magnetic field of 4.5 T in the uniform part and 9 T in the end mirrors. There is the possibility to change the magnetic field configuration. Plasma density can be varied in 1014÷1017 cm−3 range. A microsecond electron beam with total energy of 0.2 MJ is injected into the plasma through the input mirror.
Collective interactions of an electron beam with a plasma and its fast heating are studied at this facility. An efficiency of collective electron beam deceleration up to 40% is achieved in a 1015 cm−3 plasma. The average electron temperature of ∼2 keV at plasma density (1–2) 1015 cm−3 is obtained. With two-stage heating of a dense (∼1016 cm−3) plasma the electron temperature of 300÷500 eV and the ion temperature of 100÷200 eV are reached.
Prospects of experiments on multimirror and «wall» plasma confinement at GOL-3-II facility are discussed.