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Highlighting Free-Recovery and Work-Generating Shape Memory Effects at 80r-PET Thermoformed Cups.
Polymers (Basel)
December 2024
Faculty of Materials Science and Engineering, "Gheorghe Asachi" Technical University of Iași, Blvd. Dimitrie Mangeron 71A, 700050 Iasi, Romania.
The paper starts by describing the manufacturing process of cups thermoformed from extruded foils of 80% recycled PET (80r-PET), which comprises heating, hot deep drawing and cooling. The 80r-PET foils were heated up to 120 °C, at heating rates of the order of hundreds °C/min, and deep drawn with multiple punchers, having a depth-to-width ratio exceeding 1:1. After puncher-assisted deformation, the cups were air blown away from the punchers, thus being "frozen" in the deformed state.
View Article and Find Full Text PDFHarnessing Halogenated Zeolitic Imidazolate Frameworks for Alcohol Vapor Adsorption.
Molecules
December 2024
Institut Européen des Membranes (IEM), CNRS, ENSCM, Univ Montpellier, Place Eugène Bataillon, 34095 Montpellier, France.
This study explores Zeolitic Imidazolate Frameworks (ZIFs) as promising materials for adsorbing alcohol vapors, one of the main contributors to air quality deterioration and adverse health effects. Indeed, this sub-class of Metal-Organic Frameworks (MOFs) offers a promising alternative to conventional adsorbents like zeolites and activated carbons for air purification. Specifically, this investigation focuses on ZIF-8_Br, a brominated version of ZIF-8_CH, to evaluate its ability to capture aliphatic alcohols at lower partial pressures.
View Article and Find Full Text PDFAdvanced Characterization of Solid-State Battery Materials Using Neutron Scattering Techniques.
Materials (Basel)
December 2024
Neutron Sciences Directorate, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN 37831, USA.
Advanced batteries require advanced characterization techniques, and neutron scattering is one of the most powerful experimental methods available for studying next-generation battery materials. Neutron scattering offers a non-destructive method to probe the complex structural and chemical processes occurring in batteries during operation in truly in situ/in operando measurements with a high sensitivity to battery-relevant elements such as lithium. Neutrons have energies comparable to the energies of excitations in materials and wavelengths comparable to atomic distances in the solid state, thus giving access to study structural and dynamical properties of materials on an atomic scale.
View Article and Find Full Text PDFThe Two-Spin Enigma: From the Helium Atom to Quantum Ontology.
Entropy (Basel)
November 2024
EPITA Research Laboratory, 14-16 Rue Voltaire, 94270 Le Kremlin-Bicêtre, France.
The purpose of this article is to provide a novel approach and justification of the idea that classical physics and quantum physics can neither function nor even be conceived without the other-in line with ideas attributed to, e.g., Niels Bohr or Lev Landau.
View Article and Find Full Text PDFAntibodies Against Anti-Oxidant Enzymes in Autoimmune Glomerulonephritis and in Antibody-Mediated Graft Rejection.
Antioxidants (Basel)
December 2024
Unit of Nephrology, Dialysis and Transplantation and Laboratory of Molecular Nephrology, Core Facilities-Proteomics Laboratory, 16147 Genoa, Italy.
Historically, oxidants have been considered mechanisms of glomerulonephritis, but a direct cause-effect correlation has never been demonstrated. Several findings in the experimental model of autoimmune conditions with renal manifestations point to the up-regulation of an oxidant/anti-oxidant system after the initial deposition of autoantibodies in glomeruli. Traces of oxidants in glomeruli cannot be directly measured for their rapid metabolism, while indirect proof of their implications is derived from the observation that Superoxide Oxidase 2 (SOD2) is generated by podocytes after autoimmune stress.
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