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Mechanistic Insights into the Eco-Friendly Conifer Cone Extract's Corrosion Inhibition on Steel Rebar and Cement Mortar: An Experimental and Simulation Approach.
Langmuir
January 2025
Department of Robotics Engineering, Hanyang University, 55 Hanyangdaehak-ro, Ansan, Gyeonggi-do 15588, Republic of Korea.
This study investigates the corrosion inhibition effects of eco-friendly conifer cone extract (CCE) on steel rebars embedded in cement mortar exposed to 3.5% NaCl under alternate wet/dry cycles. CCE concentrations of 0, 0.
View Article and Find Full Text PDFA study on the compressive strength of three-dimensional direct printing aligner material for specific designing of clear aligners.
Sci Rep
January 2025
Department of Orthodontics, Institute of Oral Health Science, Ajou University School of Medicine, Suwon, South Korea.
Background: The demand for orthodontic treatment using clear aligners has been gradually increasing because of their superior esthetics compared with conventional fixed orthodontic therapy. This study aimed to evaluate and compare the compressive strength of three-dimensional direct printing aligners (3DPA) with that of conventional thermo-forming aligners (TFA) to determine their clinical applicability. In the experimental group, the 3DPA material TC-85 (TC-85 full) was used to create angular protrusions called rectangular pressure areas (RPA).
View Article and Find Full Text PDFA lubcan cross-linked polyethylene glycol dimethyl ether hydrogel for hyaluronic acid replacement as soft tissue engineering fillers.
Int J Biol Macromol
January 2025
Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China; Key Laboratory of Metabolic Engineering and Biosynthesis Technology, Ministry of Industry and Information Technology, 210094, China. Electronic address:
The structure of soft tissues is often destroyed by injury and aging. Injectable fillers eliminate the need for surgery and enhance repair. Hyaluronic acid-based hydrogels are commonly employed for their effectiveness and biocompatibility.
View Article and Find Full Text PDFModified chevron osteotomy for the treatment of hallux valgus with unison bioabsorbable screws: Biomechanical research and clinical applications.
J Biomech
January 2025
School of Mechanical and Aerospace Engineering, Jilin University, Changchun 130025 PR China.
Researchers have modified PLA materials to enhance their mechanical properties and meet the clinical requirements. However, the strength and stiffness of PLA are still significantly lower than those of metals. Building on the established chevron clinical procedure and considering the mechanical characteristics of PLA screws, we devised a modified chevron osteotomy (MCO) based on a load-reducing structure with the aim of reducing the load on the screws.
View Article and Find Full Text PDFThe Aim Of The Study: Was to elaborate and assess biocompatible compositions based on oligocarbonate methacrylate filled with hydroxyapatite.
Materials And Methods: The manufacturing methods of the compositions are considered, and their polymerization ability, strength and elastic properties are evaluated.
Results: The highest values of hardness and elasticity were found in the composition containing 0.
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