Shaping and focusing magnetic field in the human body: State-of-the art and promising technologies

S Rotundo, D Brizi, A Flori, G Giovannetti, L Menichetti… - Sensors, 2022 - mdpi.com
In recent years, the usage of radio frequency magnetic fields for biomedical applications has
increased exponentially. Several diagnostic and therapeutic methodologies exploit this …

Advanced biological imaging techniques based on metasurfaces

Y Jo, H Park, H Yoon, I Kim - Opto-Electronic Advances, 2024 - oejournal.org
Advanced imaging techniques have been widely used in various biological studies.
Currently, numerous imaging modalities are utilized in biological applications, including …

A thin metallo-dielectric stacked metamaterial as “add-on” for magnetic field enhancement in clinical MRI

P Das, J Gupta, D Sikdar, R Bhattacharjee - Journal of Applied Physics, 2022 - pubs.aip.org
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 …

Low frequency magnetic metasurface for wireless power transfer applications: reducing losses effect and optimizing loading condition

P Usai, D Brizi, A Monorchio - IEEE Access, 2023 - ieeexplore.ieee.org
In this paper, we analyze the operative limits and the conditions characterizing low
frequency magnetic metasurfaces used in practical Wireless Power Transfer applications. In …

High-Q metasurface signal isolator for 1.5 T surface coil magnetic resonance imaging on the go

Q Ren, Y Lang, Y Jia, X Xiao, Y Liu, X Kong, R Jin… - Optics …, 2024 - opg.optica.org
The combination of surface coils and metamaterials remarkably enhance magnetic
resonance imaging (MRI) performance for significant local staging flexibility. However, due …

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 …

Aperture–patch sandwich metasurface for magnetic field enhancement in 1.5 T MRI

P Das, J Gupta, D Sikdar, R Bhattacharjee - Magnetic Resonance Imaging, 2023 - Elsevier
Magnetic resonance imaging (MRI) is an increasingly popular non-invasive technique for
clinical diagnosis. Signal-to-noise ratio (SNR) is a crucial performance metric of MRI …

Nonlinear metamaterials enhanced surface coil array for parallel magnetic resonance imaging

B Li, R Xie, Z Sun, X Shao, Y Lian, H Guo… - Nature …, 2024 - nature.com
Magnetic resonance imaging (MRI) is a crucial medical imaging modality, with parallel MRI
accelerating scans but often reducing the signal-to-noise ratio (SNR). Recent advances in …

Enhancing signal-to-noise ratio of clinical 1.5 T MRI using metasurface-inspired flexible wraps

J Gupta, P Das, R Bhattacharjee, D Sikdar - Applied Physics A, 2023 - Springer
Magnetic resonance imaging (MRI) is one of the prominent diagnostic tools which uses non-
invasive modalities for clinical imaging of human body parts. Signal-to-noise ratio (SNR), the …

Metamaterial-enhanced magnetic resonance imaging: a review

Z Guo, Y Xu, S Hu, Y Wang, Y Sun… - Advanced Photonics …, 2024 - spiedigitallibrary.org
Magnetic resonance imaging (MRI), as a noninvasive and powerful method in modern
diagnostics, has been advancing in leaps and bounds. Conventional methods to improve …