Results 81 to 90 of about 120,719 (272)

Pressure‐Induced Structural and Magnetic Evolution in Layered Antiferromagnet YbMn2Sb2

open access: yesAdvanced Electronic Materials, EarlyView.
Pressure tunes the delicate balance between structure, magnetism, and electronic states in quantum materials. In YbMn2Sb2, high‐pressure X‐ray and neutron diffraction reveal a trigonal‐to‐monoclinic transition near 3.5 GPa, accompanied by unconventional magnetic ordering.
Mingyu Xu   +9 more
wiley   +1 more source

Simulations of Ion Acceleration at Non-relativistic Shocks. I. Acceleration Efficiency

open access: yes, 2014
We use 2D and 3D hybrid (kinetic ions - fluid electrons) simulations to investigate particle acceleration and magnetic field amplification at non-relativistic astrophysical shocks.
Caprioli, Damiano, Spitkovsky, Anatoly
core   +1 more source

Mixed‐Phase TiO2 Nanotubes Enhance Ru Nanoparticle Activity for Hydrogen Evolution in pH‐Neutral Electrolytes

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Efficient water electrolysis in NaBr electrolyte is achieved using TiO2 nanotube supports decorated with Ru nanoparticles. A cooperative “job‐sharing” effect between the TiO2 proton‐storage support that provides protons to the Ru catalyst enhances hydrogen evolution, minimizes Ru demand and polarization losses, and delivers stable performance ...
Matan Sananis   +3 more
wiley   +1 more source

News media lobbying and the EU’s Digital Services Act: Strategies and experiences from the small non-EU state of Norway

open access: yesNordicom Review
The formation of the Digital Services Act (DSA) in the European Union (EU), aiming to regulate platform power, provided a unique policy window to secure media-specific interests vis-à-vis platforms. This study investigates how Norwegian news media actors
Olsen Gunhild Ring   +3 more
doaj   +1 more source

Strategies for Paired Electrolysis with Enhanced Efficiency

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This review summarizes the fundamentals, challenges, and strategies for paired electrolysis, with examples in the chlor‐alkali, hydrogen production, CO2 reduction, and ammonia synthesis industries. Future directions include the development of advanced membranes, computational studies, process integration, scale‐up, and techno‐economic analysis.
Yuanyuan Yao   +6 more
wiley   +1 more source

“Cervical Spinal Arteriovenous Malformations: A Rare Spectrum of Vascular Lesions”: A Case Report and a Review of the Literature

open access: yesIndian Spine Journal
Spinal cord arteriovenous malformations (AVMs) can lead to varying degrees of neurological impairment and overall morbidity. The incidence of spinal AVMs is exceedingly rare, with purely extradural spinal AVMs being exceptionally uncommon.
Jiwesh Kumar   +3 more
doaj   +1 more source

Self-Adjointness of Dirac Operators with Infinite Mass Boundary Conditions in Sectors

open access: yes, 2018
This paper deals with the study of the two-dimensional Dirac operatorwith infinite mass boundary condition in a sector. We investigate the question ofself-adjointness depending on the aperture of the sector: when the sector is convexit is self-adjoint on
Ourmières-Bonafos, Thomas   +1 more
core   +3 more sources

A Soft‐Tip Hydraulically Steerable Catheter for Enhanced Flexibility and Safety in Vascular Interventions

open access: yesAdvanced Intelligent Systems, EarlyView.
This study introduces a hydraulically steerable catheter with a soft tip in vascular procedures. The steering soft tip achieves a minimal diameter of 2.6 mm and supports a 180° bend. Real‐time shape and position tracking, facilitated by segmentation and endpoint detection techniques, improves navigation.
Jingyi Kang   +9 more
wiley   +1 more source

CAQ Corner: Basic concepts of transplant immunology

open access: yes, 2022
Liver Transplantation, EarlyView.
Amanda Cheung, Josh Levitsky
wiley   +1 more source

Wirelessly Powered Soft Magnetic Robot with Microneedle for Electrical Stimulation and Drug Delivery

open access: yesAdvanced Intelligent Systems, EarlyView.
A wirelessly powered soft magnetic robot integrates microneedles to enable dual functions: electrical stimulation (86.7% efficiency at 6 cm, tunable 0–20 V voltage, 0.4–50 ms pulses) and drug delivery. It switches surfaces via magnetic fields for gastrointestinal tract locomotion and treatment, with in vitro validation in fresh pig gut showing ...
Song Zhao   +8 more
wiley   +1 more source

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