Feb 15 – 19, 2026
Grand Hotel Mediterraneo
Europe/Rome timezone
12th International Conference on Isotopes - 12ICI

PRODUCTION OF NO-CARRIER-ADDED HOLMIUM-166 BY DOUBLE NEUTRON CAPTURE AT MCMASTER NUCLEAR REACTOR

Feb 19, 2026, 8:59 AM
20m
Plenaria: Africa Room (Grand Hotel Mediterraneao)

Plenaria: Africa Room

Grand Hotel Mediterraneao

Oral presentation 1. Isotopes Production and Devices 1. Isotopes Production and Devices - Thu_S1_A

Speaker

Dr Karin Nielsen (McMaster University)

Summary

This work evaluates the production of NCA 166Ho by double neutron capture of 164Dy, followed by chemical separation from 166Dy. The highest yields of 2.3 GBq 166Ho was achieved after the first processing cycle and 0.74 GBq after a second processing cycle. Although a high 166Ho recovery is seen after the first processing cycle the product is not fully carrier free, as traces of 165Ho remain from the decay of 165Dy that never converted to 166Dy during the neutron irradiation. An improved labeling efficiency was seen for 166Ho from second processing cycle.

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Author

Dr Karin Nielsen (McMaster University)

Co-authors

Dr Derek Morim (McMaster University) Dr Karin Stephenson (McMaster University) Kelly Wright (McMaster University) Dr Matthew Moran (McMaster University)

Presentation materials

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