Publications by authors named "Ryan P Fitzgerald"

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Spatial uniformity and resolution in inkjet-printed Am phantoms imaged by digital autoradiography.
Sean P Jollota, Denis E Bergeron, Andrew T Nupp, R Michael Verkouteren, Svetlana Nour, Ryan P Fitzgerald

Appl Radiat Isot· December 2025

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Gravimetric drop-on-demand inkjet deposition for imaging phantoms with traceable activity.
Sean P Jollota, Denis E Bergeron, R Michael Verkouteren, Svetlana Nour, Ryan P Fitzgerald

Appl Radiat Isot· April 2025

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Activity standard and calibrations for Th with ingrowing progeny.
Denis E Bergeron, Jeffrey T Cessna, Brittany A Broder, Leticia Pibida, Ryan P Fitzgerald

Appl Radiat Isot· July 2024

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Liquid scintillation efficiencies, gamma-ray emission intensities, and half-life for Gd-153.
Denis E Bergeron, Jeffrey T Cessna, Ryan P Fitzgerald, Gulakhshan Hamad, Lizbeth Laureano-Pérez

Appl Radiat Isot· January 2024

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Gravimetric deposition of microliter drops with radiometric confirmation.
Denis E Bergeron, Richard Essex, Svetlana Nour, Gordon A Shaw, R Michael Verkouteren, Ryan P Fitzgerald

Appl Radiat Isot· November 2023

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The international reference system for beta-particle emitting radionuclides: Validation through the pilot study CCRI(II)-P1.Co-60.
Romain Coulon, Monica Aguiar Leobino da Silva, Emma Bendall, Denis E Bergeron, Christophe Bobin, Ryan P Fitzgerald

Appl Radiat Isot· October 2023

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Primary standardization of Pb activity by liquid scintillation counting.
Denis E Bergeron, Jeffrey T Cessna, Ryan P Fitzgerald, Lizbeth Laureano-Pérez, Leticia Pibida

Appl Radiat Isot· December 2022

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Toward a New Primary Standardization of Radionuclide Massic Activity Using Microcalorimetry and Quantitative Milligram-Scale Samples.
Ryan P Fitzgerald, Bradley K Alpert, Daniel T Becker, Denis E Bergeron, Richard M Essex

J Res Natl Inst Stand Technol· February 2022

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The effect of impurities on calculated activity in the triple-to-double coincidence ratio liquid scintillation method.
Denis E Bergeron, Ryan P Fitzgerald, Brian E Zimmerman, Jeffrey T Cessna

Appl Radiat Isot· September 2012

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