Results 101 to 110 of about 368,814 (294)

Breaking the Surface: Buoyant Metal–Polymer Open–Cell Hybrid Lattice Metamaterials

open access: yesAdvanced Materials, EarlyView.
Open‐cell metal–polymer lattice metamaterials that defy sinking. (a) Injection process of the polyurethane (PU) foam into the titanium (Ti‐6Al‐4V) hollow‐strut lattice creating the open‐cell Ti‐6Al‐4V+PU hybrid lattice, (b) flotation test of a hybrid lattice specimen, and (c) a digital representation and experimental validation of a marine buoy ...
Jordan Noronha   +7 more
wiley   +1 more source

Advanced Materials for Biologics Delivery to Brain Tumors

open access: yesAdvanced Materials, EarlyView.
Material innovation is central to unlocking the therapeutic potential of biologics against many central nervous system diseases, including brain cancer. By engineering carriers with controlled transport, targeting, and release properties, advanced materials can overcome the blood–brain barrier and tumor microenvironment, improving the delivery of ...
Yuran Feng   +4 more
wiley   +1 more source

Development of ECG Monitoring System and Implantable Device with Wireless Charging

open access: yesMicromachines, 2019
We developed an implantable electrocardiogram (ECG) monitoring system and demonstrated its performance through an in vivo test. In the system, the implantable device senses not only the ECG signal of the animal but also the voltage level of the secondary
Jae-Ho Lee, Dong-Wook Seo
doaj   +1 more source

A serpentine PIFA antenna for implantable RFID tag

open access: yes, 2015
A serpentine planar inverted-F antenna (PIFA) is designed for Medical Implant Communications Services (MICS) band (401-406MHz) and presented in this paper. Resonance frequency of implantable antenna is generally detuned towards lower frequency due to the
Sabrin, S.   +4 more
core  

Fabrication of Aligned Polycaprolactone Nanofibrillar Bundles to Control Cell‐Mediated Collagen Deposition in Engineered Cartilage

open access: yesAdvanced Materials, EarlyView.
Melt electrofibrillation (MEF) enables the fabrication of nanofibrillar PCL scaffolds with defined architectures that guide cellular alignment and retention during cartilage tissue engineering. Unlike conventional melt electrowriting, MEF consistently directs collagen type II‐rich extracellular matrix organization, providing a tunable platform to ...
Alba Pueyo Moliner   +10 more
wiley   +1 more source

Design and In Vivo Measurement of Miniaturized High-Efficient Implantable Antennas for Leadless Cardiac Pacemaker

open access: yesApplied Sciences
Deeply implanted biomedical devices like leadless pacemakers require an antenna with minimal volume and high radiation efficiency to ensure reliable in-body communication and long operational time within the human body.
Xiao Fang   +4 more
doaj   +1 more source

Design of Novel S-Shaped Quad-Band Antenna for MedRadio/WMTS/ISM Implantable Biotelemetry Applications

open access: yesInternational Journal of Antennas and Propagation, 2012
A novel S-shaped quad-band planar inverted-F antenna (PIFA) is proposed for implantable biotelemetry in the Medical Device Radiocommunications Service (MedRadio) band (401–406 MHz), Wireless Medical Telemetry Service (WMTS) band (1427–1432 MHz), and ...
Chih-Kuang Wu   +3 more
doaj   +1 more source

Resonance sensitivity and quality factor of implantable loop antenna loaded with interdigital capacitor in the cerebral spinal fluid

open access: yes, 2018
The design of an implantable loop antenna loaded with an interdigital capacitor operating at 400 MHz is presented. The sensitivity of the resonance change due to the change of the dielectric constant of the implantation tissue is studied and assessed via
Manoufali, Mohamed   +3 more
core   +1 more source

Advances in Bio‐Integrated Edge Computing Systems for Smart and Connected Health

open access: yesAdvanced Materials, EarlyView.
This review explores advances in bio‐integrated edge computing for healthcare, focusing on co‐designing computing, sensing, and energy strategies to overcome integration and power challenges for optimized, decentralized operation. ABSTRACT Recent advances in bio‐integrated healthcare technologies have enabled continuous, high‐resolution monitoring and ...
Gyuwon Kim   +4 more
wiley   +1 more source

Implantable antennas for ISM band applications in a human phantom

open access: yesMaskay
This study presents two antenna designs for implantable applications in the human head, operating within the 2.4 GHz ISM band. Both antennas are integrated into a flat device and evaluated through simulations using a human head phantom.
Johan Quizhpe Valle   +1 more
doaj   +1 more source

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