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Ba/Ti MOF: A Versatile Heterogeneous Photoredox Catalyst for Visible-Light Metallaphotocatalysis.
Adv Mater
December 2024
KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia.
The field of sustainable heterogeneous catalysis is evolving rapidly, with a strong emphasis on developing catalysts that enhance efficiency. Among various heterogeneous photocatalysts, metal-organic frameworks (MOFs) have gained significant attention for their exceptional performance in photocatalytic reactions. In this context, contrary to the conventional homogeneous iridium or ruthenium-based photocatalysts, which face significant challenges in terms of availability, cost, scalability, and recyclability, a new Ba/Ti MOF (ACM-4) is developed as a heterogeneous catalyst that can mimic/outperform the conventional photocatalysts, offering a more sustainable solution for efficient chemical processes.
View Article and Find Full Text PDFCatalytic Activity of Cellulose-Supported Platinum and Palladium Nanoparticles for Allylbenzene Hydrogenation.
Chemistry
November 2024
Department of Chemistry, Technische Universität Berlin, TC8, Straße des 17. Juni 124, 10623, Berlin, Germany.
Platinum and palladium nanoparticles were successfully deposited on tunicate cellulose via the photodeposition or microemulsion deposition method. Evenly distributed, small and narrow-sized particles in the range of 2-3 nm were obtained for microemulsion-prepared cellulose catalysts. The photodeposition method led to larger particle sizes, broader size distribution, and occasional agglomerations.
View Article and Find Full Text PDFRecycling PCBs for nanoparticles production with potential applications in cosmetics, cement manufacturing, and CO capture.
Waste Manag
January 2025
Cerena - Polo FEUP - Centre for Natural Resources and the Environment, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
Electronic waste (e-waste) is a global problem, and many countries have established laws and regulations to promote its proper disposal and recycling. E-waste contains a significant content of printed circuit boards (PCBs), composed of metals and other valuable metals that may become scarce in Earth's crust - Copper (Cu), nickel (Ni), gold (Au), silver (Ag), palladium (Pd), and others. The main objective of this review is to explore the potential for producing nanoparticles (NPs) from the metals extracted through PCB recycling, with applications in the cosmetics, cement manufacturing, and carbon dioxide (CO) capture industries.
View Article and Find Full Text PDFNovel pyrrolone-fused benzosuberene MK2 inhibitors: synthesis, pharmacophore modelling, molecular docking, and anti-cancer efficacy evaluation in HNSCC cells.
J Biomol Struct Dyn
November 2024
Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
Head and neck Squamous Cell Carcinoma (HNSCC) is a growing concern worldwide and MAPKAPK2/MK2 (Mitogen-Activated Protein Kinase Activated Protein Kinase 2) is crucially involved in HNSCC progression. Increased disease burden and lacuna of targeted therapies require novel and safe pharmacological inhibitors to suppress the well-explored molecular targets in HNSCC. Here, we used dibromo-substituted benzosuberene synthesized from the mixture of α, β, γ-himachalenes and utilized as a precursor for the synthesis of Pyrrolone-fused benzosuberenes (PfBS) as MK2 inhibitors through aminocarbonylation approach in a single-pot reaction.
View Article and Find Full Text PDFRecycling Sulfur-Poisoned Pd Catalysts via Thermal Atomization for Semi-Hydrogenation of Acetylene.
J Am Chem Soc
November 2024
Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
Palladium catalysts are highly efficient for a variety of chemical industrial processes but are prone to being affected by poisons during practical application. Sulfur is one of the major poisons in Pd-based catalysts. The recycling of deeply poisoned Pd species like Pd sulfides is challenging due to the strong Pd-S bond.
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