Fiber-optic Bragg gratings for temperature and pressure measurements in isotope production targets for nuclear medicine

M Bakaic, M Hanna, C Hnatovsky, D Grobnic… - Applied Sciences, 2020 - mdpi.com
Featured Application Use of fiber optics to measure temperature and pressure in a target on
a medical cyclotron. Abstract A Bragg grating inscribed into an inorganic optical fiber was …

Cyclotron production of 103Pd using a liquid target

V Krol, LM gennant Koers, S McNeil, C Hoehr… - Nuclear Medicine and …, 2023 - Elsevier
Introduction In this work, we present the first feasibility study on the production of the
medically important radionuclide 103 Pd via the 103 Rh (p, n) 103 Pd reaction by cyclotron …

Radiolysis reduction in liquid solution targets for the production of 89Zr

NA Zacchia, DM Martinez, C Hoehr - Applied Radiation and Isotopes, 2020 - Elsevier
Increased interest in radiometals for nuclear medicine and imaging can be hampered by
radionuclide supply. 89 Zr for example, is a PET imaging nuclide for which no radionuclide …

In-target production of [11C]CH4 from a nitrogen/hydrogen gas target as a function of beam current, irradiation time, and target temperature

S Helin, J Rajander, J Aromaa, E Arponen… - EJNMMI …, 2024 - Springer
Abstract Background Production of [11C] CH4 from gas targets is notorious for weak
performance with respect to yield, especially when using high beam currents. Post-target …

Pressure rise in medical cyclotron liquid targets: Transient analysis

P Jahangiri, DM Martinez, C Hoehr - Applied Radiation and Isotopes, 2018 - Elsevier
Transient behavior of proton-beam bombarded liquid-targets are studied at various initial
conditions at the TR13 cyclotron at TRIUMF. Depending on the initial condition, experiments …

Understanding radionuclide production in gas target systems: the effect of adsorption on the target body

NA Zacchia, KR Buckley, GM Martinez… - Physics in Medicine …, 2018 - iopscience.iop.org
Gas target systems have been used for decades on cyclotrons to produce radionuclides for
medical imaging. However, the activity recovered from such targets is often lower than its …

A forced-convection gas target for the production of [11C] CH4

T Uittenbosch, K Buckley, T Ruth, DM Martinez… - Applied Radiation and …, 2018 - Elsevier
A forced-convection gas target for the production of [11 C] CH 4 on a 13 MeV cyclotron was
constructed and tested. A small fan was incorporated into the back of the target, which mixes …

Density reduction effects on the production of [11C] CO2 in Nb-body targets on a medical cyclotron

LM genannt Koers, D Prevost, E Paulssen… - Applied Radiation and …, 2023 - Elsevier
Medical isotope production of 11 C is commonly performed in gaseous targets. The power
deposition of the proton beam during the irradiation decreases the target density due to …

Modeling the pressure rise of a liquid target on a medical cyclotron: Steady-state analysis

P Jahangiri, R Doering, S Ferguson, K Li… - Applied Radiation and …, 2017 - Elsevier
The steady-state behaviour of a liquid target used to produce medical isotopes by low-
energy cyclotrons is studied. A model based on the conservation of mass and energy is …

Modeling pressure rise in gas targets

P Jahangiri, SE Lapi, J Publicover, K Buckley… - AIP Conference …, 2017 - pubs.aip.org
The purpose of this work is to introduce a universal mathematical model to explain a gas
target behaviour at steady-state time scale. To obtain our final goal, an analytical model is …