idUS - Author profile: Megías Sayago, Cristina

Name	Megías Sayago, Cristina
Department	Química Inorgánica
Knowledge area	Química Inorgánica
Professional category	Profesora Contratada Doctora
E-mail	Request

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18
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Publications
Article Selective hydrodeoxygenation of levulinic acid to γ-valerolactone over Ru supported on functionalized carbon nanofibers Bounoukta, Charf Eddine; Megías Sayago, Cristina; Rendón Márquez, Nuria; Ammari, Fatima; Penkova, Anna; Ivanova, Svetlana; Centeno Gallego, Miguel Ángel; Odriozola Gordón, José Antonio (Royal Society of Chemistry, 2023) In this work, carbon nanofibers (CNFs) have been successfully functionalized by using different approaches and finally ...
Article Alkane Metathesis over Immobilized Pincer-ligated Iridium Complexes: Effect of Support Nature Megías Sayago, Cristina; Centeno Vega, Ignacio; Bobadilla Baladrón, Luis Francisco; Ivanova, Svetlana; Rendón Márquez, Nuria; Suárez, Andrés (Elsevier, 2023) In this work, catalytic alkane metathesis has been evaluated as a suitable approach to upcycle hydrocarbons (polyolefins) ...
Article Functionalized Biochars as Supports for Ru/C Catalysts: Tunable and Efficient Materials for γ-Valerolactone Production Bounoukta, Charf Eddine; Megías Sayago, Cristina; Navarro de Miguel, Juan Carlos; Ammari, Fatima; Ivanova, Svetlana; Centeno, Miguel Ángel; Odriozola Gordón, José Antonio (MDPI, 2023) Cotton stalks-based biochars were prepared and used to synthetize Ru-supported catalysts for selective production of ...
Article Recent advances in the brønsted/lewis acid catalyzed conversion of glucose to hmf and lactic acid: Pathways toward bio-based plastics Megías Sayago, Cristina; Navarro Jaén, Sara; Drault, Fabien; Ivanova, Svetlana (Multidisciplinary Digital Publishing Institute (MDPI), 2021) One of the most trending topics in catalysis recently is the use of renewable sources and/or non-waste technologies to ...
Article Recent advances in selective oxidation of biomass-derived platform chemicals over gold catalysts Megías Sayago, Cristina; Navarro Jaén, Sara; Castillo, Rafael; Ivanova, Svetlana (Elsevier, 2020) Gold is without a doubt the best known metal for chemical oxidation. The noblest of the noble metals gained its place ...
Article Effect of Gold Particles Size over Au/C Catalyst Selectivity in HMF Oxidation Reaction Megías Sayago, Cristina; Lolli, Alice; Bonincontro, Danilo; Penkova, Anna Dimitrova; Albonetti, Stefania; Cavani, Fabrizio; Odriozola Gordón, José Antonio; Ivanova, Svetlana (Wiley-Blackwell, 2020) A series of gold nanoparticles in the 4–40 nm range were prepared, immobilized on activated carbon and further tested, at ...
Article 5-Hydroxymethyl-2-Furfural Oxidation Over Au/CexZr1-xO2 Catalysts Megías Sayago, Cristina; Bonincontro, Danilo; Lolli, Alice; Ivanova, Svetlana; Albonetti, Stefania; Cavani, Fabrizio; Odriozola Gordón, José Antonio (Frontiers Media, 2020) A series of gold catalysts supported on pure CeO2, ZrO2, and two different Ce-Zr mixed oxides have been prepared and tested ...
Article Immobilization of Stabilized Gold Nanoparticles on Various Ceria-Based Oxides: Influence of the Protecting Agent on the Glucose Oxidation Reaction Chenouf, Meriem; Megías Sayago, Cristina; Ammari, Fatima; Ivanova, Svetlana; Centeno Gallego, Miguel Ángel; Odriozola Gordón, José Antonio (MDPI, 2019) The influence of the protecting agent’s nature on gold particle size and dispersion was studied in this work over a series ...
Article Au/Al2O3 – Efficient catalyst for 5-hydroxymethylfurfural oxidation to 2,5-furandicarboxylic acid Megías Sayago, Cristina; Lolli, Alice; Ivanova, Svetlana; Albonetti, Stefania; Cavani, Fabrizio; Odriozola Gordón, José Antonio (Elsevier, 2019) The catalytic activity of a simple Au/Al2O3 catalytic system prepared by the direct anionic exchange (DAE) method was ...
