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Magnetic Field-Driven NiCo-3DOMC Modified Separators for Effective Lithium Polysulfide Mitigation and Catalysis.
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December 2024
College of Material Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, P. R. China.
Lithium-sulfur batteries (LSBs) face challenges from the shuttle effect of lithium polysulfides (LiPSs) and slow redox kinetics. In this study, a NiCo-Doped 3D Ordered Mesoporous Carbon (NiCo-3DOMC) composite material is synthesized using a gel-crystalline template and sol-gel method to modify polypropylene separators in LSBs. Density Functional Theory calculations and experiment results demonstrate that under a magnetic field, the NiCo-3DOMC enhances adsorption and catalyzes the conversion of LiPSs, effectively mitigating the shuttle effect and boosting redox kinetics.
View Article and Find Full Text PDFSpinal arachnoid diverticula in cats: Clinical presentation, diagnostic imaging findings, treatment, and outcome.
J Vet Intern Med
December 2024
Department of Clinical Science and Services, Royal Veterinary College, University of London, London, UK.
Background: Spinal arachnoid diverticulum (SAD) is considered a rare disease in cats. Previous reports mainly classified SAD in cats as acquired.
Hypothesis/objectives: The aim of this study was to describe the signalment, clinical presentation, diagnostic imaging findings, and outcome in a group of cats with SAD.
Evidence that transverse variability of critical current density can greatly mitigate screening current stress in high field REBCO magnets.
Sci Rep
December 2024
National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, 32310, USA.
Plastic damage of REBCO (REBaCuO, where RE=rare earth) coated conductors by screening current stress (SCS) is a significant concern for ultra-high-field superconducting magnets. Indeed, the third Little Big Coil (LBC3), a REBCO magnet that generated a record, high field of 45.5 T, showed wavy plastic damage produced by excess SCS in all pancakes except two made with single-slit conductors having their slit edges pointing inward towards the magnet center.
View Article and Find Full Text PDFVolume and distribution of white matter hyperintensities in rheumatoid arthritis and ulcerative colitis patients.
Sci Rep
December 2024
Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
Brain white matter disruptions have been implicated in contributing to fatigue, brain fog and other central symptoms commonly reported in inflammatory diseases. In this study, we included 252 RA patients with 756 age and sex matched controls and 240 UC patients with 720 age and sex matched controls using the UK Biobank imaging dataset. We looked for differences in total volume of white matter hyperintensities (WMH) between patients compared to controls.
View Article and Find Full Text PDFAutomatic detection and multi-component segmentation of brain metastases in longitudinal MRI.
Sci Rep
December 2024
Institute of Informatics, HES-SO Valais-Wallis University of Applied Sciences and Arts Western Switzerland, Sierre, Switzerland.
Manual segmentation of lesions, required for radiotherapy planning and follow-up, is time-consuming and error-prone. Automatic detection and segmentation can assist radiologists in these tasks. This work explores the automated detection and segmentation of brain metastases (BMs) in longitudinal MRIs.
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