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Effect of repeated sprint training in hypoxia on acute and chronic redox balance modulation.
Free Radic Res
January 2025
Institute of Sport Sciences, University of Lausanne, Lausanne, Suisse.
Little is known regarding the effects high-intensity training performed in hypoxia on the oxidative stress and antioxidant systems. The aim of this study was to assess the potential effect of 4 weeks of repeated sprint training in hypoxia (RSH) on the redox balance. Forty male well-trained cyclists were matched into two different interventions (RSH, = 20) or in normoxia, RSN, = 20) and tested twice (before (Pre-) and after (Post-) a 4-week of training) for performance (repeated sprint ability (RSA) test), oxidative stress, and antioxidant status.
View Article and Find Full Text PDFDual Targeting Biomimetic Carrier-Free Nanosystems for Photo-Chemotherapy of Rheumatoid Arthritis via Macrophage Apoptosis and Re-Polarization.
Adv Sci (Weinh)
January 2025
Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, 266071, China.
Rheumatoid arthritis (RA) is a common chronic systemic autoimmune disease that often results in irreversible joint erosion and disability. Methotrexate (MTX) is the first-line drug against RA, but the significant side effects of long-term administration limit its use. Therefore, new therapeutic strategies are needed for treating RA.
View Article and Find Full Text PDFNitrogen-doped graphene supported single-atom catalysts for efficient electrocatalytic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid: a density functional theory study.
Phys Chem Chem Phys
January 2025
School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China.
Electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) is a promising alternative for oxygen evolution reactions. The search for efficient catalysts has been attracting increasing scientific attention. This work explores the performance of nitrogen-doped graphene-supported single-atom catalysts (M-NC SACs) for the reaction.
View Article and Find Full Text PDFPreparation, structural property, and antioxidant activities of a novel pectin polysaccharide from the flowers of Linn.
Front Nutr
January 2025
Prefabricated Dish Industry Development Research Institute, Zhejiang Dong Fang Polytechnic, Wenzhou, China.
Introduction: Oxidative stress, triggered by an imbalance between reactive oxygen species (ROS) production and cellular antioxidant defense mechanisms, is implicated in various pathological conditions. Plant-derived polysaccharides have gained significant attention as potential natural antioxidants due to their biocompatibility, biodegradability, and structural versatility.
Methods: This study focuses on the purification, structural characterization, and antioxidant activities of a novel pectin polysaccharide (HFPS) isolated from the flowers of Linn.
Interfacial Properties of Gold and Cobalt Oxyhydroxide in Plasmon-Mediated Oxygen Evolution Reaction.
J Phys Chem C Nanomater Interfaces
January 2025
Department of Chemistry and Biochemistry, San Francisco State University, 1600 Holloway Ave., San Francisco, California 94132, United States.
Water electrolysis is a green method of storing electrical energy in the chemical bonds of high-energy hydrogen gas (H). However, the anodic oxygen evolution reaction (OER) requires a significant kinetic overpotential, limiting the electrolysis rate. Recently, plasmonic gold nanoparticles (Au NPs) have been introduced to improve charge transfer at the interface between the OER electrocatalysts and the electrolyte under light illumination.
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