Article Au/CeO2-ZnO/Al2O3 as Versatile Catalysts for Oxidation Reactions: Application in Gas/Liquid Environmental Processes Megías Sayago, Cristina; Ramírez Reina, Tomás; Ivanova, Svetlana; Odriozola Gordón, José Antonio (Frontiers Media, 2019) The present work showcases the versatility of nanogold systems supported on Zn-doped ceria when applied in two important ...
Article Understanding the Role of the Acid Sites in 5-Hydroxymethylfurfural Oxidation to 2,5-Furandicarboxylic Acid Reaction over Gold Catalysts: Surface Investigation on CexZr1- xO2 Compounds Megías Sayago, Cristina; Chakarova, Kristina; Penkova, Anna Dimitrova; Lolli, Alice; Ivanova, Svetlana; Albonetti, Stefania; Cavani, Fabrizio; Odriozola Gordón, José Antonio (American Chemical Society, 2018) A series of CexZr1-xO2 supports with different Ce/Zr molar ratios were utilized for the preparation of gold catalyst used ...
Article Gold catalyst recycling study in base-free glucose oxidation reaction Megías Sayago, Cristina; Bobadilla Baladrón, Luis Francisco; Ivanova, Svetlana; Penkova, Anna Dimitrova; Centeno Gallego, Miguel Ángel; Odriozola Gordón, José Antonio (Elsevier, 2018) This work is devoted to the study of viability of immobilized gold colloids on carbon as catalysts for the base-free glucose ...
Article Epimerization of glucose over ionic liquid/phosphomolybdate hybrids: structure-activity relationship Megías Sayago, Cristina; Álvarez González, Eleuterio; Ivanova, Svetlana; Odriozola Gordón, José Antonio (Royal Society of Chemistry, 2018) The influence of the crystal structure and chemical nature of some ionic liquid/phosphomolybdate hybrids on their catalytic ...
PhD Thesis Catalizadores híbridos bifuncionales para la valorización química de biomasa Megías Sayago, Cristina; Odriozola Gordón, José Antonio; Ivanova, Svetlana (2017) El concepto de biorrefinería, aunque conocido desde finales del siglo pasado , ha sido objeto de numerosas definiciones ...
Article Influence of gold particle size in Au/C catalysts for base-free oxidation of glucose Megías Sayago, Cristina; Santos Muñoz, José Luis; Ammari, Fatima; Chenouf, Meriem; Ivanova, Svetlana; Centeno Gallego, Miguel Ángel; Odriozola Gordón, José Antonio (Elsevier, 2017) A series of gold colloids were prepared and immobilized on commercial activated carbon. The influence of the colloid ...
Article Gold catalysts screening in base-free aerobic oxidation of glucose to gluconic acid Megías Sayago, Cristina; Ivanova, Svetlana; López Cartes, Carlos; Centeno Gallego, Miguel Ángel; Odriozola Gordón, José Antonio (Elsevier, 2017) Base-free aerobic oxidation of glucose in presence of Au/Al2O3, Au/CeO2, Au/CeO2(20 wt%)/Al2O3, Au/CeO2(25 wt%)/ZrO2 and ...
Article Influence of the ionic liquid presence on the selective oxidation of glucose over molybdenum based catalysts Megías Sayago, Cristina; Carrasco Carrasco, Carlos Jesús; Ivanova, Svetlana; Montilla Ramos, Francisco Javier; Galindo del Pozo, Agustín; Odriozola Gordón, José Antonio (Elsevier, 2016) Two different approaches are proposed in this work in order to study the influence of the ionic liquid presence in the ...
Article H2 oxidation as criterion for PrOx catalyst selection: Examples based on Au-CoOx-supported systems Ramírez Reina, Tomás; Megías Sayago, Cristina; Pérez Flórez, Alejandro; Ivanova, Svetlana; Centeno Gallego, Miguel Ángel; Odriozola Gordón, José Antonio (Elsevier, 2015) A new approach for understanding PrOx reaction over gold catalysts is proposed in this work. The competition between H2 ...