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Evidence of Dirac Quantum Spin Liquid in YbZn_{2}GaO_{5}.
Phys Rev Lett
December 2024
Duke University, Department of Physics, Durham, North Carolina 27708, USA.
The emergence of a quantum spin liquid (QSL), a state of matter that can result when electron spins are highly correlated but do not become ordered, has been the subject of a considerable body of research in condensed matter physics [1,2]. Spin liquid states have been proposed as hosts for high-temperature superconductivity [3] and can host topological properties with potential applications in quantum information science [4]. The excitations of most quantum spin liquids are not conventional spin waves but rather quasiparticles known as spinons, whose existence is well established experimentally only in one-dimensional systems; the unambiguous experimental realization of QSL behavior in higher dimensions remains challenging.
View Article and Find Full Text PDFDecoding nature: multi-target anti-inflammatory mechanisms of natural products in the TLR4/NF-κB pathway.
Front Pharmacol
January 2025
Key Laboratory of Pharmacognosy, College of Pharmacy, Guilin Medical University, Guilin, China.
Natural products are valuable medicinal resources in the field of anti-inflammation due to their significant bioactivity and low antibiotic resistance. Research has demonstrated that many natural products exert notable anti-inflammatory effects by modulating the Toll-like receptor 4 (TLR4) and nuclear factor kappa B (NF-κB) signaling pathways. The research on related signal transduction mechanisms and pharmacological mechanisms is increasingly being discovered and validated.
View Article and Find Full Text PDFFluorescent antennas (FAs) exhibit considerable promise in optical wireless communication (OWC), primarily due to their advantages over conventional optical systems in terms of optical gain and field of view (FoV). This paper presents a COMSOL-based model designed to optimize external light-concentrating structures for FAs, with its accuracy validated through both qualitative and quantitative comparisons. Leveraging refractive index modulation and the conservation of optical étendue, two distinct light-concentrating structures are developed.
View Article and Find Full Text PDFThoracoabdominal normothermic regional perfusion: Is it ethical?
Monash Bioeth Rev
January 2025
Faculty of Arts and Sciences, American University of Beirut, Riad El Solh, Beirut, 1107 2020, Lebanon.
Thoracoabdominal normothermic regional perfusion (TA-NRP), a new method of controlled donation after circulatory death, seems to provide more and better organs for patients on organ transplant waiting lists compared to standard controlled donation after circulatory death. Despite its benefits, the ethical permissibility of TA-NRP is currently a highly debated issue. The recent statement published by the American College of Physicians (ACP) highlights the reasons for these debates.
View Article and Find Full Text PDF"It's Allowing Space for Vulnerability": Exploring Athletes' Experiences With Trust in Interdependent Sport.
J Sport Exerc Psychol
January 2025
School of Kinesiology and Health Studies, Queen's University, Kingston, ON, Canada.
Despite trust being associated with a range of favorable outcomes across high-performing team contexts (e.g., enhanced satisfaction, performance), efforts to investigate the meaning of trust in sport remain limited.
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