Relevant bibliographies by topics / Dual-Tuned RF coils

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Dual-Tuned RF coils'

Author: Grafiati
Published: 14 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "Dual-Tuned RF coils"

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Jeong, You-Jin, Suchit Kumar, Seon-Woo Park, et al. "Self-Isolated Dual-Mode High-Pass Birdcage RF Coil for Proton and Sodium MR Imaging at 7 T MRI." Applied Sciences 13, no. 24 (2023): 13227. http://dx.doi.org/10.3390/app132413227.

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This study presents the feasibility of a dual-mode high-pass birdcage RF coil to acquire MR images at both 1H and 23Na frequencies at ultra-high-field MR scanner, 7 T. A dual-mode circuit (DMC) in the dual-mode birdcage (DMBC) RF coil operates at two frequencies, addressing the limitations of sensitivity reduction and isolation between two frequencies as in traditional dual-tuned RF coil. Finite-difference time-domain (FDTD) based electromagnetic (EM) simulations were performed to verify the RF coil at each frequency on the three-dimensional human head model. The DMBC RF coil resonated at prot
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Wang, Wei, Kewen Liu, Xinjie Liu, et al. "Development of a 7T 1H/2H dual-tuned transceiver separation active decoupler MRI probe." Journal of Physics: Conference Series 2524, no. 1 (2023): 012015. http://dx.doi.org/10.1088/1742-6596/2524/1/012015.

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Abstract Based on the current deuterium metabolism imaging (DMI) technology analysis, a design scheme of a dual-core imaging coil suitable for a 7T MRI system is proposed. The size and structure of the shield layer are optimized. Based on the single-layer shield structure, a double-layer shield structure is proposed to improve the stability of the probe. A detuning circuit is added to the 2H transmitting and receiving coils so that they can work in time for better decoupling. According to the design scheme, the 1H/2H dual-core imaging coil was fabricated and applied to the 7T magnetic resonanc
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Abuelhaija, Ashraf, and Gameel Saleh. "Dual tuned 1H/31P quadrature microstripline-based transmit/receive switch for 7 Tesla magnetic resonance imaging." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 3 (2022): 2177. http://dx.doi.org/10.11591/ijece.v12i3.pp2177-2183.

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<p><span>A dual tuned transmit/receive (T/R) Switch for 7 tesla magnetic resonance imaging</span> (MRI) that is based on concentric microstripline (MSL) coupler is introduced. The proposed switch is designed using two concentric MSL quadrature couplers on the top and bottom faces of the switch. The switch can be used to handle two frequency signals to/from two radio frequency (RF) coils. In this article, a 1H/31P atomic nuclei are excited. The two MSLs on the upper face of the switch are designed to transmit 298 and 120.6 MHz signals into RF coils, whereas each of the identic
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Ashraf, Abuelhaija, and Saleh Gameel. "Dual tuned 1H/31P quadrature microstripline-based transmit/receive switch for 7 Tesla magnetic resonance imaging." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 3 (2022): 2177–83. https://doi.org/10.11591/ijece.v12i3.pp2177-2183.

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A dual tuned transmit/receive (T/R) Switch for 7 tesla magnetic resonance imaging (MRI) that is based on concentric microstripline (MSL) coupler is introduced. The proposed switch is designed using two concentric MSL quadrature couplers on the top and bottom faces of the switch. The switch can be used to handle two frequency signals to/from two radio frequency (RF) coils. In this article, a 1H/31P atomic nuclei are excited. The two MSLs on the upper face of the switch are designed to transmit 298 and 120.6 MHz signals into RF coils, whereas each of the identical u
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Zongdao, Li, and Yang Yizhen. "A review for the emerging technology of double tuned single structure MRI coil." American Journal of Advanced Research 4, no. 2 (2021): 17–25. https://doi.org/10.5281/zenodo.4663485.

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With the expanding accessibility of ultrahigh field MRI frameworks, researching on non-proton nuclei (X-nuclei), such as 23Na and 31P, have attracted wide attention. There are varieties of possibilities for in-depth study of this substance: firstly, it may shed light on cellular processes and energy metabolism in the field of biological tissues. Secondly, based on the first factor, it assists us to link pathological conditions to neurodegenerative diseases by displaying the nucleus. During the research, it has been found that this substance requires a well-designed radio frequency (RF) system
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Maunder, Adam, Madhwesha Rao, Fraser Robb, and Jim M. Wild. "Comparison of MEMS switches and PIN diodes for switched dual tuned RF coils." Magnetic Resonance in Medicine 80, no. 4 (2018): 1746–53. http://dx.doi.org/10.1002/mrm.27156.

