Results 151 to 160 of about 104,754 (247)

A Low‐Cost and Compact High‐Frequency Gallium Nitride Gradient Power Amplifier for Low‐Field MRI

Magnetic Resonance in Medicine, Volume 95, Issue 5, Page 2992-2999, May 2026.
ABSTRACT Purpose To reduce the upfront cost of small, low‐field MRI systems, while expanding the capabilities of their gradient systems. Methods A gradient power amplifier was designed to leverage the lowering cost of Gallium Nitride (GaN) power transistors and high speed logic, to achieve high efficiency and responsiveness for driving gradient coils ...
N. Reid Bolding, Jacob Hannan, Christopher Vaughn, Aria Patel, Snow Lin, Jessie E. P. Sun, William Grissom, Mark A. Griswold   +7 more
wiley   +1 more source

Hybrid Modification Strategies of Metal–Organic Frameworks: A Review on Structural Design and Environmental Applications

ChemistryOpen, Volume 15, Issue 5, May 2026.
This review examines how hybrid modification strategies enhance the structural design and environmental performance of metal–organic frameworks (MOFs). It outlines key synthesis routes, functionalization approaches, and integration with complementary materials, highlighting advances in pollutant removal, sensing, and sustainable remediation.
Samar H. Elagamy, Adel M. Michael, Reem H. Obaydo, Hayam M. Lotfy   +3 more
wiley   +1 more source

Influence of AlxGa1−xN barrier layer thickness and p-GaN gate characteristics on the threshold voltage of p-GaN/AlGaN/GaN high electron mobility transistors

AIP Advances
In this research work, the pivotal role of threshold voltage (Vth) in the performance optimization of enhancement-mode (E-mode) AlGaN/GaN-based high-electron-mobility transistors (HEMTs) is explored.
Bang-zhi Xiao, Yin-shui He, Wen-bo Xiao
doaj   +1 more source

Why Autonomous Vehicles Are Not Ready Yet: A Multi‐Disciplinary Review of Problems, Attempted Solutions, and Future Directions

Journal of Field Robotics, Volume 43, Issue 3, Page 2254-2341, May 2026.
ABSTRACT Personal autonomous vehicles can sense their surrounding environment, plan their route, and drive with little or no involvement of human drivers. Despite the latest technological advancements and the hopeful announcements made by leading entrepreneurs, to date no personal vehicle is approved for road circulation in a “fully” or “semi ...
Xingshuai Dong, Massimiliano Cappuccio, Fady Alnajjar, Luqman Ali, Hamad Al Jassmi, Essam Debie, Milad Ghasrikhouzani, Alessandro Lanteri, Tate McGregor, Oleksandra Molloy, Alice Plebe, Michael Regan, Eduardo Sandoval, Dongmo Zhang   +13 more
wiley   +1 more source

Perp Deficiency Induces Defective Negative Selection and Autoimmune Arthritis in Aged Mice

Aging Cell, Volume 25, Issue 5, May 2026.
Perp deficiency promotes age‐related autoimmunity. ABSTRACT Thymic negative selection is characterized by the apoptosis of autoreactive thymocytes and plays a critical role in maintaining self‐tolerance. Numerous apoptosis‐related genes influence cell fate during T‐cell development.
Yan Zhou, Junrong Li, Xiao Leng, Jiao Shi, Gan Zhang, Shan Chen, Dong Liu, Qian Deng, Yan He, Guixiu Shi, Ying Xu, Yuan Liu, Yantang Wang   +12 more
wiley   +1 more source

Patterns and Clinical Efficacy of Biologics Switching in Patients With Severe Asthma: A Systematic Review and Meta‐Analysis

Allergy, Volume 81, Issue 5, Page 1548-1570, May 2026.
This meta‐analysis included 2292 patients with severe asthma who underwent biologic switching across 23 countries/regions. The most prevalent switching pattern was from mepolizumab to benralizumab, with suboptimal asthma control being the primary reason.
Yang Zheng, Ya‐chun Li, Sheng‐jie Li, Meng Xu, Jia‐qian Hu, Wen‐qu Tian, Shi‐wei Chen, Xue‐hui Li, Ying He, Gan Lu, Mübeccel Akdis, Ioana Agache, Cezmi A. Akdis, Ya‐dong Gao   +13 more
wiley   +1 more source

Physics-based SS and SSLS variability assessment of microwave devices through efficient sensitivity analysis [PDF]

, 2012
Bertazzi, Francesco, Bonani, Fabrizio, Donati Guerrieri, Simona, Ghione, Giovanni   +3 more
core   +1 more source

Short‐Term Forecasting of Cloud Physical Properties Based on Fourier Neural Operator Method

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Accurately understanding the evolution and development of cloud physical properties (CPP) in advance is crucial for extreme weather forecasting and early warning. This study utilized the Fourier neural operator (FNO) method to develop a short‐term forecasting model of Cloud (Cloud‐FNO).
Feng Zhang, Xin Hong, Zhijun Zhao, Zeyu Gan, Pengxiang Ouyang, Haixia Xiao, Renhe Zhang, Xujun Wei, Miao Cai, Feng Lu   +9 more
wiley   +1 more source

On the Substrate Thermal Optimization in SiC-Based Backside-Mounted High-Power GaN FETs [PDF]

, 2007
Angelini, A., Bonani, Fabrizio, Cappelluti, Federica, Furno, M., Ghione, Giovanni, Pirola, Marco   +5 more
core   +1 more source

Unveiling the Potential of Reduced Graphene Oxide in Self‐Powered Photodetectors

ChemPhysChem, Volume 27, Issue 7, 14 April 2026.
Self‐powered photodetectors have emerged as advanced devices, gathering significant attention in the field of optoelectronics, particularly for their potential in power‐scarce environments. These devices can detect light and generate an electrical current with minimal or no external power supply.
Bitap Raj Thakuria, Indranee Hazarika, Bedanta Gogoi, Amreen Ara Hussain   +3 more
wiley   +1 more source