Indirect Production of No Carrier Added (NCA) (177)Lu from Irradiation of Enriched (176)Yb: Options for Ytterbium/Lutetium Separation

Current Radiopharmaceuticals
Ashutosh DashAmbikalmajan M R Pillai

Abstract

This article presents a concise review of the production of no-carrier-added (NCA) (177)Lu by the 'indirect' route by irradiating ytterbium-176 ((176)Yb)-enriched targets. The success of this production method depends on the ability to separate the microscopic amounts of NCA (177)Lu from bulk irradiated ytterbium targets. The presence of Yb(+3) from the target in the final processed (177)Lu will adversely affect the quality of (177)Lu by decreasing the specific activity and competing with Lu(+3) complexation since ytterbium will follow the same coordination chemistry. Ytterbium and lutetium are adjacent members of the lanthanide family with very similar chemical properties which makes the separation of one from the other a challenging task. This review provides a summary of the methods developed for the separation and purification of NCA (177)Lu from neutron irradiated (176)Yb-enriched targets, a critical assessment of recent developments and a discussion of the current status of this (177)Lu production method.

Citations

Oct 25, 2016·Nuclear Medicine and Biology·Maroor Raghavan Ambikalmajan PillaiFurn F Russ Knapp
Dec 14, 2018·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·Sridhar SahooA Dash
Jun 7, 2016·Journal of Labelled Compounds & Radiopharmaceuticals·Rubel ChakravartyAshutosh Dash

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