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

STRUCTURAL INSIGHTS INTO NOVEL CHELATORS FOR ACTINIDE AND LANTHANIDE SEPARATIONS

Feb 16, 2026, 5:22 PM
20m
Pacifico Room (Grand Hotel Mediterraneo)

Pacifico Room

Grand Hotel Mediterraneo

Oral presentation 5. Energy & Decommissioning 5. Energy & Decommissioning - Mon_S3_D

Speaker

Prof. Ilja Popovs (University of Tennessee)

Summary

This work presents a design framework for next-generation chelators that selectively bind f-elements. Polydentate O/N-donor ligands with conformational “locks” reduce entropic costs and tightly control first-sphere coordination, as confirmed by X-ray, UV–Vis, NMR, and DFT analyses. The ligands amplify small coordination differences across the lanthanide series, tracking lanthanide contraction with notable inflection points. The resulting chelators enable faster, more efficient separations for applications from medical-isotope production to spent nuclear-fuel reprocessing.

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Author

Prof. Ilja Popovs (University of Tennessee)

Presentation materials

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