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Manipulating the interfacial integration mode of a bio-templated porous ZSM-5 platform with an Au/CuZnO catalyst for enhanced efficiency and recycling stability in glycerol conversion to 1,3-dihydroxyacetone.
Nanoscale
January 2025
School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan 750021, PR China.
Despite the potential to significantly enhance the economic viability of biomass-based platforms through the selective conversion of glycerol to 1,3-dihydroxyacetone (DHA), a formidable challenge persists in simultaneously achieving high catalytic activity and stability along this reaction pathway. Herein, we have devised a strategic approach to manipulate the interfacial integration within composite catalysts to address the performance trade-off. Through the modulation of the composite process involving a bio-templated porous ZSM-5 zeolite platform (bZ) and an Au/CuZnO catalyst, three distinct interfacial bonding modes were achieved: physical milling, encapsulation by zeolite, and growth on zeolite.
View Article and Find Full Text PDFMultifunctional Graphdiyne Enables Efficient Perovskite Solar Cells via Anti-Solvent Additive Engineering.
Nanomicro Lett
January 2025
CAS Key Laboratory of Organic Solids, Institute of Chemistry, Beijing National Laboratory for Molecular Sciences, Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
Finding ways to produce dense and smooth perovskite films with negligible defects is vital for achieving high-efficiency perovskite solar cells (PSCs). Herein, we aim to enhance the quality of the perovskite films through the utilization of a multifunctional additive in the perovskite anti-solvent, a strategy referred to as anti-solvent additive engineering. Specifically, we introduce ortho-substituted-4'-(4,4″-di-tert-butyl-1,1':3',1″-terphenyl)-graphdiyne (o-TB-GDY) as an AAE additive, characterized by its sp/sp-cohybridized and highly π-conjugated structure, into the anti-solvent.
View Article and Find Full Text PDFMR imaging of proton beam-induced oxygen depletion.
Med Phys
January 2025
OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany.
Background: Previous studies have shown that in-beam magnetic resonance imaging (MRI) can be used to visualize a proton beam during the irradiation of liquid-filled phantoms. The beam energy- and current-dependent local image contrast observed in water was identified to be predominantly caused by beam-induced buoyant convection and associated flow effects. Besides this flow dependency, the MR signal change was found to be characterized by a change in the relaxation time of water, hinting at a radiochemical contribution, which was hypothesized to lie in oxygen depletion-evoked relaxation time lengthening.
View Article and Find Full Text PDFMolecular docking and differential rbcl gene expression reveal variation in glyphosate herbicide tolerance of sugarcane varieties.
Mol Biol Rep
January 2025
Agricultural Research Center(ARC), Sugar Crops Research Institute(SCRI), Giza, Egypt.
Background: Glyphosate is an extensively employed herbicide in agriculture, specifically for sugarcane cultivation. The situation is different with the extensive physiological and genetic effects exerted by this herbicide on a range of plant species, including sugarcane, whose model basis is still poorly characterized, although its primary mode of action, which acts on the EPSPS enzyme in the shikimic acid pathway, is completely elucidated. The current study was aimed at investigating the stability of glyphosate formulation, molecular interactions of glyphosate formulation with rbcL enzyme associated with chlorophyll metabolism, and its effects on varieties of sugarcane.
View Article and Find Full Text PDFP-P Coupling and Terminal Metal-Phosphorus Intermediates.
J Am Chem Soc
January 2025
Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States.
Terminal metal-phosphorus (M-P) complexes are of significant contemporary interest as potential platforms for P-atom transfer (PAT) chemistry. Decarbonylation of metal-phosphaethynolate (M-PCO) complexes has emerged as a general synthetic approach to terminal M-P complexes. M-P complexes that are stabilized by strong M-P multiple bonds are kinetically persistent and isolable.
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