Journal Articles

Lonsway, M. J., K. L. Truax, S. B. Emmons, B. D. Pierson, and B. C. Archambault. 2026. “Dense Autoencoders, Clustering Techniques, and Semi-Supervised Learning for HPGe Gamma-Spectra.” Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1088: 171484. PNNL-SA-217987. https://doi.org/10.1016/j.nima.2026.171484

McDonald, B. S., L. Pagani, J. E. Baciak, H. S. Cunningham, B. A. Fehringer, T. W. Hossbach, M. D. Miller, H. K. Patz, R. S. Wood, and M. A. Zalavadia. 2026. "Microsample identification in post-detonation samples with advanced digital autoradiography systems.” Journal of Radioanalytical and Nuclear Chemistry 335 (3). PNNL-SA-212646. https://doi.org/10.1007/s10967-026-10718-1

Patz, H. K., B. S. McDonald, K. C. Hartig, and J. E. Baciak. 2026. “Advances in Autoradiography Systems for Nuclear Forensic Analysis.” Nuclear Science and Engineering 200 (4). PNNL-SA-215599. https://doi.org/10.1080/00295639.2025.2594875

Metz, L., M. Douglas, C. Beck, J. Friese, S. Herman, K. Noyes, and M. Zimmer. 2025. “Nuclear Forensics: The Ultimate Analytical Chemistry Challenge.” Special Issue – Nuclear Science & Engineering 1–12. PNNL-SA-213074. DOI: https://doi.org/10.1080/00295639.2025.2592174

Richard N.P., S.R. Scott, C.K. Berry, M.A. RisenHuber, W.O. Munley, K.L. Noyes, and M. Douglas, et al. 2025. "Towards an automated approach for rapid separation of actinides using a liquid handling system." Journal of Analytical Atomic Spectrometry. PNNL-SA-219214. https://doi.org/10.1039/D6JA00127K

Posters

Zimmer, M. M., K. M. Carter, M. A. Coble, A. D. Eckberg, B. Garcia, J. A. Bilbrey, N. P. Richard, et al., “Using Microanalysis to Evaluate Volatility in Post-Detonation Nuclear Materials.” Presented by M. A. Coble at the Goldschmidt 2026 Conference, Montreal, Canada, July 13, 2026. PNNL-SA-224611.

Patz, H. K., B. S. McDonald, K. C. Hartig, and J. E. Baciak, “Image Processing Based Particle Discrimination with a Digital Autoradiography System using Thin Film Scintillators.” Presented by H. K. Patz at the International Workshop on Radiation Imaging Detectors, Ghent, Belgium, July 1, 2026. PNNL-SA-224325.

Richard, N. P., S. R. Scott, S. H. Pratt, K. M. Melby, K. L. Noyes, M. Douglas, and L. A. Metz, “Microchemistry Analyses for Post-Detonation Nuclear Forensics.” Presented by N. P. Richard at the 2026 Winter Conference on Plasma Spectrochemistry, Tucson, Arizona, January 14, 2026. PNNL-SA-219389.

Archambault, B. C., K. L. Truax, S. B. Emmons, M. J. Lonsway, B. D. Pierson, L. A. Metz, J. I. Friese, et al., “Computer Analyst: AI/ML Assisted Analyses of Radionuclides from High Resolution Gamma-Ray Spectra.” Presented by B. C. Archambault at the CTBT: Science and Technology Conference (SnT) 2025, Vienna, Austria, September 10, 2025. PNNL-SA-215601.

Pagani, L., K. L. Bertschinger, H. S. Cunningham, B. A. Fehringer, T. Hossbach, M. D. Miller, B. S. McDonald, et al., “Microsample identification in post-detonation samples with real-time digital autoradiography.” Presented by L. Pagani at the IEEE Symposium on Radiation Measurements and Applications (SORMA West), Berkeley, California, July 22, 2025. PNNL-SA-213589.

Scott, S. R., S. H. Pratt, K. M. Melby, D. L. Sullivan, K. L. Noyes, M. Douglas, and L. A. Metz, “Microchemistry Analyses for Post-Detonation Nuclear Forensics.” Presented by L. A. Metz at the International Conference on Methods and Applications of Radioanalytical Chemistry (MARC XIII), Kailua-Kona, Hawaii, March 27, 2025. PNNL-SA-209587.

