Production of 64Cu and 67Cu with accelerator neutrons by deuterons and their separation from zinc
Yasuki Nagai, Masako Kawabata, Hideya Saeki, Shoji Motoishi, Kazuyuki Hashimoto, Kazuaki Tsukada, Arata Motomura, Akio Ohta, Naoki Takashima, Shintaro Hashimoto, Masatoshi Itoh, Hidetoshi Kikunaga, Shozo Furumoto
TL;DR
The paper introduces a new way to produce two important radioactive isotopes, 64Cu and 67Cu, using neutrons from an accelerator and zinc as a target.
Contribution
A novel production route for 64Cu and 67Cu using accelerator-generated neutrons and zinc irradiation is proposed and experimentally validated.
Findings
64Cu and 67Cu were successfully produced by irradiating 64Zn and 68Zn with accelerator-generated neutrons.
The measured activity and purity of the radionuclides matched simulated values.
Separation of the isotopes from zinc was achieved using sublimation and column separation techniques.
Abstract
The 64Cu/67Cu pair is an ideal set of theranostic radionuclides for treating patients based on their genetic profiles. We propose a novel production route for this radionuclide pair using accelerator-generated neutrons. We report experimental measurements of the absolute activity and radionuclide purity of 64Cu and 67Cu, produced by irradiating 64Zn and 68Zn with these neutrons. The measured results were consistent with simulated values. 64Cu and 67Cu were separated from the irradiated natural Zn and 68Zn using sublimation and column separation techniques. The production methods for 64Cu and 67Cu developed in this study are expected to enhance their availability in an economically sustainable manner.
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Taxonomy
TopicsParticle accelerators and beam dynamics · Nuclear Physics and Applications · Radiopharmaceutical Chemistry and Applications