Near-unity nuclear polarization with an open-source 129Xe hyperpolarizer for NMR and MRI P Nikolaou, AM Coffey, LL Walkup, BM Gust, N Whiting, H Newton, ... Proceedings of the National Academy of Sciences 110 (35), 14150-14155, 2013 | 244 | 2013 |
Hyperpolarized 129Xe for investigation of mild cystic fibrosis lung disease in pediatric patients RP Thomen, LL Walkup, DJ Roach, ZI Cleveland, JP Clancy, JC Woods Journal of Cystic Fibrosis 16 (2), 275-282, 2017 | 142 | 2017 |
Retrospective respiratory self‐gating and removal of bulk motion in pulmonary UTE MRI of neonates and adults NS Higano, AD Hahn, JA Tkach, X Cao, LL Walkup, RP Thomen, ... Magnetic resonance in medicine 77 (3), 1284-1295, 2017 | 116 | 2017 |
Neonatal pulmonary magnetic resonance imaging of bronchopulmonary dysplasia predicts short-term clinical outcomes NS Higano, DR Spielberg, RJ Fleck, AH Schapiro, LL Walkup, AD Hahn, ... American journal of respiratory and critical care medicine 198 (10), 1302-1311, 2018 | 115 | 2018 |
Feasibility, tolerability and safety of pediatric hyperpolarized 129Xe magnetic resonance imaging in healthy volunteers and children with cystic fibrosis LL Walkup, RP Thomen, TG Akinyi, E Watters, K Ruppert, JP Clancy, ... Pediatric radiology 46, 1651-1662, 2016 | 104 | 2016 |
Pulmonary MRI of neonates in the intensive care unit using 3D ultrashort echo time and a small footprint MRI system AD Hahn, NS Higano, LL Walkup, RP Thomen, X Cao, SL Merhar, ... Journal of magnetic resonance imaging 45 (2), 463-471, 2017 | 96 | 2017 |
A 3D-printed high power nuclear spin polarizer P Nikolaou, AM Coffey, LL Walkup, BM Gust, CD LaPierre, ... Journal of the American Chemical Society 136 (4), 1636-1642, 2014 | 95 | 2014 |
Translational applications of hyperpolarized 3He and 129Xe LL Walkup, JC Woods NMR in Biomedicine 27 (12), 1429-1438, 2014 | 93 | 2014 |
Quantitative magnetic resonance imaging of bronchopulmonary dysplasia in the neonatal intensive care unit environment LL Walkup, JA Tkach, NS Higano, RP Thomen, SB Fain, SL Merhar, ... American journal of respiratory and critical care medicine 192 (10), 1215-1222, 2015 | 92 | 2015 |
Quantification of neonatal lung parenchymal density via ultrashort echo time MRI with comparison to CT NS Higano, RJ Fleck, DR Spielberg, LL Walkup, AD Hahn, RP Thomen, ... Journal of magnetic resonance imaging 46 (4), 992-1000, 2017 | 81 | 2017 |
XeNA: An automated ˇopen-source˘129Xe hyperpolarizer for clinical use P Nikolaou, AM Coffey, LL Walkup, BM Gust, N Whiting, H Newton, ... Magnetic resonance imaging 32 (5), 541-550, 2014 | 79 | 2014 |
Importance of dynamics in electron excitation and transfer of organic dyes LL Walkup, KC Weerasinghe, M Tao, X Zhou, M Zhang, D Liu, L Wang The Journal of Physical Chemistry C 114 (45), 19521-19528, 2010 | 52 | 2010 |
Multidimensional Mapping of Spin-Exchange Optical Pumping in Clinical-Scale Batch-Mode 129Xe Hyperpolarizers P Nikolaou, AM Coffey, K Ranta, LL Walkup, BM Gust, MJ Barlow, ... The Journal of Physical Chemistry B 118 (18), 4809-4816, 2014 | 45 | 2014 |
The clinical use of lung MRI in cystic fibrosis: what, now, how? G Dournes, LL Walkup, I Benlala, MM Willmering, J Macey, S Bui, ... Chest 159 (6), 2205-2217, 2021 | 38 | 2021 |
Xenon-129 MRI detects ventilation deficits in paediatric stem cell transplant patients unable to perform spirometry LL Walkup, K Myers, J El-Bietar, A Nelson, MM Willmering, M Grimley, ... European Respiratory Journal 53 (5), 2019 | 33 | 2019 |
Improved pulmonary 129Xe ventilation imaging via 3D‐spiral UTE MRI MM Willmering, PJ Niedbalski, H Wang, LL Walkup, RK Robison, JG Pipe, ... Magnetic resonance in medicine 84 (1), 312-320, 2020 | 32 | 2020 |
Quantitative CT characterization of pediatric lung development using routine clinical imaging JM Stein, LL Walkup, AS Brody, RJ Fleck, JC Woods Pediatric radiology 46, 1804-1812, 2016 | 31 | 2016 |
Newer imaging techniques for bronchopulmonary dysplasia LL Walkup, JC Woods Clinics in perinatology 42 (4), 871-887, 2015 | 27 | 2015 |
Evaluation of neonatal lung volume growth by pulmonary magnetic resonance imaging in patients with congenital diaphragmatic hernia MA Schopper, LL Walkup, JA Tkach, NS Higano, FY Lim, B Haberman, ... The Journal of Pediatrics 188, 96-102. e1, 2017 | 25 | 2017 |
A semi-empirical model to optimize continuous-flow hyperpolarized 129Xe production under practical cryogenic-accumulation conditions JW Plummer, K Emami, A Dummer, JC Woods, LL Walkup, ZI Cleveland Journal of Magnetic Resonance 320, 106845, 2020 | 24 | 2020 |