Results 71 to 80 of about 1,759 (291)

Strong beaming of microwave surface waves with complementary split-ring-resonator arrays

Scientific Reports, 2018
A thin copper sheet, populated by an array of complementary split ring resonators, presents strong surface wave beaming in orthogonal directions at two distinct frequencies.
Emily Young, Joseph A. Dockrey, Alastair P. Hibbins, J. Roy Sambles, Christopher R. Lawrence   +4 more
doaj   +1 more source

Design of novel highly sensitive sensors for crack detection in metal surfaces: theoretical foundation and experimental validation

Scientific Reports, 2023
The application of different types of microwave resonators for sensing cracks in metallic structures has been subject of many studies. While most studies have been focused on improving the sensitivity of planar crack sensors, the theoretical foundation ...
Zahra Shaterian, Ali K. Horestani, Ferran Martín, Michal Mrozowski   +3 more
doaj   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

FEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová, Grigorii Rakhalskii, Miroslav Almáši   +2 more
wiley   +1 more source

Nanofabrication of planar split ring resonators for negative refractive index metamaterials in the infrared range [PDF]

Journal of the Serbian Chemical Society, 2006
Experimental nanofabrication of planar structures for one-dimensional metamaterials designed to achieve a negative effective refractive index in the mid-infrared range (5-10 micrometers) was performed.
Jakšić Zoran, Vasiljević-Radović Dana, Maksimović Milan, Sarajlić Milija, Đurić Zoran   +4 more
doaj   +1 more source

Complementary Split-Ring Resonators for Non-Invasive Characterization of Biological Tissues

, 2018
International audiencePlanar microwave sensors are very interesting for health applications, such as the investigation of dielectric properties of biological tissues in a non-invasive and contactless manner.
Alquié, Georges, Satria Hardinata, Fabien Koskas, Georges Alquie, Hardinata, Satria, Hamid Kokabi, Kokabi, Hamid, Frederique Deshours, Deshours, Frédérique, Koskas, Fabien   +9 more
core   +1 more source

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang, Yixiu Pei, Xiaobao Hu, Ying Xiong, Fang Wang, Yanyan Yu, Min Zhu, Dandan Tan, Meihong Zhou, Daojun Hong, Fuqing Zhou   +10 more
wiley   +1 more source

Performance analysis of a novel metamaterial-inspired substrate-integrated cavity for 5G applications

EPJ Applied Metamaterials
The functionality of a fully planar metamaterial-inspired substrate-integrated cavity is thoroughly investigated in the present work. The electromagnetic field confinement of the proposed device is realized with the utilization of broadside-coupled ...
Amanatiadis Stamatis, Salonikios Vasileios, Kantartzis Nikolaos, Yioultsis Traianos   +3 more
doaj   +1 more source

Wide Band Stop Response Using Interdigital Capacitor/CSRR DGS in Elliptical Microstrip Low-Pass Filter

Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2020
In this paper, a compact elliptic-response microstrip low pass filter (LPF) is presented with a wide stop-band using stepped impedance resonators. With high attenuation in the stop-band, the overall size reduction of the proposed filter is achieved using
Dristi Singhal, Shreyanshi Singh, Vipul Kaushal, Amit Birwal, Kamlesh Patel   +4 more
doaj   +1 more source

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende, Emilien Petit, Young Woo Park, Sophie Tezenas du Montcel, James M. Joers, Jonathan M. DuBois, H. Moore Arnold, Michal Povazan, Ipek Özdemir, Guita Banan, Romain Valabregue, Philipp Ehses, Jennifer Faber, Chiadi U. Onyike, Peter B. Barker, Jeremy D. Schmahmann, Eva‐Maria Ratai, Sub H. Subramony, Thomas H. Mareci, Khalaf O. Bushara, Henry Paulson, Thomas Klockgether, Alexandra Durr, Tetsuo Ashizawa, Christophe Lenglet, Gülin Öz, READISCA Investigators   +26 more
wiley   +1 more source

Sharp Rejection and Wide Stopband Microstrip Lowpass Filters using Complementary Split Ring Resonators

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
Chebyshev microstrip lowpass filters with improved performance, achieved by means of circular complementary split ring resonators (CSRR), are presented.
I. F. da Costa, A. L. P. S. Campos, A. Gomes Neto   +2 more
doaj   +1 more source