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MOMIYAMA, Naoto, Tomoyuki HAISHI, and Yasuhiko TERADA. "Development of Single-Port <sup>1</sup>H/<sup>23</sup>Na Dual-Tuned RF Coils for 9.4 T Vertical-Bore MRI [Presidential Award Proceedings]." Japanese Journal of Magnetic Resonance in Medicine 44, no. 3 (2024): 119–22. http://dx.doi.org/10.2463/jjmrm.2023-1807.

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Villa-Valverde, P., I. Rodriguez, D. Padro, M. Benito, CE Garrido-Salmon, and J. Ruiz-Cabello. "A dual H-1/F-19 birdcage coil for small animals at 7T MRI." Magnetic Resonance Materials in Physics, Biology and Medicine 32, no. 1 (2019): 87–79. https://doi.org/10.1007/s10334-018-00733-z.

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ObjectiveGiven the growing interest in fluorine, it is necessary to develop new multi-tuned RF coils. Therefore, our objective is to design a simple and versatile double-tuned RF coil that can be used as a transmitter and receiver double-tuned coil (H-1 and F-19) or as transmitter-only double-tuned coil. Materials and methodsA high-pass eight-element birdcage coil was built for H-1 and F-19 for a 7T scanner. PIN diodes and cable traps to block unwanted common mode currents in cables were introduced to confer more flexibility to the coil. S-parameters and quality factor were measured in workben
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Han, Sang-Doc, Junghyun Song, Daniel Hernandez, and Kyoung-Nam Kim. "Dual-Tuned Monopole/Loop Coil Array for Concurrent RF Excitation and Reception Capability for MRI." Journal of the Korean Physical Society 75, no. 8 (2019): 610–16. http://dx.doi.org/10.3938/jkps.75.610.

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Ha, Seunghoon, Mark J. Hamamura, Orhan Nalcioglu, and L. Tugan Muftuler. "A PIN diode controlled dual-tuned MRI RF coil and phased array for multi nuclear imaging." Physics in Medicine and Biology 55, no. 9 (2010): 2589–600. http://dx.doi.org/10.1088/0031-9155/55/9/011.

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Dissertations / Theses on the topic "Dual-Tuned RF coils"

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Yeung, David. "Dual-tuned radiofrequency coils for field-cycled proton-electron double resonance imaging of free radicals." Thesis, University of Aberdeen, 1995. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU078721.

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Field-cycled proton-electron double-resonance imaging (FC-PEDRI) is a technique developed to image the distribution of free radicals in biological samples. This technique is based on the Overhauser Effect that causes an enhancement in the NMR signal by saturating the ESR resonance of unpaired electrons in the sample. FC-PEDRI requires two sources of RF irradiations. To improve the sensitivity and to reduce power deposition in samples, new dual-tuned single coil designs were needed since existing dual-tuned single-coil designs known in the literature cannot operate at two widely separated frequ
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MAGGIORELLI, FRANCESCA. "Design and Development of Radio Frequency Coils for Sodium Magnetic Resonance Imaging at 7 T." Doctoral thesis, Università di Siena, 2019. http://hdl.handle.net/11365/1066803.

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The main goal of this Thesis is the design and development of Radio-Frequency (RF) coils for sodium Magnetic Resonance Imaging (MRI) at Ultra High Field (UHF). The advantage of using UHF MR scanners is due to the possibility to achieve improved Signal-to-Noise-Ratio (SNR) and spatial resolution. These characteristics are fundamental in case of imaging with nuclei different from proton, which provide an intrinsically lower signal because of their lower in-vivo concentration and lower gyromagnetic ratio. Moreover, the overlap between sodium and proton images allows the accurate localization of r
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Ji, Yiyi. "Dual tuned 19F/1H multichannel coil for magnetic resonance imaging of human knee at 7.0 Tesla." Master's thesis, 2013. http://hdl.handle.net/10451/9612.

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Tese de mestrado integrado em Engenharia Biomédica e Biofísica (Engenharia Clínica e Instrumentação Médica), apresentada à Universidade de Lisboa, através da Faculdade de Ciências, 2013<br>Anti-inflamatórios não esteróides (NSAIDs) tópicos foram introduzidos no tratamento da artrite reumatóide, de forma a evitar os efeitos secundários da administração oral destes medicamentos. Embora seja conhecido que os NSAIDs de aplicação tópica são capazes de penetrar na pele humana, não existem estudos com humanos in vivo que mostrem a eficiência de penetração e o percurso do medicamento até ao local de i
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Conference papers on the topic "Dual-Tuned RF coils"

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Fontana, N., F. Costa, G. Tiberi, L. Nigro, and A. Monorchio. "Distributed trap FSS filter for dual tuned RF MRI coil decoupling at 7.0T." In 2017 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2017. http://dx.doi.org/10.1109/iceaa.2017.8065492.

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