Search Results - "Lagore, Russell L"

Feasibility of using toroidal transceivers for acquiring intraoperative MR images around deep brain stimulation electrodes by Zulkarnain, Nur Izzati Huda, Sadeghi-Tarakameh, Alireza, Lagore, Russell L., Koski, Dee M., Metzger, Gregory J., Cayci, Zuzan, Harel, Noam, Eryaman, Yigitcan

“…•Imaging with a DBS electrode inductively coupled to a toroidal transceiver.•Reduced RF artifact, scan time and improved SNR near the DBS electrode.•Accurate…”
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Ultra-high field (10.5 T) resting state fMRI in the macaque by Yacoub, Essa, Grier, Mark D., Auerbach, Edward J., Lagore, Russell L., Harel, Noam, Adriany, Gregor, Zilverstand, Anna, Hayden, Benjamin Y., Heilbronner, Sarah R., Uğurbil, Kamil, Zimmermann, Jan

“…Resting state functional connectivity refers to the temporal correlations between spontaneous hemodynamic signals obtained using functional magnetic resonance…”
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Ultra-high field (10.5T) diffusion-weighted MRI of the macaque brain by Grier, Mark D., Yacoub, Essa, Adriany, Gregor, Lagore, Russell L., Harel, Noam, Zhang, Ru-Yuan, Lenglet, Christophe, Uğurbil, Kâmil, Zimmermann, Jan, Heilbronner, Sarah R.

“…Diffu0sion-weighted magnetic resonance imaging (dMRI) is a non-invasive imaging technique that provides information about the barriers to the diffusion of…”
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In vivo human head MRI at 10.5T: A radiofrequency safety study and preliminary imaging results by Sadeghi‐Tarakameh, Alireza, DelaBarre, Lance, Lagore, Russell L., Torrado‐Carvajal, Angel, Wu, Xiaoping, Grant, Andrea, Adriany, Gregor, Metzger, Gregory J., Van de Moortele, Pierre‐Francois, Ugurbil, Kamil, Atalar, Ergin, Eryaman, Yigitcan

“…Purpose The purpose of this study is to safely acquire the first human head images at 10.5T. Methods To ensure safety of subjects, we validated the…”
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First in‐vivo human imaging at 10.5T: Imaging the body at 447 MHz by He, Xiaoxuan, Ertürk, M. Arcan, Grant, Andrea, Wu, Xiaoping, Lagore, Russell L., DelaBarre, Lance, Eryaman, Yiğitcan, Adriany, Gregor, Auerbach, Eddie J., Moortele, Pierre‐François, Uğurbil, Kâmil, Metzger, Gregory J.

“…Purpose To investigate the feasibility of imaging the human torso and to evaluate the performance of several radiofrequency (RF) management strategies at…”
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An 8‐dipole transceive and 24‐loop receive array for non‐human primate head imaging at 10.5 T by Lagore, Russell L., Moeller, Steen, Zimmermann, Jan, DelaBarre, Lance, Radder, Jerahmie, Grant, Andrea, Ugurbil, Kamil, Yacoub, Essa, Harel, Noam, Adriany, Gregor

“…A 32‐channel RF coil was developed for brain imaging of anesthetized non‐human primates (rhesus macaque) at 10.5 T. The coil is composed of an 8‐channel dipole…”
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RF coil design strategies for improving SNR at the ultrahigh magnetic field of 10.5T by Waks, Matt, Lagore, Russell L, Auerbach, Edward, Grant, Andrea, Sadeghi-Tarakameh, Alireza, DelaBarre, Lance, Jungst, Steve, Tavaf, Nader, Lattanzi, Riccardo, Giannakopoulos, Ilias, Moeller, Steen, Wu, Xiaoping, Yacoub, Essa, Vizioli, Luca, Schmidt, Simon, Metzger, Gregory J, Eryaman, Yigitcan, Adriany, Gregor, Uğurbil, Kamil

“…Toward pushing the boundaries of ultrahigh fields for human brain imaging, we wish to evaluate experimentally achievable SNR relative to ultimate intrinsic SNR…”
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Improving radiofrequency power and specific absorption rate management with bumped transmit elements in ultra‐high field MRI by Sadeghi‐Tarakameh, Alireza, Adriany, Gregor, Metzger, Gregory J., Lagore, Russell L., Jungst, Steve, DelaBarre, Lance, Van de Moortele, Pierre‐Francois, Ugurbil, Kamil, Atalar, Ergin, Eryaman, Yigitcan

“…Purpose In this study, we investigate a strategy to reduce the local specific absorption rate (SAR) while keeping B1+ constant inside the region of interest…”
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Toward imaging the body at 10.5 tesla by Ertürk, M. Arcan, Wu, Xiaoping, Eryaman, Yiğitcan, Moortele, Pierre‐François, Auerbach, Edward J., Lagore, Russell L., DelaBarre, Lance, Vaughan, J. Thomas, Uğurbil, Kâmil, Adriany, Gregor, Metzger, Gregory J.

