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News in the Radiochemistry Group

News

New publication!!! A review paper led by Madeleine and Rachel: Transition metals separation with commercial neutral extractants – A Review. Nathalie A. Wall, Madeleine Forbes, Rachel Wood, Penafrancia Monte, Brittany Stieferman, Benjamin Burton-Pye, Lynn Francesconi, Deborah Penchoff, Charles C. Peterson, Nicolas Uhnak. 10.1080/07366299.2026.2629922 (2026)

Rachel’s first graduate paper is published, and Kai is co-author!!! Mechanistic Investigation of Co(II) Extraction by TODGA to Aid Nuclear Forensic Separations. Rachel Wood, Penafrancia Monte, Kai Schultze, Benjamin Burton-Pye, Lynn Francesconi, Nicolas Uhnak, Nathalie A. Wall*. 10.1080/00295639.2025.2607300 (2026)

Madeleine’s new paper “Extraction of iron(III) by tri-n-butyl phosphate from nitrate and chloride media” has been published!!! Extraction of iron(III) by tri-n-butyl phosphate from nitric and hydrochloric acid. Madeleine Forbes, Penafrancia Monte, Benjamin P. Burton-Pye, Andrea G. Mendez Locklear, Lynn C. Francesconi, Nicolas Uhnak, Nathalie A. Wall*. Solvent Extraction and Ion Exchange 44 (1), 71-92 (2026)

Madeleine Forbes was very busy in October 2025. Two oral presentations and two 3-minute thesis presentations!

Picture of M. Forbes presenting at SERMAC

Andrew Duckworth successfully passed his proposal defense on 05/06/2025

Rachel Wood successfully passed her proposal defense! 02/2025

Madeleine Forbes successfully passed her proposal defense. 05/2024

Emily Maulden is the winner of the Innovations in Nuclear Energy Research and Development Student Competition for the paper “Technetium immobilization with tailored iron-functionalized organoclay.” 2024

Kai Schulte is the recipient of a 2024 University Nuclear Leadership Program Scholarship

Kai Schulte is a recipient of a 2024-2025 UF University Scholarship

Kai Schulte has been selected for a Summer Internship at Pacific Northwest National Laboratory (2024)

Emily Maulden successfully defended her Ph.D. Dissertation in October 2023. “Technetium and iodine immobilization by functionalized clay”.

Recent publications (see full lists here)

Transition metals separation with commercial neutral extractants – A Review. Nathalie A. Wall*, Madeleine ForbesG, Rachel WoodG, Penafrancia MonteG, Brittany StiefermanG, Benjamin Burton-Pye, Lynn Francesconi, Deborah Penchoff, Charles C. Peterson, Nicolas Uhnak. 10.1080/07366299.2026.2629922 (2026)

Mechanistic Investigation of Co(II) Extraction by TODGA to Aid Nuclear Forensic Separations. Rachel WoodG, Penafrancia MonteG, Kai SchultzeU, Benjamin Burton-Pye, Lynn Francesconi, Nicolas Uhnak, Nathalie A. Wall*. 10.1080/00295639.2025.2607300 (2026)N. Wall is the corresponding author; she supervised the work performed by the graduate student and edited the paper drafts

Extraction of iron(III) by tri-n-butyl phosphate from nitric and hydrochloric acid. Madeleine ForbesG, Penafrancia MonteG, Benjamin P. Burton-Pye, Andrea G. Mendez LocklearG, Lynn C. Francesconi, Nicolas Uhnak, Nathalie A. Wall*. Solvent Extraction and Ion Exchange 44 (1), 71-92 (2026)

Molecular scale evaluation of technetium retention by functionalized organoclays. Emily MauldenG, Elizabeth GagerG, An T. TaP, R. Seaton UllbergG, Maxime Pouvreau, Juan C. Nino, Simon R. Phillpot, James E. Szecsody, Carolyn I. Pearce, Nathalie A. Wall*. ACS Earth Space Chem. 9, 2102−2114 (2025)

Selected Recent Presentations

Iron extraction by crown ethers: Mechanistic insight and for nuclear forensic implications. Madeleine ForbesG, Nathalie A. Wall, Benjamin Burton Pye, Lynn Francesconi, Brittany Stieferman, Deborah Penchoff. 2025 ACS Southeastern/Southwest Regional Meeting (SERMACS), Orlando, FL 10/26-29/2025

Guiding the Optimization of Transition Metals Separations in Nuclear Forensics: A Computational Study. Brittany StiefermanG, Madeleine ForbesG, Deanna Nguyen, Omehvy Rivera-Martinez, Rachel WoodG, Nathalie A. Wall, Lynn C. Francesconi, Benjamin P. Burton-Pye, Penafrancia MonteG, Charles C. Peterson, Deborah A. Penchoff. 2025 ACS Southeastern/Southwest Regional Meeting (SERMACS), Orlando, FL 10/26-29/2025

Separations for nuclear forensics analysis. Nathalie A. Wall, Benjamin Burton-Pye, Madeleine ForbesG, Lynn Francesconi, Penafrancia MonteG, Deborah Penchoff, Charles Peterson, Brittany StiefermanG, Nicolas Uhnak, Rachel WoodG. Migration, New Orleans, LA, 09/21-26/2025Radiometric Aging of Eastern Bering Sea Snow Crabs. Rachel WoodG, Erin Fedewa, Donald Wall, Nathalie Wall. Methods and Applications of Radioanalytical Chemistry XII, Kona, HI, 03/23-28/2025

Organometallic Functionalized Clays for Technetium Immobilization. Emily Maulden, Elizabeth Gager, An T. Ta, Rachel F. WoodG, Daria Boglaienko, Juan C. Nino, Carolyn I. Pearce, Simon R. Phillpot, James E. Szecsody, Nathalie A. Wall. Methods and Applications of Radioanalytical Chemistry XII, Kona, HI, 03/23-28/2025

Radiometric Aging of Eastern Bering Sea Snow Crabs. Rachel WoodG, Erin Fedewa, Donald Wall, Nathalie Wall. Methods and Applications of Radioanalytical Chemistry XII, Kona, HI, 03/23-28/2025

TODGA Extraction of Cobalt (II) from Aqueous Chloride Media. Rachel WoodG, Penafrancia MonteG, Ramsey SalcedoP, Benjamin Burton-Pye, Lynn Francesconi, Deborah Penchoff, Nathalie Wall. Methods and Applications of Radioanalytical Chemistry XII, Kona, HI, 03/23-28/2025

108. Zirconium Molybdate Interactions with Actinides. Andrew DuckworthG, Jarrod Gogolski, Tracy Rudisill, Harris Eldridge, Nathalie Wall. Methods and Applications of Radioanalytical Chemistry XII, Kona, HI, 03/23-28/2025

Zirconium Molybdate Leaching in Nitric Acid. Andrew DuckworthG, Jarrod Gogolski, Tracy Rudisill, Harris Eldridge, Nathalie Wall. Methods and Applications of Radioanalytical Chemistry XII, Kona, HI, 03/23-28/2025