Herein, a rapid processing scheme to isolate radionuclidic and radioisotopically pure 225Ac in good yield (98%) produced from 229Th that contains significant quantities of 228Th activity is described. The characterization of each step of the process is presented along with the detailed ...
An improved method for the production of Ac‑225/Bi‑213 from Th‑229 for targeted alpha therapy. Solvent Extraction and Ion exchange 2007; 25:339.Zielinska B, Apostolidis C, Bruchertseifer F, Morgenstern A (2007) An improved Method for the Production of Ac-225/Bi-213 from Th-229...
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A tandem generator system was developed for repeated isolation of 225 Ac ( α , 10 days) from the parent radionuclide 229 Th (7.3 × 10 3 years) sorbed on an anion-exchange column, with the subsequent sorption of Ac on a cation-exchange column and repeated elution of 213 Bi ( α , ...
Radiolabeling of DOTA-conjugated Lintuzumab with 225Ac: Comparison of Th 229-produced and High-Energy Proton Accelerator-produced 225Ac - ScienceDirectdoi:10.1016/j.jmir.2019.03.095Dr. Dale LudwigDr. Vimal PatelDr. Nitya RayJournal of Medical Imaging and Radiation Sciences...
225Ra-225Ac separationAlpha-particle spectrometryA new method for the determination of radium quartet (223,224,226,228Ra) in environmental samples by alpha-particle spectrometry with PIPS detectors is described. This uses225Ra as yield tracer, in equilibrium at the beginning with229Th. Thorium is...
Background: Actinium-225 is of interest for medical isotope production and there is on-going research into methods of producing Ac-225, either directly or via the decay of its parent isotopes (Th-229, Pa-229, and Ra-225). One method that has been suggested is the Th-230(p, 2n) Pa-...
~(229)Th~(225)Ra~(225)AcActivity standardizationFree parameter modelTDCRLiquid scintillation measurements of ~(229)Th in radioactive equilibrium with its progenies were carried out. The counting efficiency was determined by means of a free parameter model. The measurements were made in a custom-...
Evaluation of Specific Activity and Stable Impurities in 225Ac Derived from ISAC and 229Th Decaydoi:10.1016/j.jmir.2019.03.110Jenasee MynerichVictoria BrownMeelad SaekheieAndrew K. H. RobertsonValery RadchenkoJournal of Medical Imaging and Radiation Sciences...