“…Purpose To explore the potential of performing body imaging at 10.5 Tesla (T) compared with 7.0T through evaluating the transmit/receive performance of…”
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A self‐decoupled 32‐channel receive array for human‐brain MRI at 10.5 T by Tavaf, Nader, Lagore, Russell L., Jungst, Steve, Gunamony, Shajan, Radder, Jerahmie, Grant, Andrea, Moeller, Steen, Auerbach, Edward, Ugurbil, Kamil, Adriany, Gregor, Van de Moortele, Pierre‐Francois

“…Purpose Receive array layout, noise mitigation, and B0 field strength are crucial contributors to SNR and parallel‐imaging performance. Here, we investigate…”
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In vivo MR imaging with simultaneous RF transmission and reception by Sohn, Sung-Min, Vaughan, J. Thomas, Lagore, Russell L., Garwood, Michael, Idiyatullin, Djaudat

“…Purpose To present a practical scheme of a simultaneous radiofrequency (RF) transmit (Tx) and receive (Rx) (STAR) system for MRI, discuss the challenges and…”
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Radiofrequency heating studies on anesthetized swine using fractionated dipole antennas at 10.5 T by Eryaman, Yiğitcan, Lagore, Russell L., Ertürk, M. Arcan, Utecht, Lynn, Zhang, Patrick, Torrado‐Carvajal, Angel, Türk, Esra Abaci, DelaBarre, Lance, Metzger, Gregory J., Adriany, Gregor, Uğurbil, Kâmil, Vaughan, J. Thomas

“…Purpose To validate electromagnetic and thermal simulations with in vivo temperature measurements, and to demonstrate a framework that can be used to predict…”
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Investigating the physiological effects of 10.5 Tesla static field exposure on anesthetized swine by Eryaman, Yigitcan, Zhang, Patrick, Utecht, Lynn, Kose, Kivanc, Lagore, Russell L., DelaBarre, Lance, Kulesa, Jeramy, Eberly, Lynn E., Adriany, Gregor, Iles, Tinen L., Iaizzo, Paul A., Vaughan, J. Thomas, Ugurbil, Kamil

“…Purpose In this work, we investigated the relative effects of static magnetic field exposure (10.5 Tesla [T]) on two physiological parameters; blood pressure…”
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A system for automated noise parameter measurements on MR preamplifiers and application to high B0 fields by Lagore, Russell L., Roberts, Brodi Roduta, Possanzini, Cecilia, Saylor, Charles, Fallone, B. Gino, De Zanche, Nicola

“…A noise figure and noise parameter measurement system was developed that consists of a combination spectrum and network analyzer, preamplifier, programmable…”
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Electromagnetic Modeling of High-Channel Count Head Receiver Arrays for ultra-High Field MRI by Radder, Jerahmie, Lagore, Russell L., Tavaf, Nader, Jungst, Steve, Grant, Andrea, Adriany, Gregor, Waks, Matt, Barre, Lance Dela, Zhang, M. Bei, Lattanzi, Riccardo, Gandji, Navid, Yang, Qing, Ugurbil, Kamil

“…Electromagnetic simulations of ultra-high field receive coil arrays featuring 32, 64, and 128 channels are currently being performed to support of head imaging…”
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Changes in tissue sodium concentration and sodium relaxation times during the maturation of human knee cartilage: Ex vivo 23 Na MRI study at 10. 5 T by Zbýň, Štefan, Ludwig, Kai D., Watkins, Lauren E., Lagore, Russell L., Nowacki, Amanda, Tóth, Ferenc, Tompkins, Marc A., Zhang, Lin, Adriany, Gregor, Gold, Garry E., Shea, Kevin G., Nagel, Armin M., Carlson, Cathy S., Metzger, Gregory J., Ellermann, Jutta M.

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Changes in tissue sodium concentration and sodium relaxation times during the maturation of human knee cartilage: Ex vivo 23Na MRI study at 10.5T by Zbýň, Štefan, Ludwig, Kai D, Watkins, Lauren E, Lagore, Russell L, Nowacki, Amanda, Tóth, Ferenc, Tompkins, Marc A, Zhang, Lin, Adriany, Gregor, Gold, Garry E, Shea, Kevin G, Nagel, Armin M, Carlson, Cathy S, Metzger, Gregory J, Ellermann, Jutta M

“…PurposeTo evaluate the influence of skeletal maturation on sodium (23Na) MRI relaxation parameters and the accuracy of tissue sodium concentration (TSC)…”
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Changes in tissue sodium concentration and sodium relaxation times during the maturation of human knee cartilage: Ex vivo 23 Na MRI study at 10.5 T by Zbýň, Štefan, Ludwig, Kai D, Watkins, Lauren E, Lagore, Russell L, Nowacki, Amanda, Tóth, Ferenc, Tompkins, Marc A, Zhang, Lin, Adriany, Gregor, Gold, Garry E, Shea, Kevin G, Nagel, Armin M, Carlson, Cathy S, Metzger, Gregory J, Ellermann, Jutta M

“…To evaluate the influence of skeletal maturation on sodium ( Na) MRI relaxation parameters and the accuracy of tissue sodium concentration (TSC) quantification…”
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Changes in tissue sodium concentration and sodium relaxation times during the maturation of human knee cartilage: Ex vivo 23Na MRI study at 10.5 T by Zbýň, Štefan, Ludwig, Kai D., Watkins, Lauren E., Lagore, Russell L., Nowacki, Amanda, Tóth, Ferenc, Tompkins, Marc A., Zhang, Lin, Adriany, Gregor, Gold, Garry E., Shea, Kevin G., Nagel, Armin M., Carlson, Cathy S., Metzger, Gregory J., Ellermann, Jutta M.

“…Purpose To evaluate the influence of skeletal maturation on sodium (23Na) MRI relaxation parameters and the accuracy of tissue sodium concentration (TSC)…”
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Design considerations for dipole for head MRI at 10.5T by Jinfeng Tian, Lagore, Russell L., Vaughan, J. Thomas

“…As the world's first 10.5T whole body human MRI scanner is ready for discoveries on new research frontiers, RF challenges need to be overcome to fully realize…”
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