ArticleScientific reports2021
Improvement of magnetic resonance imaging using a wireless radiofrequency resonator array.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Revisiting Inductively Coupled Wireless Coils in MRI: Mitigating Over-Coupling With Preamplifiers.Magnetic resonance in medicine · 2026Article
- Modular Metamaterials for Adaptable MRI Signal Control: Combining Dipole Array With a New Hexagon-Based Artificial Dielectrics.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Low-Cost and Detunable Wireless Resonator Glasses for Enhanced Eye MRI With Concurrent High-Quality Whole-Brain MRI.Magnetic resonance in medicine · 2026Article
- Fast electromagnetic and RF circuit co-simulation for passive resonator field calculation and optimization in MRI.Magnetic resonance imaging · 2026Article
- Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Enhancement of in vivo 7T magnetic resonance neuroimaging via flexible metasurfaces.Npj imaging · 2026Article
- Wireless Resonators With Coupled Versus Decoupled Units: Which Enhances Local SNR of RF Receive Arrays Better?Magnetic resonance in medicine · 2026Article
- A Near-Field Coupling Array Enables Parallel Imaging and SNR Gain in MRI.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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- Magnetic field probe-based co-simulation method for irregular volume-type inductively coupled wireless MRI radiofrequency coils.Magnetic resonance imaging · 2025Article
- An 8Tx/32Rx head-neck coil at 7T by combining 2Tx/32Rx Nova coil with 6Tx shielded coaxial cable elements.Magnetic resonance in medicine · 2025Article
- Radiofrequency Enhancer to Recover Signal Dropouts in 7 Tesla Diffusion MRI.Sensors (Basel, Switzerland) · 2024Article
- A 32-Channel Sleeve Antenna Receiver Array for Human Head MRI Applications at 10.5 T.IEEE transactions on medical imaging · 2023Article
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Authors and funding
9 authors.
Funding
Abstract
In recent years, new human magnetic resonance imaging systems operating at static magnetic fields strengths of 7 Tesla or higher have become available, providing better signal sensitivity compared with lower field strengths. However, imaging human-sized objects at such high field strength and associated precession frequencies is limited due to the technical challenges associated with the wavelength effect, which substantially disturb the transmit field uniformity over the human body when conventional coils are used. Here we report a novel passive inductively-coupled radiofrequency resonator array design with a simple structure that works in conjunction with conventional coils and requires only to be tuned to the scanner's operating frequency. We show that inductive-coupling between the resonator array and the coil improves the transmit efficiency and signal sensitivity in the targeted region. The simple structure, flexibility, and cost-efficiency make the proposed array design an attractive approach for altering the transmit field distribution specially at high field systems, where the wavelength is comparable with the tissue size.
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