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Procedural sedative effect of remimazolam in ICU patients on invasive mechanical ventilation: a randomised, prospective study.
Ann Intensive Care
January 2025
Department of Intensive Care Unit, Yanbian University Hospital, No. 1327, Juzi Street, Xinxing Street, Yanji, 136200, Jilin, China.
Background: Invasive procedures and environmental factors in the intensive care unit (ICU) may cause anxiety and discomfort in patients, who often require sedation therapy. The aim of this study was to assess the safety of remimazolam tosilate for procedural sedation in ICU patients receiving mechanical ventilation following endotracheal intubation. Eighty patients from a single centre were randomly assigned to either the propofol group or the remimazolam group.
View Article and Find Full Text PDFThe influence of pectins and cellulose in the mechanical and adhesive properties of seed mucilage.
J Exp Bot
January 2025
Department of Functional Morphology and Biomechanics, Zoological Institute, Kiel University, Am Botanischen Garten 1-9, 24118 Kiel, Germany.
Several plant seeds release a mucilaginous envelope through hydration, rich in pectins and stabilized by cellulose fibers. This mucilage aids in seed protection, development, and adhesion for dispersal. This study aimed to separate the effects of pectins and cellulose fibers by using pectinase to remove mucilage pectins, leaving cellulose arrays, and performing wet and dry pull-off force measurements on seeds of three plant species: Salvia hispanica (Chia), Collomia grandiflora (Collomia) and Linum usitatissimum (Flax).
View Article and Find Full Text PDFEffect of modified investment and casting system on the recasting properties of high-gold alloy.
J Dent Sci
December 2024
School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
Background/purpose: High gold (Au) alloys have many advantages, such as good mechanical properties and stable chemical properties for dental restoration. The purpose of this investigation was to investigate the effect of zirconia (ZrO)-magnesia (MgO)-based investment combined with an argon arc vacuum pressure (Ar-arc VP) casting process on the recasting of high Au alloys.
Materials And Methods: The recasting Au alloys were compared between the control group of conventional SiO-based investment/horizontal centrifugal (HC) casting and the experimental group of ZrO-MgO-based investment/Ar-arc VP die casting.
A complementary experimental and computational study on methanol adsorption isotherms of H-ZSM-5.
Phys Chem Chem Phys
January 2025
UK Catalysis Hub, Research Complex at Harwell, Science and Technology Facilities Council, Rutherford Appleton Laboratory, OX11 0FA, UK.
Methanol adsorption isotherms of fresh f-ZSM-5 and steamed s-ZSM-5 (Si/Al ≈ 40) are investigated experimentally at room temperature under equilibrium and by grand canonical Monte Carlo (GCMC) simulations with the aim of understanding the adsorption capacity, geometry and sites as a function of steam treatment (at 573 K for 24 h). Methanol adsorption energies calculated by GCMC are complemented by density functional theory (DFT) employing both periodic and quantum mechanics/molecular mechanics (QM/MM) techniques. Physical and textural properties of f-ZSM-5 and s-ZSM-5 are characterised by diffuse reflectance infrared Fourier transformed spectroscopy (DRIFTS) and N-physisorption, which form a basis to construct models for f-ZSM-5 and s-ZSM-5 to simulate methanol adsorption isotherms by GCMC.
View Article and Find Full Text PDFLaser induced oxidation Raman spectroscopy as an analysis tool for iridium-based oxygen evolution catalysts.
Phys Chem Chem Phys
January 2025
Forschungszentrum Jülich, Institute of Energy Technologies - Fundamental Electrochemistry (IET-1), Jülich, Germany.
The study of degradation behavior of electrocatalysts in an industrial context calls for rapid and efficient analysis methods. Optical methods like Raman spectroscopy fulfil these requirements and are thus predestined for this purpose. However, the iridium utilized in proton exchange membrane electrolysis (PEMEL) is Raman inactive in its metallic state.
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