ArticleMagnetic resonance in medicine2025
RF coil design strategies for improving SNR at the ultrahigh magnetic field of 10.5T.
Article in Magnetic resonance in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed.
- Evaluation of 7 Tesla pTx Body Coils Regarding Transmit and Receive Performance.Magnetic resonance in medicine · 2026Article
- Design of an 8-Channel Transmit 32-Channel Receive 11.7T Head Coil and Evaluation of SNR Gains.Magnetic resonance in medicine · 2026Article
- Magnetic resonance imaging.Science advances · 2026Review
- SAR validation of RF coils and implants in a B0-free RF safety laboratory.Medical physics · 2026Article
- Mesoscale Whole-Brain TMagnetic resonance in medicine · 2026Article
- A Numerical Alternative to MR Thermometry for Safety Validation of Multi-Channel RF Transmit Coils.Magnetic resonance in medicine · 2026Article
- Timing Is Everything: How Subtle Timing Changes in MRI Echo Planar Imaging Can Significantly Alter Mechanical Vibrations and Sound Level.Magnetic resonance in medicine · 2026Article
- An Open-Source Software Toolbox for Rapid Radiofrequency Coil Design and Evaluation in MRI.Magnetic resonance in medicine · 2026Article
- Functional MRI of the Human Hippocampus at 10.5T: Pushing the Boundaries of Spatial Resolution.bioRxiv : the preprint server for biology · 2026Article
- Time-Division Multiplexing for Parallel Transmission at Ultra-High Field With Limited RF Channels.Magnetic resonance in medicine · 2026Article
- 10.5 T In Vivo Head Imaging With Universal RF Shimming.Magnetic resonance in medicine · 2026Article
- Bridging the gap with invasive imaging: promises and challenges of a new generation of ultrahigh resolution fMRI.bioRxiv : the preprint server for biology · 2026Article
- Ultimate Intrinsic SNR in the Torso of Realistic Body Models.Magnetic resonance in medicine · 2026Article
- First In VivoMagnetic resonance in medicine · 2026Article
- Advancing whole-brain BOLD functional MRI in humans at 10.5 T with motion-robust 3D echo-planar imaging, parallel transmission, and high-density radiofrequency receive coils.Magnetic resonance in medicine · 2026Article
- Comparative Assessment of Graglia-Wilton-Peterson and Rao-Wilton-Glisson Basis Functions for Radiofrequency Coil Modeling in Magnetic Resonance Imaging.IEEE journal on multiscale and multiphysics computational techniques · 2026Article
- An Optimization Framework for the Design of Radiofrequency Coils for Magnetic Resonance Imaging.bioRxiv : the preprint server for biology · 2025Article
- A shielded 32-channel body transceiver array with integrated electronics for 7 T.Magnetic resonance in medicine · 2025Article
- A 128-channel receive array with enhanced signal-to-noise ratio performance for 10.5T brain imaging.Magnetic resonance in medicine · 2025Article
- Exploring in vivo human brain metabolism at 10.5 T: Initial insights from MR spectroscopic imaging.NeuroImage · 2025Article
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19 authors.
Funding
Abstract
purposeToward pushing the boundaries of ultrahigh fields for human brain imaging, we wish to evaluate experimentally achievable SNR relative to ultimate intrinsic SNR (uiSNR) at 10.5T, develop design strategies toward approaching the latter, quantify magnetic field-dependent SNR gains, and demonstrate the feasibility of whole-brain, high-resolution human brain imaging at this uniquely high field strength.
methodsA dual row 16-channel self-decoupled transmit (Tx) and receive (Rx) array was developed for 10.5T using custom Tx/Rx switches. A 64-channel receive-only array was built to fit into the 16-channel Tx/Rx array. Electromagnetic modeling and experiments were used to define safe operational power limits. Experimental SNR was evaluated relative to uiSNR at 10.5T and 7T.
resultsThe 64-channel Rx array alone captured approximately 50% of the central uiSNR at 10.5T, while an identical array developed for 7T captured about 76% of uiSNR at 7T. The 16-channel Tx/80-channel Rx configuration brought the fraction of uiSNR captured at 10.5T to levels comparable to the 64-channel Rx array at 7T. SNR data displayed an approximate
conclusionWe demonstrated the ability to approach the uiSNR at 10.5T over the human brain, achieving large SNR gains over 7T, currently the most commonly used ultrahigh-field platform. Whole-brain, high-resolution anatomical and EPI-based functional MRI data were obtained at 10.5T, illustrating the promise of greater than 10T fields in studying the human brain.
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