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Detection of glyphosate, glufosinate, and their metabolites in multi-floral honey for food safety.
Food Addit Contam Part A Chem Anal Control Expo Risk Assess
January 2025
Department of Veterinary Medicine and Animal Science (DIVAS), University of Milan, Lodi, Italy.
Beehives can accumulate environmental contaminants as bees gather pollen, propolis, and water from their surroundings, contaminating hive products like honey. Moreover, in multifloral environments, bees can interact with plants treated with different pesticides, often causing higher pesticides concentrations in multi-floral honey than in mono-floral varieties. Glyphosate and glufosinate are both widely used herbicides.
View Article and Find Full Text PDFDirect View of Gate-Tunable Miniband Dispersion in Graphene Superlattices Near the Magic Twist Angle.
ACS Nano
January 2025
Department of Physics and Astronomy, Interdisciplinary Nanoscience Center, Aarhus University, Aarhus C 8000, Denmark.
Superlattices from twisted graphene mono- and bilayer systems give rise to on-demand many-body states such as Mott insulators and unconventional superconductors. These phenomena are ascribed to a combination of flat bands and strong Coulomb interactions. However, a comprehensive understanding is lacking because the low-energy band structure strongly changes when an electric field is applied to vary the electron filling.
View Article and Find Full Text PDFOligosaccharide-assisted resolution of holothurian fucosylated chondroitin sulfate for fine structure and P-selectin inhibition.
Carbohydr Polym
March 2025
School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China; School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China. Electronic address:
Fucosylated chondroitin sulfate (FCS) from Holothuria mexicana (FCS) was selected for investigation because of its intriguing branch features. Selective β-eliminative depolymerization and the bottom-up assembly were performed to unravel that FCS consisted of a {D-GlcA-β1,3-D-GalNAc} backbone and branches of alternating Fuc (55 %) and D-GalNAc-α1,2-L-Fuc (45 %), the highest proportion of disaccharide branch reported to date. In branches, sulfation could occur at every free -OH site except O-3 of GalNAc, being the most complex and various structure features of natural FCS.
View Article and Find Full Text PDFMolecular Adjustment to a Social Niche: Brain Transcriptomes Reveal Divergent Influence of Social Environment on the Two Queen Morphs of the Ant Temnothorax rugatulus.
Mol Ecol
January 2025
Institute of Organismic and Molecular Evolution, Johannes Gutenberg University, Mainz, Germany.
Social insects form complex societies with division of labour between different female castes. In most species, a single queen heads the colony; in others, several queens share the task of reproduction. These different social organisations are often associated with distinct queen morphologies and life-history strategies and occur in different environments.
View Article and Find Full Text PDFFacultatively Anaerobic Staphylococci Enable Anaerobic Species to Grow and Form Biofilms Under Aerobic Conditions.
Microorganisms
December 2024
Laboratory for Skin Research, Institute for Medical Research, Galilee Medical Center, Nahariya 2210001, Israel.
Facultatively anaerobic spp. and anaerobic spp. are among the most prominent bacteria on human skin.
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