Search Results - "Ha, Yonghyun"

Magnetic resonance imaging using a nonuniform Bo (NuBo) field-cycling magnet by Selvaganesan, Kartiga, Wan, Yuqing, Ha, Yonghyun, Wu, Baosong, Hancock, Kasey, Galiana, Gigi, Constable, R Todd

“…Magnetic resonance imaging (MRI) is a powerful noninvasive diagnostic tool with superior soft tissue contrast. However, access to MRI is limited since current…”
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Encoding scheme design for gradient-free, nonlinear projection imaging using Bloch-Siegert RF spatial encoding in a low-field, open MRI system by Selvaganesan, Kartiga, Ha, Yonghyun, Sun, Heng, Zhang, Zhehong, Sun, Chenhao, Samardzija, Anja, Galiana, Gigi, Constable, R. Todd

“…Eliminating conventional pulsed B 0 -gradient coils for magnetic resonance imaging (MRI) can significantly reduce the cost of and increase access to these…”
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Practical method for RF pulse distortion compensation using multiple square pulses for low-field MRI by Ha, Yonghyun, Selvaganesan, Kartiga, Wu, Baosong, Hancock, Kasey, Rogers, 3rd, Charles, Hosseinnezhadian, Sajad, Galiana, Gigi, Constable, R Todd

“…Since recovery time of the RF coil is long at low field MRI, the rising and the ring-down times of the square pulse are also long, which means the applied sinc…”
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MR-compatible, 3.8 inch dual organic light-emitting diode (OLED) in-bore display for functional MRI by Ko, YunKyoung, Yun, Seong Dae, Hong, Suk-Min, Ha, Yonghyun, Choi, Chang-Hoon, Shah, N Jon, Felder, Jörg

“…Functional MRI (fMRI) is a well-established method used to investigate localised brain activation by virtue of the blood oxygen level dependent (BOLD) effect…”
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Magnetic resonance imaging using a nonuniform Bo by Selvaganesan, Kartiga, Wan, Yuqing, Ha, Yonghyun, Wu, Baosong, Hancock, Kasey, Galiana, Gigi, Constable, R. Todd

“…Magnetic resonance imaging (MRI) is a powerful noninvasive diagnostic tool with superior soft tissue contrast. However, access to MRI is limited since current…”
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Low-Field, Low-Cost, Point-of-Care Magnetic Resonance Imaging by Samardzija, Anja, Selvaganesan, Kartiga, Zhang, Horace Z, Sun, Heng, Sun, Chenhao, Ha, Yonghyun, Galiana, Gigi, Constable, R. Todd

“…Low-field magnetic resonance imaging (MRI) has recently experienced a renaissance that is largely attributable to the numerous technological advancements made…”
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Development and Implementation of a PIN-Diode Controlled, Quadrature-Enhanced, Double-Tuned RF Coil for Sodium MRI by Ha, Yonghyun, Choi, Chang-Hoon, Shah, N. Jon

“…Sodium ( 23 Na) MRI provides complementary cellular and metabolic information. However, the intrinsic MR sensitivity of 23 Na is considerably lower compared…”
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Impaired neurogenesis alters brain biomechanics in a neuroprogenitor-based genetic subtype of congenital hydrocephalus by Duy, Phan Q., Weise, Stefan C., Marini, Claudia, Li, Xiao-Jun, Liang, Dan, Dahl, Peter J., Ma, Shaojie, Spajic, Ana, Dong, Weilai, Juusola, Jane, Kiziltug, Emre, Kundishora, Adam J., Koundal, Sunil, Pedram, Maysam Z., Torres-Fernández, Lucia A., Händler, Kristian, De Domenico, Elena, Becker, Matthias, Ulas, Thomas, Juranek, Stefan A., Cuevas, Elisa, Hao, Le Thi, Jux, Bettina, Sousa, André M. M., Liu, Fuchen, Kim, Suel-Kee, Li, Mingfeng, Yang, Yiying, Takeo, Yutaka, Duque, Alvaro, Nelson-Williams, Carol, Ha, Yonghyun, Selvaganesan, Kartiga, Robert, Stephanie M., Singh, Amrita K., Allington, Garrett, Furey, Charuta G., Timberlake, Andrew T., Reeves, Benjamin C., Smith, Hannah, Dunbar, Ashley, DeSpenza, Tyrone, Goto, June, Marlier, Arnaud, Moreno-De-Luca, Andres, Yu, Xin, Butler, William E., Carter, Bob S., Lake, Evelyn M. R., Constable, R. Todd, Rakic, Pasko, Lin, Haifan, Deniz, Engin, Benveniste, Helene, Malvankar, Nikhil S., Estrada-Veras, Juvianee I., Walsh, Christopher A., Alper, Seth L., Schultze, Joachim L., Paeschke, Katrin, Doetzlhofer, Angelika, Wulczyn, F. Gregory, Jin, Sheng Chih, Lifton, Richard P., Sestan, Nenad, Kolanus, Waldemar, Kahle, Kristopher T.

