ReviewMagma (New York, N.Y.)2022
Novel materials in magnetic resonance imaging: high permittivity ceramics, metamaterials, metasurfaces and artificial dielectrics.
Review in Magma (New York, N.Y.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
26 citing papers in PubMed, 68 citations in OpenAlex.
- Enhanced Transmit Efficiency of a Loop Array Combined With Out-of-Phase Passive Dipoles for Thoracic Spinal Cord MRI at 7T.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
- Enhancing SNR in MRI at 7T using wearable coils, dielectric resonators, and dipole antennas.Magma (New York, N.Y.) · 2026Article
- Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Wireless Resonators With Coupled Versus Decoupled Units: Which Enhances Local SNR of RF Receive Arrays Better?Magnetic resonance in medicine · 2026Article
- A high-performance ceramic volume coil for preclinical MRI.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2026Article
- Comparison ofMagma (New York, N.Y.) · 2026Article
- Adaptive radiofrequency shimming in MRI using reconfigurable dielectric materials.Scientific reports · 2025Article
- Percolation effect induced significant changes in the complex permittivity and permeability of silver-epoxy nano-composites.Scientific reports · 2025Article
- Improving Image Quality and Decreasing SAR With High Dielectric Constant Pads in 3 T Fetal MRI.Journal of magnetic resonance imaging : JMRI · 2025Article
- In Vivo Brain BNMR in biomedicine · 2025Article
- Large improvement in RF magnetic fields and imaging SNR with whole-head high-permittivity slurry helmet for human-brain MRI applications at 7 T.Magnetic resonance in medicine · 2025Article
- Flexible and wireless metasurface coils for knee and elbow MRI.European radiology experimental · 2025Article
- 3D Metamaterials Facilitate Human Cardiac MRI at 21.0 Tesla: A Proof-of-Concept Study.Sensors (Basel, Switzerland) · 2025Article
- Shaping the RF Transmit Field in 7T MRI Using a Nonuniform Metasurface Constructed of Short Conducting Strips.ACS applied materials & interfaces · 2024Article
- Nonlinear metamaterials enhanced surface coil array for parallel magnetic resonance imaging.Nature communications · 2024Article
- In vivoMagnetic resonance in medicine · 2024Article
- Helmet Radio Frequency Phased Array Applicators Enhance Thermal Magnetic Resonance of Brain Tumors.Bioengineering (Basel, Switzerland) · 2024Article
- Article
- A Metamaterial-like Structure Design Using Non-uniformly Distributed Dielectric and Conducting Strips to Boost the RF Field Distribution in 7 T MRI.Sensors (Basel, Switzerland) · 2024Article
Corrections and comments
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Authors and funding
5 authors at 4 institutions in 3 countries.
Funding
Abstract
This article reviews recent developments in designing and testing new types of materials which can be: (i) placed around the body for in vivo imaging, (ii) be integrated into a conventional RF coil, or (iii) form the resonator itself. These materials can improve the quality of MRI scans for both in vivo and magnetic resonance microscopy applications. The methodological section covers the basic operation and design of two different types of materials, namely high permittivity materials constructed from ceramics and artificial dielectrics/metasurfaces formed by coupled conductive subunits, either in air or surrounded by dielectric material. Applications of high permittivity materials and metasurfaces placed next to the body to neuroimaging and extremity imaging at 7 T, body and neuroimaging at 3 T, and extremity imaging at 1.5 T are shown. Results using ceramic resonators for both high field in vivo imaging and magnetic resonance microscopy are also shown. The development of new materials to improve MR image quality remains an active area of research, but has not yet found significant use in clinical applications. This is mainly due to practical issues such as specific absorption rate modelling, accurate and reproducible placement, and acceptable size/weight of such materials. The most successful area has been simple "dielectric pads" for neuroimaging at 7 T which were initially developed somewhat as a stop-gap while parallel transmit technology was being developed, but have continued to be used at many sites. Some of these issues can potentially be overcome using much lighter metasurfaces and artificial dielectrics, which are just beginning to be assessed.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.