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Microscale Spatiotemporal Variation of Reactive Oxygen Species in the Charosphere: Underlying Formation Mechanism and Their Role in CO Emission.
Environ Sci Technol
January 2025
College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China.
Charosphere, a highly active zone between biochar and surrounding soil, is widely present in agricultural and wildfire-affected soils, yet whether reactive oxygen species (ROS) are produced within the charosphere remains unclear. Herein, the production and spatiotemporal evolution of charosphere ROS were explored. In situ ROS capture visualized a gradual decrease in ROS production with increasing distance from the biochar/soil interface.
View Article and Find Full Text PDFStructural insights into actin filament turnover.
Trends Cell Biol
January 2025
Department of Structural Biochemistry, Max Planck Institute of Molecular Physiology, 44227 Dortmund, Germany. Electronic address:
The dynamic turnover of actin filaments drives the morphogenesis and migration of all eukaryotic cells. This review summarizes recent insights into the molecular mechanisms of actin polymerization and disassembly obtained through high-resolution structures of actin filament assemblies. We first describe how, upon polymerization, actin subunits age within the filament through changes in their associated adenine nucleotide.
View Article and Find Full Text PDFFor selected endourological interventions, local anesthesia provides an alternative to general anesthesia and can avoid complications and reduce turnover times and health care costs. Virtual reality (VR) has emerged as a promising nonpharmacological adjunct with potential to improve local anesthesia tolerability. This mini-review examines the role of VR during urological procedures under local anesthesia.
View Article and Find Full Text PDFModulating the Coordination Environment of Atomically Dispersed Nickel for Efficient Electrocatalytic CO Reduction at Low Overpotentials and Industrial Current Densities.
ACS Nano
January 2025
College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, P. R. China.
Electrocatalytic CO-to-CO conversion with a high CO Faradaic efficiency (FE) at low overpotentials and industrial-level current densities is highly desirable but a huge challenge over non-noble metal catalysts. Herein, graphitic N-rich porous carbons supporting atomically dispersed nickel (NiN-O sites with an axial oxygen) were synthesized (denoted as O-Ni-N-GC) and applied as the cathode catalyst in a CORR flow cell. O-Ni-N-GC showed excellent selectivity with a FE over 92% at low overpotentials ranging from 17 to 60 mV, and over 99% at 80 mV.
View Article and Find Full Text PDFComprehensive analysis of gene expressions in ileal mucosa of chickens fed paddy rice and their IgA response to oral vaccination.
Poult Sci
January 2025
Laboratory of Animal Nutrition, Department of Animal Science, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan. Electronic address:
Paddy rice ingestion increases intestinal mucin secretion and production by enhancing MUC2 gene expression and epithelial turnover. In this study, we performed a comprehensive analysis of intestinal gene expression in chickens fed paddy rice and investigated whether the intestinal IgA response was modified by paddy rice ingestion. Furthermore, we investigated the possible involvement of gut fermentation.
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