Results 111 to 120 of about 63,086 (289)
Smart Catheters for Diagnosis, Monitoring, and Therapy
Advanced Healthcare Materials, EarlyView.This study presents a comprehensive review of smart catheters, an emerging class of medical devices that integrate embedded sensors, robotics, and communication systems, offering increased functionality and complexity to enable real‐time health monitoring, diagnostics, and treatment. Abstract This review explores smart catheters as an emerging class of
Azra Yaprak Tarman +12 more
wiley +1 more source
Full-Duplex Systems Using Multi-Reconfigurable Antennas
, 2014 Full-duplex systems are expected to achieve 100% rate improvement over half-duplex systems if the self-interference signal can be significantly mitigated. In this paper, we propose the first full-duplex system utilizing Multi-Reconfigurable Antenna (MRA)
Ahmed, Elsayed +3 more
core +1 more source
Advanced Healthcare Materials, EarlyView.This study presents guanidinium‐ and indole‐functionalized polyphosphoesters as degradable, non‐viral gene delivery vectors. Through precise tuning of charge density and hydrophobicity, these polymers form stable polyplexes with low toxicity. Remarkably, minor structural changes yield up to 200‐fold differences in transfection efficiency, highlighting ...
Markus Kötzsche +8 more
wiley +1 more source
Directional Liquid Transport Enabled pH‐Responsive Hierarchical Composite for Enhanced Wound Healing
Advanced Healthcare Materials, EarlyView.A hierarchical composite with a gradient architecture transitioning from hydrophobic to hydrophilic layers integrates diode‐like liquid transport, efficient water absorption, breathability, and mechanical robustness. This device enables a multifunctional therapeutic platform with pH‐responsive dual‐drug release, providing synergistic anti‐inflammatory ...
Baolin Wang +5 more
wiley +1 more source
An Improved PIN Diode Model Design for a Tunable Frequency Selective Absorber
Applied SciencesAn enhanced PIN diode model designed for a tunable frequency absorber is proposed, enabling continuous and adjustable absorption across the X-band frequency range. This new structure consists of four primary components: a frequency selective surface (FSS)
Hanxiang Lin, Xiaoxing Fang
doaj +1 more source
Substrate and Passivation Techniques for Flexible Amorphous Silicon-Based X-ray Detectors
Sensors, 2016 Flexible active matrix display technology has been adapted to create new flexible photo-sensing electronic devices, including flexible X-ray detectors.
Michael A. Marrs, Gregory B. Raupp
doaj +1 more source
Carrier dynamics and coherent acoustic phonons in nitride heterostructures
, 2006 We model generation and propagation of coherent acoustic phonons in piezoelectric InGaN/GaN multi-quantum wells embedded in a \textit{pin} diode structure and compute the time resolved reflectivity signal in simulated pump-probe experiments. Carriers are
C. J. Stanton +8 more
core +1 more source
Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application
Advanced Materials, EarlyView.This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong +12 more
wiley +1 more source
Channelized coplanar waveguide pin-diode switches [PDF]
Three different types of p-i-n diode, reflective CPW switches are presented. The first two switches are the series and the shunt mounted diode switches. Each has achieved greater than 15 dB of isolation over a broad bandwidth.
Ponchak, G. E., Simons, R. N.
core +1 more source
Ultra-fast lateral SOI PiN diode [PDF]
, 2014 Power semiconductors are becoming key devices for energy-saving society, therefore higher performance and productivity is required. We proposed a silicon-on-insulator (SOI) PiN diode, which realizes ultra-fast reverse recovery without waveform ...
今城 寛紀 +2 more
core +1 more source