Results 41 to 50 of about 536 (180)

Uncertainty‐Aware Deep Ensembles for Robust and Reliable Chemical Sensor Arrays

Advanced Science, EarlyView.
A reliability‐aware electronic nose is developed using photothermally anchored metal‐catalyst decorated metal oxide nanofiber sensor arrays combined with deep ensemble learning. Diverse catalytic nanofiber channels generate gas‐specific response patterns, enabling selective identification and quantification of sulfur‐containing gases.
Sungwoo Eo, Ji‐Hwan Eum, Suk‐Jeong Kwon, Minji Sagong, Dongchan Kim, Dong‐Ha Kim   +5 more
wiley   +1 more source

A systematic review of intelligent reflecting surface aided non-orthogonal multiple access beamforming-based free space optical communication systems

Al-Qadisiyah Journal for Engineering Science
The intelligent reflecting surfaces (IRSs) that support non-orthogonal multiple access (NOMA), and using beamforming techniques in free space optical (FSO), are systematically reviewed in this study.
Batool Rafid Natiq, Lwaa Faisal Abdulameer   +1 more
doaj   +1 more source

Intelligent Reflecting Surface–UAV Systems in the Internet of Things Network: A Survey

IEEE Access, 2023
Intelligent reflecting surfaces (IRSs) and unmanned aerial vehicles (UAVs) are used in Internet of Things (IoT) networks to reduce costs, maximize energy efficiency, and provide a large coverage area through a flexible base station.
Sarah A. Alsarayreh, Nurul Asyikin Mohamed Radzi, Ammar Ahmed Alkahtani, Kaiyisah Hanis Mohd Azmi   +3 more
doaj   +1 more source

Coordination‐Tuned Iridium Single‐Atom Nanozymes Boost Multienzyme Activity for Colorimetric Sensing

Advanced Science, EarlyView.
Breaking the coordination symmetry of Ir single‐atom sites through asymmetric Ir–N3S1 engineering tailors interfacial electron transfer, oxygen activation, and multienzyme‐like catalytic pathways. Operando spectroscopy and theoretical modeling uncover the atomic‐level origin of activity enhancement, providing a strategy for designing multifunctional ...
Tao Li, Xinyu Zhang, Jiashan Xia, Mengyu Wu, Cong Liu, Yapei Sun, Wanjiang Zhao, Min Qian, Wei Wang, Weixia Duan, Shangcheng Xu   +10 more
wiley   +1 more source

Deciphering Intricacies in Directional CO2 Conversion From Electrolysis to CO2 Batteries

Advanced Energy Materials, EarlyView.
This review will delve into the inherent connections and distinctions of CO2‐directed conversion in ECO2RR and CO2 batteries, in terms of product types, catalyst selection, catalytic mechanisms, and electrochemical performances, while proposing a benchmarking framework for the evaluation of CO2 batteries and innovative CO2 battery configurations for ...
Changfan Xu, Huaping Zhao, Lizhuang Chen, Weidong Shi, Guosheng Shao, Yong Lei   +5 more
wiley   +1 more source

FastCat: Autonomous Discovery of Multielement Layered Double Hydroxide Alloy Catalysts for Alkaline Oxygen Evolution Reaction

Advanced Intelligent Discovery, EarlyView.
A machine learning‐guided self‐driving laboratory screened over 500 nickel‐based layered double‐hydroxide catalysts for alkaline oxygen evolution. Out of the eight metals, the robot uncovered a quaternary Ni–Fe–Cr–Co catalysts requiring only 231 mV overpotential to reach 20 mA cm−2.
Nis Fisker‐Bødker, Enzo Raffaele Moretti, Jin Hyun Chang, Tejs Vegge   +3 more
wiley   +1 more source

Aerial IRS With Robotic Anchoring: Novel Adaptive Coverage Enhancement in 6G Networks

IEEE Open Journal of the Communications Society
Unmanned Aerial Vehicles (UAVs) integrated with Intelligent Reflecting Surfaces (IRS) offer promising solutions for enhancing radio access networks in dense urban microcell environments.
Xinyuan Wu, Vasilis Friderikos
doaj   +1 more source

Harnessing ferroptosis from multilayer defense networks to nanoplatforms for specific cancer therapy

BMEMat, EarlyView.
Nanomaterials target metabolically‐regulated ferroptosis for cancer therapy. Iron‐based or alternative nanoplatforms integrate ferroptosis with chemotherapy, immunotherapy, or radiotherapy. They enable stimulus‐responsive therapies (photothermal, photodynamic, sonodynamic) activated by near‐infrared, light, or ultrasound, achieving potent synergistic ...
Xinyue Xu, Xuejian Wang, Wenyan Jiang, Wan Hairul Anuar Kamaruddin, Chunyan Fang, Pengfei Zhang   +5 more
wiley   +1 more source

Comparative analysis of single versus multi-IRS-assisted multi-user for 6 G wireless communication systems

Discover Applied Sciences
Intelligent Reflecting Surfaces (IRSs) are emerging as a key enabler technology for advancing wireless communications in 6G networks, serving as a complementary solution alongside massive MIMO and terahertz (THz) communication.
Ayalew Tadese Kibret, Amare Kassaw Yimer, Belayneh Sisay Alemu   +2 more
doaj   +1 more source

Channel estimation overhead reduction scheme and its impact in IRS-assisted systems

ICT Express
Intelligent reflecting surfaces (IRS) have been proposed as a promising solution for enhancing wireless communication by manipulating the wireless propagation environment.
Doyle Kwon, Duk Kyung Kim
doaj   +1 more source