Having briefly analyzed the role of silicon specially in the metabolism of connective and bone tissue, the author describes conditions induced by silicon deficit and poisoning due to this metal. The most recent findings concerning the role of silicon in delaying the onset and reducing the extension of atherosclerotic processes are also illustrated.
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J Appl Biomater Funct Mater
January 2025
Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand.
Hydroxyapatite, renowned for its biocompatibility and osteoconductive properties, plays a fundamental role in bone regeneration owing to its resemblance to natural bone mineral, thus offering considerable potential for advancing tissue engineering strategies. In this article, the innovative integration of silicon ions into biogenic (bovine-derived) hydroxyapatite (SiBHA) via a tailored sol-gel process is reported. The resultant SiBHA scaffolds exhibited an interconnected microporous structure with a total porosity of 70% and pore dimensions ranging from 120 to 650 µm.
View Article and Find Full Text PDFChem Asian J
January 2025
Kyoto Institute of Technology: Kyoto Kogei Sen'i Daigaku, Faculty of Molecular Chemistry and Engineering, Goshokaido-cho, Matsugasaki, Sakyo-ku, 606-0962, Kyoto, JAPAN.
Heteroarene-fused heteroles have attracted considerable attention owing to their unique electronic and photophysical properties. The bridging element plays a crucial role in determining the electronic characteristics of the resulting π-conjugated molecules. In this study, we synthesized a series of heteroarene-fused benzo[b]arsoles and investigated their structures and photophysical properties.
View Article and Find Full Text PDFNanophotonics
January 2025
Instituto de Micro y Nanotecnología IMN-CNM, CSIC, CEI UAM+CSIC, Tres Cantos, Spain.
Acoustoplasmonic resonators, such as nanobars and crosses, are efficient acousto-optical transducers. The excitation of mechanical modes in these structures strongly depends on the spatial profile of the eigenmodes of the resonator. Using a system of two identical gold elongated bars placed on a silicon dioxide substrate, we examine how breaking mirror symmetries affects the optical and acoustic properties to provide insights in the design of acoustoplasmonic metasurfaces for nonsymmetric acousto-optical transducers.
View Article and Find Full Text PDFNanoscale Horiz
January 2025
Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011, USA.
We report a synthetic protocol that yields hydrogen-terminated 2D silicon nanosheets with greatly reduced siloxane (, Si-O-Si, OSi) content. These nanosheets displayed weak, broad photoluminescence centered near 610 nm with a low absolute photoluminescence quantum yield (as low as 0.2%).
View Article and Find Full Text PDFJ Hazard Mater
January 2025
College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China. Electronic address:
Biochar (BC) possesses diverse active sites (e.g., oxygen-containing groups OCGs, defects, and electronegative heteroatom) responsible for the catalytic reactions.
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