Metz, L. A., and M. Douglas, “Nuclear Forensics Transformational Innovation (NFTI) Initiative.” Presented by L. A. Metz at the NuFor 2024 Conference, Manchester, United Kingdom, September 30, 2024. PNNL-SA-204022.

Presentations

French, A. D., K. P. Hobbs, C. D. Hilton, M. Douglas, and L. A. Metz, “Tandem Mass Spectrometry Approaches for Low-Level Actinide Analyses in Complex Matrices.” Presented by A. D. French at the Geological Society of America (GSA), Denver, Colorado, October 12, 2026. PNNL-SA-225780.

Hobbs, K. P., V. Prabhakaran, A. D. French, M. A. RisenHuber, S. R. Scott, M. Douglas, and L. A. Metz, “Direct sample dissolution using an in-line solvent bridge for analysis via ICP-MS/MS.” Presented by K. P. Hobbs at the SciX Conference, Sparks, Nevada, October 6, 2026. PNNL-SA-228128.

RisenHuber, M. A., “Towards an Automated Process for the Dissolution of Particles.” Presented by M. A. RisenHuber at the Fall National ACS Meeting, Chicago, Illinois, August 25, 2026. PNNL-SA-225940.

Patz, H. K., B. S. McDonald, K. C. Hartig, and J. E. Baciak, “Dual Particle Discrimination with Digital Autoradiography Applications in Nuclear Forensics.” Presented by H. K. Patz at the Institute of Nuclear Materials Management Annual Conference, Austin, Texas, August 4, 2026. PNNL-SA-225694.

Schnable, D. M., A. N. Williams, C. A. Nizinski, C. D. Hilton, H. M. Cho, and R. G. Surbella, “Spectroscopic Characterization of Actinide Materials Across Scales: from U-238 to Am-243.” Presented by D. M. Schnable at ACS NORM 2026, Boise, Idaho, June 30, 2026. PNNL-SA-224343.

Patz, H. K., B. S. McDonald, K. C. Hartig, and J. E. Baciak, “Characterization of a Compact Autoradiography System for Applications in Nuclear Forensics.” Presented by H. K. Patz at the 2025 ANS Winter Conference & Expo, Washington, District of Columbia, November 11, 2025. PNNL-SA-217961.

Douglas, M., and L. A. Metz, “Transforming Nuclear Material Laboratory Analysis for Nuclear Forensics.” Presented by M. Douglas at ACS 2025, Washington, District of Columbia, August 18, 2025. PNNL-SA-215064.

Bertschinger, K. L., B. S. McDonald, L. Pagani, M. A. Zalavadia, and A. J. Gilbert, “Radiation Imaging with Event-Based Vision Camera.” Presented by K. L. Bertschinger at the IEEE Symposium on Radiation Measurements and Applications (SORMA West), Berkeley, California, July 23, 2025. PNNL-SA-213849.

Wu, Y., and C. D. Hilton, “Separation of Trace Element Impurities from Uranium and Plutonium.” Presented by Y. Wu at the 48th Actinide Separations Conference (ASC), Lemont, Illinois, May 21, 2025. PNNL-SA-211252.

Patz, H. K., J. E. Baciak, K. C. Hartig, B. S. McDonald, L. Pagani, and M. A. Zalavadia, “Real-Time Particle Discrimination in Digital Autoradiography for Nuclear Forensics.” Presented by H. K. Patz at the International Conference on Methods and Applications of Radioanalytical Chemistry (MARC XIII), Kailua Kona, Hawaii, March 27, 2025. PNNL-SA-209606.

Douglas, M., L. A. Metz, and J. I. Friese, “Nuclear Forensics Transformational Innovation (NFTI) at PNNL.” Presented by L. A. Metz at the International Conference on Methods and Applications of Radioanalytical Chemistry (MARC XIII), Kailua Kona, Hawaii, March 27, 2025. PNNL-SA-209588.

McDonald, B. S., T. W. Hossbach, M. A. Zalavadia, L. Pagani, H. K. Patz, R. S. Wood, B. A. Fehringer, et al., “Microsample Identification with advanced digital autoRAdiography Methods.” Presented by H. K. Patz at the International Conference on Methods and Applications of Radioanalytical Chemistry (MARC XIII), Kailua Kona, Hawaii, March 25, 2025. PNNL-SA-209603.