Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jerzy, Walczyk"'
Autor:
Bili Wang, Syed S. Siddiq, Jerzy Walczyk, Mary Bruno, Iman Khodarahmi, Inge M. Brinkmann, Robert Rehner, Karthik Lakshmanan, Jan Fritz, Ryan Brown
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-15 (2022)
Abstract Flexible radiofrequency coils for magnetic resonance imaging (MRI) have garnered attention in research and industrial communities because they provide improved accessibility and performance and can accommodate a range of anatomic postures. M
Externí odkaz:
https://doaj.org/article/3caf18a99d9e4d96813e345c205115a8
Publikováno v:
2021 International Conference on Electromagnetics in Advanced Applications (ICEAA).
Musculoskeletal MRI can characterize articular and patellar cartilage and help detect degradation related to osteoarthritis. While clinical knee MRI is performed under static conditions, research has shown that weight bearing and kinetic imaging prov
Autor:
Christopher M. Collins, Sebastian Rupprecht, Karthik Lakshmanan, Giuseppe Carluccio, Michael T. Lanagan, Jerzy Walczyk, Qing X. Yang, Ryan Brown
Publikováno v:
Magn Reson Med
PURPOSE: To demonstrate that strategic use of materials with high electric permittivity along with integrated head-sized coil arrays can improve SNR in the entire brain. METHODS: Numerical simulations were used to design a high-permittivity material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6087afadfb7383196a0f3b7bc1cc3c0d
https://europepmc.org/articles/PMC8208524/
https://europepmc.org/articles/PMC8208524/
Autor:
Sebastian Rupprecht, Christopher M. Collins, Ryan Brown, Jerzy Walczyk, Karthik Lakshmanan, Michael T. Lanagan, Qing X. Yang
Publikováno v:
INTERNATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF COMBUSTION AND PROCESSES IN EXTREME ENVIRONMENTS (COMPHYSCHEM’20-21) and VI INTERNATIONAL SUMMER SCHOOL “MODERN QUANTUM CHEMISTRY METHODS IN APPLICATIONS”.
High electric permittivity materials (HPM) have been used to improve transmit efficiency and receive sensitivity in targeted regions. In this work we demonstrate improvements in the entire b rain by designing and implementing an integrated HPM shell
Autor:
Henry Rusinek, Amy N. Melsaether, Yiming Gao, Artem Mikheev, Jerzy Walczyk, Chloe Chhor, James S. Babb, Kristine Pysarenko, Harikrishna Rallapalli, Melanie Moccaldi, Akshat C. Pujara
Publikováno v:
Journal of Magnetic Resonance Imaging. 47:1685-1691
Background Potential clinical implications of the level of background parenchymal enhancement (BPE) on breast MRI are increasing. Currently, BPE is typically evaluated subjectively. Tests of concordance between subjective BPE assessment and computer-
Autor:
Akshat C, Pujara, Artem, Mikheev, Henry, Rusinek, Yiming, Gao, Chloe, Chhor, Kristine, Pysarenko, Harikrishna, Rallapalli, Jerzy, Walczyk, Melanie, Moccaldi, James S, Babb, Amy N, Melsaether
Publikováno v:
Journal of magnetic resonance imaging : JMRI. 47(6)
Potential clinical implications of the level of background parenchymal enhancement (BPE) on breast MRI are increasing. Currently, BPE is typically evaluated subjectively. Tests of concordance between subjective BPE assessment and computer-assisted qu
Autor:
Gang Chen, Riccardo Lattanzi, Bei Zhang, Daniel K. Sodickson, Christopher M. Collins, Ryan Brown, Martijn A. Cloos, Jerzy Walczyk, Graham C. Wiggins, Zidan Yu
Publikováno v:
2017 International Conference on Electromagnetics in Advanced Applications (ICEAA).
A 29-channel receive-only dense dipole head array for 7T MRI was built, methods for isolating the coil elements from each other and detuning each coil element during transmit was explored, and its performance was evaluated and compared with a commerc
Autor:
Akshat C. Pujara, Chloe Chhor, Artem Mikheev, Kristine Pysarenko, Yiming Gao, Harikrishna Rallapalli, James S. Babb, Henry Rusinek, Amy N. Melsaether, Jerzy Walczyk
Publikováno v:
Clinical imaging. 42
Purpose To evaluate clinical applicability of fibroglandular tissue (FGT) segmentation on routine T1 weighted breast MRI and compare FGT quantification with radiologist assessment. Methods FGT was segmented on 232 breasts and quantified, and was asse
Autor:
James S. Babb, Xuejiao Che, Niels D. Naimon, Leeor Alon, Jerzy Walczyk, Oleksandr Khegai, Ravinder R. Regatte, Ryan Brown, Prodromos Parasoglou
Publikováno v:
Magma (New York, N.Y.). 30(3)
To develop a low-cost pedal ergometer compatible with ultrahigh (7 T) field MR systems to reliably quantify metabolic parameters in human lower leg muscle using phosphorus magnetic resonance spectroscopy. We constructed an MR compatible ergometer usi