Listar Departamento de Química Orgánica por título
Mostrando ítems 309-328 de 341
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Tailoring the ORR and HER electrocatalytic performances of gold nanoparticles through metal–ligand interfaces
(Royal Society of Chemistry, 2019)The oxygen reduction (ORR) and hydrogen evolution (HER) reactions are the most important cathodic processes involved in fuel cell and water splitting technologies, respectively. The development of bifunctional electrocatalyst ... -
Technology and Process Design for Phenols Recovery from Industrial Chicory (Chicorium intybus) Leftovers
(MDPI, 2019)Vegetal leftovers from the agro–food industry represent a huge source of primary and secondary metabolites, vitamin, mineral salts and soluble as well as insoluble fibers. Economic reports on the growth in the polyphenol ... -
Ternary Hydrotalcites in the Multicomponent Synthesis of 4H-Pyrans
(MDPI, 2020)Lamellar double hydroxides (LDH) with double divalent cations were synthesized by the co-precipitation method and studied in the multicomponent synthesis of 4H-pyrans. The solids obtained were characterized by X-ray ... -
The dark side of biomass valorization: A laboratory experiment to understand humins formation, catalysis and green chemistry
(ACS Publications, 2019)This laboratory experiment introduces students to an important reaction in biomass valorization and allows them to gain a practical understanding of green chemistry. Acid-catalyzed dehydration reactions of fructose to ... -
The NtrYX Two-Component System of Paracoccus denitrificans Is Required for the Maintenance of Cellular Iron Homeostasis and for a Complete Denitrification under Iron-Limited Conditions
(MDPI, 2022)Denitrification consists of the sequential reduction of nitrate to nitrite, nitric oxide, nitrous oxide, and dinitrogen. Nitrous oxide escapes to the atmosphere, depending on copper availability and other environmental ... -
Thermal and light irradiation effect on the electrocatalytic performance of Hemoglobin modified Co3O4-g-C3N4 nanomaterials for oxygen evolution reaction
(Royal Society of Chemistry, 2020)The oxygen evolution reaction (OER) plays a key role in the water splitting process and a high energy conversion efficiency is essential for the definitive advance of hydrogen-based technologies. Unfortunately, the green ... -
Three-Dimensional Hierarchical Hydrotalcite–Silica Sphere Composites as Catalysts for Baeyer–Villiger Oxidation Reactions Using Hydrogen Peroxide
(MDPI, 2022)The development of effective, environmentally friendly catalysts for the Baeyer–Villiger reaction is becoming increasingly important in applied catalysis. In this work, we synthesized a 3D composite consisting of silica ... -
Towards industrial furfural conversion: selectivity and stability of palladium and platinum catalysts under continuous flow regime
(2019)Furfural is an important biorefinery platform chemical, derived from hemicelluloses which represent an import fraction of lignocellulosic biomass feedstocks and waste streams originating from them. Recently, promising ... -
Towards the photophysical studies of humin by-products
(Royal Society of Chemistry, 2017)Biomass conversion into chemicals, materials and fuels emerged in the past decade as the most promising alternative to the current petroleum-based industry. However, the chemocatalytic conversion of biomass and bio-derived ... -
Transformación catalítica de glicerina a acroleína en fase líquida
(Universidad de Córdoba, 2015) -
Transformación catalítica de la glicerina, subproducto en la obtención de biodiésel, en productos de interés en Química Fina e Industrial
(Universidad de Córdoba, UCOPress, 2017)La presente Tesis Doctoral abarca la síntesis y caracterización de catalizadores con diferentes propiedades, texturales y ácidas, y su posterior aplicación en reacciones de valorización de la glicerina, como son ... -
Transformación de glicerol mediante catalizadores heterogéneos ácido-básicos y metálicos soportados en diferentes ambientes redox
(Universidad de Córdoba, UCOPress, 2016)1. Introducción o motivación de la tesis Durante las últimas décadas, los investigadores han dirigido sus esfuerzos hacia la protección del medio ambiente y al desarrollo de procesos sostenibles con el entorno [1,2]. ... -
Transformación de propeno sobre fosfatos metálicos
(Universidad de Córdoba, 2015) -
Tuning the Selectivity of the Hydrogenation/Hydrogenolysis of 5-Hydroxymethylfurfural under Batch Multiphase and Continuous-Flow Conditions
(Wiley, 2022)The hydrogenation/hydrogenolysis of 5-hydroxymethylfurfural (HMF) has been carried out either under single (aqueous) phase or batch multiphase (MP) conditions using mutually immiscible aqueous/hydrocarbon phases, 5?% Ru/C ... -
Ultrastable CoxSiyOz Nanowires by Glancing Angle Deposition with Magnetron Sputtering as Novel Electrocatalyst for Water Oxidation
(Wiley-VCH, 2019)Cobalt is one of the most promising non‐noble metal as electrocatalyst for water oxidation. Herein, a highly stable silicon‐cobalt mixed oxide thin film with a porous columnar nanostructure is proposed as electrocatalyst ... -
Unprecedented Proline-Based Heterogeneous Organocatalyst for Selective Production of Vanillin
(MDPI, 2018)An organocatalytic system based on an unprecedented proline analogue and iron oxide magnetic nanoparticles (Prn/Fe2O3@SiO2) was designed and employed in vanillin production from isoeugenol and vanillyl alcohol. Full ... -
Uso de mandos interactivos de respuesta como base para la mejora de la docencia en los Grados impartidos en la Facultad de Ciencias
(UCOPress, 2017)La implantación de los nuevos Grados dentro del EEES supone un nuevo enfoque metodológico, pero sobre todo evaluador. El profesor debe esforzarse en ser capaz de valorar no sólo el nivel de conocimientos del alumnado sobre ... -
Utilización de catalizadores de Pd soportado sobre hidrotalcita en la reacción de acoplamiento cruzado de Suzuki
(Universidad de Córdoba, Servicio de Publicaciones, 2009)Se han sintetizado una serie de catalizadores basados en sales de paladio o complejos de paladio soportados sobre la hidrotalcita, que han sido caracterizados por diferentes técnicas instrumentales, tales como la difracción ... -
Utilización de lipasas en la producción de un nuevo tipo de biodiesel que evita la generación de glicerol
(Universidad de Córdoba, Servicio de Publicaciones, 2012)Los altos precios de los combustibles derivados del petróleo están ocasionando una intensificación de la investigación de los métodos de producción de los biocombustibles, con la idea de optimizar la producción de combustibles ...