“…Hydrocephalus, characterized by cerebral ventricular dilatation, is routinely attributed to primary defects in cerebrospinal fluid (CSF) homeostasis. This…”
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Design and implementation of a simple multinuclear MRI system for ultra high-field imaging of animals by Choi, Chang-Hoon, Ha, YongHyun, Veeraiah, Pandichelvam, Felder, Jörg, Möllenhoff, Klaus, Shah, N. Jon

“…[Display omitted] •A simple multinuclear MRI system was developed and implemented.•Six swappable single-tuned RF coils were built and utilised.•Concentration…”
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Design and Characterization of a Gradient-Transparent RF Copper Shield for PET Detector Modules in Hybrid MR-PET Imaging by Berneking, Arne, Trinchero, Riccardo, Ha, YongHyun, Finster, Felix, Cerello, Piergiorgio, Lerche, Christoph, Shah, Nadim Jon

“…This paper focuses on the design and the characterization of a frequency-selective shield for positron emission tomography (PET) detector modules of hybrid…”
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Design and construction of a novel 1H/19F double-tuned coil system using PIN-diode switches at 9.4T by Choi, Chang-Hoon, Hong, Suk-Min, Ha, YongHyun, Shah, N. Jon

“…[Display omitted] •A 1H/19F double-tuned RF system using PIN-diodes was developed.•The probe was adjusted to 19F when a reverse bias was applied (PIN-diode…”
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Design and construction of a novel 1 H/ 19 F double-tuned coil system using PIN-diode switches at 9.4 T by Choi, Chang-Hoon, Hong, Suk-Min, Ha, YongHyun, Shah, N. Jon

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Design and use of a folded four-ring double-tuned birdcage coil for rat brain sodium imaging at 9.4 T by Ha, YongHyun, Choi, Chang-Hoon, Worthoff, Wieland A., Shymanskaya, Aliaksandra, Schöneck, Michael, Willuweit, Antje, Felder, Jörg, Shah, N. Jon

“…[Display omitted] •A folded four-ring quadrature 1H/23Na double-tuned RF coil was designed.•Folding the outer end-rings by 90° removes the length restriction…”
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TRIM71 Mutations Cause Human and Murine Congenital Hydrocephalus by Impairing Prenatal Neural Stem Cell Regulation by Phan, Duy, Jin, Sheng C, Weise, Stefan, Marini, Claudia, Dong, Weilai, Kundishora, Adam, Torres-Fernandez, Lucia, Cuevas, Elisa, Hao, Le, Furey, Charuta G, Zeng, Xue, Jux, Bettina, Sousa, Andre, Liu, Fuchen, Kim, Suel-Kee, Li, Mingfeng, Yang, Yiying, Takeo, Yutaka, Foster, Daniel, Nelson-Williams, Carol, Allocco, August A, Smith, Hannah, Dunbar, Ashley, Sullivan, William, Ha, Yonghyun, Selvaganesan, Kartiga, Sheth, Amar, DeSpenza, Tyrone, Reeves, Benjamin, Goto, June, Marlier, Arnaud, Warf, Benjamin C, Moreno-De-Luca, Andres, Lake, Evelyn, Constable, Todd, Sestan, Nenad, Lin, Haifan, Alper, Seth, Slack, Frank, Wulczyn, F. Gregory, Kolanus, Waldemar, Lifton, Richard P, Kahle, Kristopher T

“…INTRODUCTION Lack of understanding into the pathogenesis of congenital hydrocephalus (CH) hinders patient care and development of clinically-relevant animal…”
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Design and construction of a novel 1 H/ 19 F double-tuned coil system using PIN-diode switches at 9.4T by Choi, Chang-Hoon, Hong, Suk-Min, Ha, YongHyun, Shah, N Jon

“…A double-tuned H/ F coil using PIN-diode switches was developed and its performance evaluated. The is a key difference from the previous developments being…”
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