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Therapeutic Potential of Carbon Dots Derived from Phytochemicals as Nanozymes Exhibiting Superoxide Dismutase Activity for Anemia.
ACS Appl Mater Interfaces
January 2025
State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
Anemia is a potentially life-threatening blood disorder caused by an insufficient erythroblast volume in the circulatory system. Self-renewal failure of erythroblast progenitors is one of the key pathological factors leading to erythroblast deficiency. However, there are currently no effective drugs that selectively target this process.
View Article and Find Full Text PDFSkin Hydration by Natural Moisturizing Factors, a Story of H-Bond Networking.
J Phys Chem B
January 2025
INSERM U1248 Pharmacology & Transplantation, Univ. Limoges, CBRS, 2 Rue du Prof. Descottes, F-87000 Limoges, France.
Dry skin is a common condition that is experienced by many. Besides being particularly present during the cold season, various diseases exist all year round, leading to localized xerosis. To prevent it, the skin is provided with natural moisturizing factors (NMFs).
View Article and Find Full Text PDFHow amino acids intercalate in CaFe layered double hydroxides: A combined RIXS and NEXAFS study.
Chemphyschem
January 2025
Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, PS-ISRR, GERMANY.
Two-dimensional layered double hydroxides (LDHs) are ideal candidates for a large number of (bio)catalytic applications due to their flexible composition and easy to tailor properties. Functionality can be achieved by intercalation of amino acids (as the basic units of peptides and proteins). To gain insight on the functionality, we apply resonant inelastic soft x-ray scattering and near edge x-ray absorption fine structure spectroscopy to CaFe LDH in its pristine form as well as intercalated with the amino acids proline and cysteine to probe the electronic structure and its changes upon intercalation.
View Article and Find Full Text PDFComparative Analysis of Polyethylene-Oxidizing Laccases: Redox Properties and Enzyme-Polyethylene Interaction Mechanism.
ChemSusChem
January 2025
University of Milano-Bicocca: Universita degli Studi di Milano-Bicocca, Department of Biotechnology and Biosciences, Piazza della Scienza 2, 20127, Milano, ITALY.
Laccases that oxidize low-density polyethylene (LDPE) represent a promising strategy for bioremediation purposes. To rationalize or optimize their PE-oxidative activity, two fundamental factors must be considered: the enzyme's redox potential and its binding affinity/mode towards LDPE. Indeed, a stable laccase-PE complex may facilitate a thermodynamically unfavorable electron transfer, even without redox mediators.
View Article and Find Full Text PDFInfluence of Graphene Oxide on Mechanical and Morphological Properties of Nafion Membranes.
Nanomaterials (Basel)
January 2025
Département de Génie Électrique, École de Technologie Supérieure, 1100 Notre-Dame Street West, Montreal, QC H3C 1K3, Canada.
This study explored the influence of graphene oxide (GO) on morphological and mechanical properties of Nafion 115 membranes with the objective of enhancing the mechanical properties of the most widely employed membrane in Proton Exchange Membrane Water Electrolyzers (PEMWE) applications. The membrane surface was modified by ultrasonically spraying a GO solution and different annealing temperatures were tested. Scanning Electron Microscopy (SEM) cross-sectional images revealed that annealing the composite membranes was sufficient to favor an interaction between the graphene oxide and the surface of the Nafion membranes.
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