Showing 221 - 240 results of 357 for search '"catalysis"', query time: 0.04s Refine Results
  1. 221

    Electrolyte and electrolyte-additives for improved plasma electrolytic oxidation on magnesium alloys by Viswanathan S. Saji

    Published 2025-03-01
    “…The functional oxide layers fabricated via PEO have diverse potential applications, including automobile, aerospace, machinery, biomedical, thermal protection, catalysis, and energy materials. The type and nature of the electrolyte and electrolyte additives used in PEO play a decisive role in shaping the morphology, compactness, porosity, composition, thickness, wear/corrosion resistance, mechanical properties, and other functionalities of the resulting layer. …”
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  2. 222

    Computed Energetics of Nucleotides in Spatial Ribozyme Structures: An Accurate Identification of Functional Regions from Structure by Ivan Y. Torshin

    Published 2004-01-01
    “…Multiple structural and biochemical studies are required to establish which nucleotide bases are involved in the catalysis. The relative energetic properties of the nucleotide bases have been analyzed in a set of the known ribozyme structures. …”
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  3. 223
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    Synthesis and Reactions of Five-Membered Heterocycles Using Phase Transfer Catalyst (PTC) Techniques by Ahmed M. El-Sayed, Omyma A. Abd Allah, Ahmed M. M. El-Saghier, Shaaban K. Mohamed

    Published 2014-01-01
    “…On the basis of numerous reports it is evident that phase-transfer catalysis is the most efficient way for generation and reactions of many active intermediates. …”
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    Recent advances in organocatalytic atroposelective reactions by Henrich Szabados, Radovan Šebesta

    Published 2025-01-01
    “…Many axially chiral compounds are important as catalysts in asymmetric catalysis or have chiroptical properties. This review overviews recent progress in the synthesis of axially chiral compounds via asymmetric organocatalysis. …”
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  7. 227

    Functionalized Metal-Organic Framework Catalysts for Sustainable Biomass Valorization by Xiaofang Liu, Zhigang Liu, Rui Wang

    Published 2020-01-01
    “…Currently, pristine and functionalized metal-organic frameworks (MOFs) are introduced in heterogeneous catalysis for biomass upgrading owing to the specific texture properties including regular higher-order structure, high specific surface area, and the precisely tailored diversity. …”
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  8. 228
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    Polyethylene Glycol Mediated Kinetic Study of Nitro Decarboxylation of α,β-Unsaturated Acids by Blau’s Fe(III) Phen Complex by K. Ramesh, S. Shylaja, K. C. Rajanna, P. Giridhar Reddy, P. K. Saiprakash

    Published 2013-01-01
    “…Reaction rates are significantly influenced by the structural variation and concentration of PEG. Catalysis of PEG was explained on the lines of nonionic micelles such as TX-100 because of their structural resemblance and also due to a slight negative charge developed on polyoxyethylene and cationic form(s) of Fe(III) chelates in the intermediate stages.…”
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    Research Progress on Oxygen Reduction Catalyst Materials for Proton Exchange Membrane Fuel Cells by Cao Beiheng

    Published 2025-01-01
    “…Pt-based catalysts are the preferred materials for catalysis but are detrimental to the practical application of fuel cells due to their high cost and instability. …”
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  12. 232

    A microfluidic technique for the continuous synthesis of monodisperse silica supraparticles by Toshimitsu Kanai, Tomoyuki Fujisaki, Yuka Yokoyama

    Published 2025-02-01
    “…Supraparticles, which comprise assemblies of primary micro/nanoparticles, have attracted significant attention in various fields, including catalysis, biotechnology, energy production, and photonics. …”
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  13. 233

    Gamma irradiation effect on properties of modified graphene doped PVA nanocomposite films by Thaises Lima, Filipe Diniz, Elmo Araújo, Patrícia Araújo

    Published 2025-01-01
    “…PVA/H-RGO nanocomposite films are promising in a wide range of potential applications, such as bio and chemical sensors, catalysis, and active layers for optoelectronic devices.…”
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  14. 234

    SYNTHESIS OF THE ZSM-5 ZEOLITE WITH MIXTURES BINARY OF TETRAETHYLAMMONIUM HYDROXIDE AND AMINES AS ORGANIC STRUCTURE DIRECTING AGENTS by Diogo Pimentel de Sá da Silva, Bruno José Barros da Silva, Antonio Osimar Sousa da Silva

    Published 2020-09-01
    “… Among the microporous materials used in heterogeneous catalysis, zeolites have become promising due to the relevant physicochemical and catalytic properties. …”
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  15. 235

    Synthesizing Iron Atom Doped Carbon Nanotubes by Elguja R Kutelia, Ayten S Bakhtiyarova, Sayavur I Bakhtiyarov

    Published 2025-01-01
    “…Iron nanoparticles tend to agglomerate due to their strong magnetic interactions and high surface energy, resulting in inhomogeneous doping that diminishes the effectiveness of the composite in applications like electromagnetic shielding, catalysis, or energy storage. To mitigate this, controlled synthesis techniques such as Chemical Vapor Deposition (CVD) with regulated precursor flow rates or solution-based methods with surfactants can be utilized. …”
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  16. 236

    Single-Molecule Analysis of Alkaline Phosphatase by Douglas B. Craig

    Published 2024-10-01
    “…The catalytic rates of the individual molecules have been found to differ by over 10-fold, and the activation energy of catalysis by more than two-fold. Differences in properties indicate that differences in structure must exist between the molecules. …”
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  17. 237

    Assessment of the Oxidative Desulfurization of Middle Distillate Surrogate Fuels with Spectroscopic Techniques by Eleni Syntyhaki, Anastasia Detsi, Dimitrios Karonis

    Published 2020-01-01
    “…The goal of this study was the implementation of a simple and economical oxidative and extractive system for the desulfurization of surrogate mixtures with an intermediate sulfur concentration 1% w/w, at the mild temperature of 70°C, and without the use of supplementary and assisting methods such as heterogeneous catalysis or ultrasound irradiation. The sulfur content was estimated using X-ray fluorescence. …”
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