Results 81 to 90 of about 197,962 (295)

Self‐Healing Hydrogel‐Enabled Modular Assembly of Bilayered Skin Construct for Hair Follicle Regeneration

Advanced Healthcare Materials, EarlyView.
Self‐healing assembly of two cell‐laden hydrogel layers creates a biomimetic skin construct that restores both dermal and epidermal functions, resulting in accelerated wound healing and enhanced hair follicle regeneration in a full‐thickness skin wound model. ABSTRACT Alopecia remains a pervasive clinical challenge, largely owing to the limited ability
JaeWook Park, Su Yong Kim, MinSu Jeong, Beom Joon Kim, Shin Hyuk Kang, Won‐Gun Koh   +5 more
wiley   +1 more source

MEMS-based magnetoelectric antennas for wireless power transmission in brain-implantable devices [PDF]

Wirelessly powered brain-implantable devices are emerging as promising approaches for treating neural disorders through the precise recording and stimulation of neuronal activity.
Mazón-Maldonado, Laura, Heidari, Hadi, Zhang, Jungang, Parvizi, Roghaieh, Shojaei Baghini, Mahdieh, Cerezo-Sánchez, María   +5 more
core   +1 more source

A Wireless Power Transfer Based Implantable ECG Monitoring Device

Energies, 2020
Implantable medical devices (IMDs) enable patients to monitor their health anytime and receive treatment anywhere. However, due to the limited capacity of a battery, their functionalities are restricted, and the devices may not achieve their intended ...
Junho Kim, Hyeok Kim, Dongwook Kim, Hun-Jun Park, Kiwon Ban, Seungyoung Ahn, Sung-Min Park   +6 more
doaj   +1 more source

GDNF‐Enriched Small Extracellular Vesicle‐Loaded ROS‐Scavenging Hydrogel Promotes Neural Regeneration After Spinal Cord Injury

Advanced Healthcare Materials, EarlyView.
A glial cell line‐derived neurotrophic factor (GDNF)‐enriched small extracellular vesicle‐loaded reactive oxygen species (ROS)‐scavenging hydrogel integrates sustained neurotrophic delivery with local modulation of oxidative and inflammatory stress after spinal cord injury. The composite hydrogel improves local vesicle retention, protects neural tissue,
Xingyu Zhu, Zhong Liu, Kewei Li, Yuhong Fan, Kangjia Yang, Xiaopeng Sun, Hang Shi, Lixuan Sun, Yang Lou, Min Wang, Peipei Wu, Hui Qian, Qiang Fu, Hua Ding   +13 more
wiley   +1 more source

Microfluidic Engineering of Microgels: A Review of Emerging Technologies, Materials, Fabrication Strategies, and Applications

Advanced Healthcare Materials, EarlyView.
Recent advances in microfluidic technologies for microgel fabrication are critically reviewed, highlighting the capabilities and limitations of major microfluidic platforms and discussing how platform design, material selection, and crosslinking strategies influence microgel architecture and functionality. Current challenges and future opportunities in
Afshin Abrishamkar, Laura Neely, Cynthia Pham, Nada Ibrahim, Alexis Larios‐Cervantes, Ben A. Kertesz, Todd Hoare   +6 more
wiley   +1 more source

Anti‐Inflammatory and Neuroactive Effects of Polymer‐Coated Iron Oxide Nanoparticles Functionalized With Interleukin 4 for Spinal Cord Injury

Advanced Healthcare Materials, EarlyView.
Polymer‐coated IONPs functionalized with IL‐4 display respective neuroactive and anti‐inflammatory actions on neural progenitor cells and macrophages/microglia in vitro. When examined chronically in a rat experimental model of spinal cord injury, rGO scaffolds carrying these nanosystems adequately integrate into the lesion, significantly reduce ...
Julia Martínez‐Ramírez, Paloma Lozano‐Picazo, María de Lamo‐Atencia, Andrea Ferreras, Esther Benayas‐Martín, Elena Fernández‐López, Marina Sánchez‐Petidier, Verónica Barranco‐Maresca, Víctor Caz, Anne des Rieux, Juliana M. Rosa, María del Puerto Morales, María C. Serrano   +12 more
wiley   +1 more source

Experimental Verifications of Low Frequency Path Gain ( $PG$ ) Channel Modeling for Implantable Medical Device (IMD)

IEEE Access, 2019
With the development of microelectronics and sensor technologies, implantable electronic devices are employed in many applications. These devices are distributed on or in the human bodies and are used to transmit signals wirelessly to external equipment.
Shuang Zhang, Sio-Hang Pun, Peng Un Mak, Yu Ping Qin, Yi He Liu, Yue Ming Gao, Mang I Vai   +6 more
doaj   +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, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Miniaturized Dual Band Implantable Antenna for Implanted Biomedical Devices

IEEE Access
In this paper, we present a novel design of a compact miniaturized dual-band antenna for industrial, scientific, and medical (ISM) implantable applications working at 915 MHz and 2.4 GHz. The proposed antenna has a compact size of ( $6\times 6\times0.25$ mm3).
Abdenasser Lamkaddem, Ahmed El Yousfi, Vicente González Posadas, Daniel Segovia-Vargas   +3 more
openaire   +3 more sources

A Compact, Enhanced Gain and Dual Band Antenna Array for a Cardiac Loop Recorder Device

IEEE Journal of Microwaves
An implantable cardiac loop recorder (ICLR) is a compact device that detects arrhythmias and syncope by continuously monitoring the heart’s electrical activity. The present research introduces a compact enhanced gain 4 × 2 antenna array for
Deepti Sharma, Rakesh Nath Tiwari, Sachin Kumar   +2 more
doaj   +1 more source