A semi-empirical model to optimize continuous-flow hyperpolarized 129Xe production under practical cryogenic-accumulation conditions

JW Plummer, K Emami, A Dummer, JC Woods… - Journal of Magnetic …, 2020 - Elsevier
… was to develop a semi-empirical model of combined continuous-flow 129 Xe SEOP and …
-space applicable to practical HP 129 Xe production using well-validated atomic physics, …

Resolving the Discrepancy Between Theoretically Predicted and Experimentally Measured 129Xe Nuclear Spin Polarization

M Kelley - 2023 - search.proquest.com
… Finally in Chapter 7 I describe recent work using hyperpolarized 129Xe to enhance the NMR
semi- empirical model to optimize continuous-flow hyperpolarized 129Xe production under

Hyperpolarized Xenon-129 Chemical Exchange Saturation Transfer (HyperCEST) Molecular Imaging: Achievements and Future Challenges

V Batarchuk, Y Shepelytskyi, V Grynko… - International Journal of …, 2024 - mdpi.com
… commonly used to produce hyperpolarized 129 Xe—a flowing cell or continuous-flow [67,68,…
(MTD) simulations were performed at the semi-empirical GFN2 and GFN0, as well as at the …

Portable Hyperpolarized Xe-129 Apparatus with Long-Time Stable Polarization Mediated by Adaptable Rb Vapor Density

R Stäglich, TW Kemnitzer, MC Harder… - The Journal of …, 2022 - ACS Publications
… continuous stream of hyperpolarized 129 Xe but also maintains … We aim at establishing a
continuous-flow polarizer, working … Recycle delays were optimized to 1 s for the hyperpolarized

Automated Low-Cost In Situ IR and NMR Spectroscopy Characterization of Clinical-Scale 129Xe Spin-Exchange Optical Pumping

JR Birchall, RK Irwin, MRH Chowdhury… - Analytical …, 2021 - ACS Publications
… temperature enables systematic optimization of the batch-… -scale contrast agent production,
129 Xe hyperpolarization is … these methodologies is continuous-flow production, whereby …

Study of gas flow dynamics in porous and granular media with laser-polarized ¹²⁹Xe NMR

R Wang - 2005 - dspace.mit.edu
… to observe a bubble peak in the 129Xe NMR spectra, it was the … For example, laser-polarized
(ie, hyperpolarized) 129Xe and … This design is optimized for the continuous flow regime. A …

Investigating Rubidium Density and Temperature Distributions in a High-Throughput 129Xe-Rb Spin-Exchange Optical Pumping Polarizer

JE Ball, JM Wild, G Norquay - Molecules, 2022 - mdpi.com
… a high-throughput 129 Xe-Rb hyperpolarizer during continuous-flow SEOP. … The motivation
for this work was to improve the … For hyperpolarized 129 Xe production rates to be improved, …

[HTML][HTML] Theoretical models of spin-exchange optical pumping: Revisited and reconciled

M Kelley, RT Branca - Journal of Applied Physics, 2021 - pubs.aip.org
… of this theory to both continuous-flow and stopped-flow SEOP models. Specifically, we show
… are our standard operating parameters for hyperpolarized 129 Xe production. Prior to each …

[PDF][PDF] Magnetic resonance imaging of lungs at ultra-low magnetic field strenght using hyperpolarized 129Xe gas

JM Parra Robles - 2004 - repository.library.carleton.ca
… A methodology for MR imaging of the lungs at very low field strengths is developed by
building a system for hyperpolarized" Xe (HXe) rat lung imaging that uses the fringe field of a …

A decay‐modeled compressed sensing reconstruction approach for non‐Cartesian hyperpolarized 129Xe MRI

JW Plummer, R Hussain, AS Bdaiwi… - … Resonance in …, 2024 - Wiley Online Library
… Non-Cartesian sequences are frequently used for hyperpolarized 129Xe MRI to improve
enriched) was polarized to 20% to 40% using a continuous-flow 129Xe hyperpolarizer (…