Zobrazeno 1 - 10 of 78 pro vyhledávání: '"Graham, Norquay"'
1
Akademický článek
A standardized MRI phantom for dissolved phase 129Xe MRI
Autor: Max Filkins, Arthur Harrison, Guilhem J. Collier, Graham Norquay, Jim M. Wild, Sean P. Rigby, Galina E. Pavlovskaya, Thomas Meersmann
Publikováno v: Journal of Magnetic Resonance Open, Vol 21, Iss , Pp 100175- (2024)
Pulmonary MRI of hyperpolarized xenon-129 (hp129Xe) dissolved in the lung parenchyma and vascular phase is gaining increasing attention for clinical assessment of gas exchange in multiple diseases. These conditions can involve thickening of barrier t
Externí odkaz: https://doaj.org/article/0eeed8fcc3bc479b8723c33e0d695f70
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2
Akademický článek
PhysVENeT: a physiologically-informed deep learning-based framework for the synthesis of 3D hyperpolarized gas MRI ventilation
Autor: Joshua R. Astley, Alberto M. Biancardi, Helen Marshall, Laurie J. Smith, Paul J. C. Hughes, Guilhem J. Collier, Laura C. Saunders, Graham Norquay, Malina-Maria Tofan, Matthew Q. Hatton, Rod Hughes, Jim M. Wild, Bilal A. Tahir
Publikováno v: Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Functional lung imaging modalities such as hyperpolarized gas MRI ventilation enable visualization and quantification of regional lung ventilation; however, these techniques require specialized equipment and exogenous contrast, limiting clin
Externí odkaz: https://doaj.org/article/8791276afc0b453995d70d3bd99107cc
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3
Akademický článek
Hyperpolarised xenon-129 diffusion-weighted magnetic resonance imaging for assessing lung microstructure in idiopathic pulmonary fibrosis
Autor: James A. Eaden, Nicholas D. Weatherley, Ho-Fung Chan, Guilhem Collier, Graham Norquay, Andrew J. Swift, Smitha Rajaram, Laurie J. Smith, Brian J. Bartholmai, Stephen M. Bianchi, Jim M. Wild
Publikováno v: ERJ Open Research, Vol 9, Iss 4 (2023)
Background Hyperpolarised 129-xenon (129Xe) magnetic resonance imaging (MRI) shows promise in monitoring the progression of idiopathic pulmonary fibrosis (IPF) due to the lack of ionising radiation and the ability to quantify functional impairment. D
Externí odkaz: https://doaj.org/article/80bb2acba4a34218b3d5a78e324e5792
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4
Akademický článek
Airspace Dimension Assessment (AiDA) by inhaled nanoparticles: benchmarking with hyperpolarised 129Xe diffusion-weighted lung MRI
Autor: Madeleine Petersson-Sjögren, Ho-Fung Chan, Guilhem J. Collier, Graham Norquay, Lars E. Olsson, Per Wollmer, Jakob Löndahl, Jim M. Wild
Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract Enlargements of distal airspaces can indicate pathological changes in the lung, but accessible and precise techniques able to measure these regions are lacking. Airspace Dimension Assessment with inhaled nanoparticles (AiDA) is a new method
Externí odkaz: https://doaj.org/article/d51f7875ffb843e492c34c3cc71168c9
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5
Akademický článek
Investigating Rubidium Density and Temperature Distributions in a High-Throughput 129Xe-Rb Spin-Exchange Optical Pumping Polarizer
Autor: James E. Ball, Jim M. Wild, Graham Norquay
Publikováno v: Molecules, Vol 28, Iss 1, p 11 (2022)
Accurate knowledge of the rubidium (Rb) vapor density, [Rb], is necessary to correctly model the spin dynamics of 129Xe-Rb spin-exchange optical pumping (SEOP). Here we present a systematic evaluation of [Rb] within a high-throughput 129Xe-Rb hyperpo
Externí odkaz: https://doaj.org/article/ba59998612bf4045b43f0af0420d2816
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