Novel materials in magnetic resonance imaging: high permittivity ceramics, metamaterials, metasurfaces and artificial dielectrics
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 …
which can be:(i) placed around the body for in vivo imaging,(ii) be integrated into a …
Electromagnetic metamaterials for biomedical applications: short review and trends
DC Tzarouchis, M Koutsoupidou… - EPJ Applied …, 2024 - epjam.edp-open.org
This mini-review examines the most prominent features and usages of metamaterials, such
as metamaterial-based and metamaterial-inspired RF components used for biomedical …
as metamaterial-based and metamaterial-inspired RF components used for biomedical …
Flexible and compact hybrid metasurfaces for enhanced ultra high field in vivo magnetic resonance imaging
Developments in metamaterials and related structures such as metasurfaces have opened
up new possibilities in designing materials and devices with unique properties. Here we …
up new possibilities in designing materials and devices with unique properties. Here we …
A thin metallo-dielectric stacked metamaterial as “add-on” for magnetic field enhancement in clinical MRI
Magnetic resonance imaging (MRI) is a widely used clinical diagnostic tool, which is based
on the principle of nuclear magnetic resonance of hydrogen atoms in human body. The …
on the principle of nuclear magnetic resonance of hydrogen atoms in human body. The …
Metamaterial combining electric-and magnetic-dipole-based configurations for unique dual-band signal enhancement in ultrahigh-field magnetic resonance imaging
Magnetic resonance imaging and spectroscopy (MRI and MRS) are both widely used
techniques in medical diagnostics and research. One of the major thrusts in recent years has …
techniques in medical diagnostics and research. One of the major thrusts in recent years has …
Metasurfaces of capacitively loaded metallic rings for magnetic resonance imaging surface coils
MJ Freire - Scientific Reports, 2023 - nature.com
This work investigates the use of a metasurface made up of a two-dimensional array of
capacitively loaded metallic rings to enhance the signal-to-noise ratio of magnetic …
capacitively loaded metallic rings to enhance the signal-to-noise ratio of magnetic …
Metamaterial-inspired radiofrequency (RF) shield with reduced specific absorption rate (SAR) and improved transmit efficiency for UHF MRI
To prevent the interferences between radiofrequency (RF) coils and other components in the
magnetic resonance imaging (MRI) system such as gradient coils, it is essential to place an …
magnetic resonance imaging (MRI) system such as gradient coils, it is essential to place an …
A magnetic resonance imaging surface coil transceiver employing a metasurface for 1.5 T applications
A capacitive impedance metasurface combined with a transceiver coil to improve the radio
frequency magnetic field for 1.5 T magnetic resonance imaging applications is presented …
frequency magnetic field for 1.5 T magnetic resonance imaging applications is presented …
Enhancing the brain MRI at ultra‐high field systems using a meta‐array structure
Background The main advantage of ultra‐high field (UHF) magnetic resonance
neuroimaging is theincreased signal‐to‐noise ratio (SNR) compared with lower field …
neuroimaging is theincreased signal‐to‐noise ratio (SNR) compared with lower field …
Harnessing surface plasmons for magnetic resonance imaging applications
Highly localized electromagnetic waves appearing in subwavelength structures, such as
surface plasmons lying on a metal surface, are fundamental ingredients in nanophotonics …
surface plasmons lying on a metal surface, are fundamental ingredients in nanophotonics …