Results 121 to 130 of about 40,531 (305)

Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook

Advanced Materials Technologies, EarlyView.
A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi, Sang Won Lee, Mohammad Abrar Uddin, Sina Hassanpoor, Neha Suvindran, Katherine Le, Harun Arkaz, Harishkumar Narayana, Saeid Soltanian, Danial Khorsandi, Negar Hosseinzadeh Kouchehbaghi, Taeil Kim, Yangzhi Zhu   +12 more
wiley   +1 more source

Decoupling the Impact of Deep‐Trap and Band‐Tail States on PbS Quantum Dot Photodetectors via Alkylamine Engineering

Advanced Materials Technologies, EarlyView.
Band‐tail and deep trap states are effectively disentangled through the use of selective alkylamine additives. PA‐driven 2D ordering narrows band tails, while HA enhances halide passivation and Pb coordination to suppress deep traps. A comparative study of their CQD short‐wave infrared (SWIR) photodetectors further reveals whether band‐tail states or ...
Huaying Zhong, Fan Fang, Jasper Guido Ebel, Qian Chen, Lixin Li, Kaiyu Luo, Yihan Song, Andong Zhong, Haibo Zhu, Xiao Wang, Kaijie Ling, Yong Xia, Haodong Tang, Wei Chen, Peter Müller‐Buschbaum   +14 more
wiley   +1 more source

Reconfigurable MIMO Antenna for IoT Wireless Applications Controlled by Embedded System

Journal of Telecommunications and Information Technology
In this paper, a reconfigurable 2×2 and 4×4 MIMO antenna is designed for UWB X-band wireless applications. The proposed design uses square patch radiating electromagnetic energy and a novel ground structure and consists of a reconfigurable module ...
Naresh Kumar, Pradeep Kumar, Manish Sharma   +2 more
doaj   +1 more source

Highly Bright Deep‐Blue Perovskite Light‐Emitting Diodes via Dual‐Passivating Additive‐Based Synergetic Solid‐State Halide Exchange

Advanced Optical Materials, EarlyView.
This study presents a dual‐passivating additive‐based synergetic solid‐state halide exchange (DASH) process using chlorodiphenylphosphine (CDPP), which passivates undercoordinated Pb2+ sites and releases chloride ions for uniform halide exchange. The DASH process enhances halide homogeneity and PLQY, enabling bright and spectrally stable deep‐blue ...
Jun‐Seo Lee, Seungjae Lee, Hyojun Kim, WonJeong Yu, Hyungdoh Lee, Jaedong Jang, Seungwoo Lee, Eunha Park, Hyungju Ahn, Seungbum Hong, Jung‐Yong Lee, Himchan Cho   +11 more
wiley   +1 more source

A Flexible Reconfigurable MIMO Antenna for IoT-Enabled Smart Systems

International Journal of Antennas and Propagation
As the Internet of Things (IoT) advances, low-cost, intelligently networked wireless sensor networks (WSNs) are being developed and deployed at cloud edge locations to enable new Internet-based services.
null Shailesh, Garima Srivastava, Sachin Kumar, Saad Aldosary, Walid El-Shafai, Bhawna Goyal, Sandeep Kumar Palaniswamy   +6 more
doaj   +1 more source

The Role of Ionic Liquids at the Biological Interfaces in Bioelectronics

Advanced Science, EarlyView.
Ionic liquids (ILs) are highlighted as key artificial ionic materials that bridge biological ion‐based signaling and electronic devices. By understanding their composition, structure, function relationships, and mechanisms, ILs can advance from high performance electrolyte to core materials enabling integrated, multifunctional bioelectronics for ...
Yeong‐sinn Ye, Young Jin Jo, Ji Yeon Oh, Ju Yeon Jeong, Lili Guo, Tae‐il Kim   +5 more
wiley   +1 more source

Random Time‐Space Coding Metasurfaces for Spatial Control of the Temporal Statistics of Electromagnetic Fields

Advanced Science, EarlyView.
A probabilistic framework based on random time‐space coding metasurfaces enables control of the spatial distribution of electromagnetic fields temporal statistics. By tailoring the marginal and joint distributions of random codes, electromagnetic fields with desired mean and variance patterns are realized, enabling simultaneous transmission and jamming.
Jia Cheng Li, Jiang Han Bao, Che Liu, Tie Jun Cui   +3 more
wiley   +1 more source

Mapping of integrated PIN diodes with a 3D architecture by scanning microwave impedance microscopy and dynamic spectroscopy. [PDF]

Beilstein J Nanotechnol, 2020
Coq Germanicus R, De Wolf P, Lallemand F, Bunel C, Bardy S, Murray H, Lüders U.   +6 more
europepmc   +1 more source

Wide power range microwave feedback controller [PDF]

, 1978
A substantially constant power level is derived over a predetermined frequency band, in each of a plurality of relatively widely spaced power ranges, from a microwave load having a predetermined amplitude versus frequency response, such as an antenna.
Titus, L. E.
core   +1 more source

XOR‐Logic Phase Coding Programmable Metasurface for Low Power‐Consumption Systems

Advanced Science, EarlyView.
By leveraging XOR logic, the biasing‐network complexity of 2D programmable metasurfaces is reduced from m×n to m+n through efficient row‐column control. This enables versatile functions including beam deflection and beamforming, facilitating applications in wireless communications and beyond.
Ruichao Zhu, Sai Sui, Junyan Dai, Qunyan Zhou, Yuxiang Jia, Yajuan Han, Yuxi Li, Shaojie Wang, Qiang Cheng, Jiafu Wang, Tie Jun Cui   +10 more
wiley   +1 more source