Journal
SCIENTIFIC REPORTS
Volume 4, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep06706
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Funding
- DOE Office of Science [DE-SC0007352]
- NSF [PHY-11-02511]
- Department of Energy National Nuclear Security Administration [DE-NA0000979]
- U.S. Department of Energy (DOE) [DE-SC0007352] Funding Source: U.S. Department of Energy (DOE)
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The work presented here describes a proof-of-principle experiment for the chemical extraction of Cu-67 from an aqueous beam stop at the National Superconducting Cyclotron Laboratory (NSCL). A 76 MeV/A Cu-67 beam was stopped in water, successfully isolated from the aqueous solution through a series of chemical separations involving a chelating disk and anion exchange chromatography, then bound to NOTA-conjugated Herceptin antibodies, and the bound activity was validated using instant thin-layer chromatography (ITLC). The chemical extraction efficiency was found to be 88 +/- 3% and the radiochemical yield was >= 95%. These results show that extraction of radioisotopes from an aqueous projectile-fragment beam dump is a feasible method for obtaining radiochemically pure isotopes.
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