Ficha personal - Cristina Megías Sayago


Cristina Megías Sayago
Email: Solicitar correo
Perfil en ORCID: 0000-0002-1362-5216

Grupo de Investigación: FQM-119 Sintesis de Compuestos Organometalicos. Aplicaciones
Departamento/Unidad: Química Inorgánica
Situación profesional: Profesor Contratado Doctor

Participa en los siguientes proyectos/ayudas en la US:

  • Proyecto de investigación:
    • Sistemas Catalíticos Estructurados para la Producción de Biocombustibles (ENE2015-66975-C3-2-R - Equipo Trabajo (Alta/Baja))

  • Ayuda a la investigación:
    • Incentivo al Grupo de Investigación TEP-106 (2017/TEP-106 - Investigador)

Cobertura de la base de datos de proyectos, véase aqui


Publicaciones:

Publicaciones en Revistas
Bounoukta, Charf Eddine, Megías Sayago, Cristina, Ivanova, Svetlana, Ammari, Fatima, Centeno Gallego, Miguel Angel, et. al.:
Pursuing efficient systems for glucose transformation to levulinic acid: Homogeneous vs. heterogeneous catalysts and the effect of their co-action. En: Fuel. 2022. Vol. 318. https://doi.org/10.1016/j.fuel.2022.123712

Megías Sayago, Cristina, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, Odriozola Gordon, José Antonio:
Articulo en prensa: Structure-sensitivity of formic acid dehydrogenation reaction over additive-free Pd NPs supported on activated carbon. En: Chemical Engineering Journal. 2021. Vol. 420. https://doi.org/10.1016/j.cej.2020.127641

Bounoukta, Charf Eddine, Megías Sayago, Cristina, Ivanova, Svetlana, Penkova, Anna Dimitrova, Ammari, Fatima, et. al.:
Effect of the sulphonating agent on the catalytic behavior of activated carbons in the dehydration reaction of fructose in DMSO. En: Applied Catalysis A: General. 2021. Vol. 617. https://doi.org/10.1016/j.apcata.2021.118108

Bounoukta, Charf Eddine, Megías Sayago, Cristina, Ammari, Fatima, Ivanova, Svetlana, Monzón Bescós, Antonio, et. al.:
Dehydration of glucose to 5-Hydroxymethlyfurfural on bifunctional carbon catalysts. En: Applied Catalysis B: Environmental. 2021. https://doi.org/10.1016/j.apcatb.2021.119938

Megías Sayago, Cristina, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, Odriozola Gordon, José Antonio:
Functionalized biochars as supports for Pd/C catalysts for efficient hydrogen production from formic acid. En: Applied Catalysis B: Environmental. 2021. Vol. 282. https://doi.org/10.1016/j.apcatb.2020.119615

Megías Sayago, Cristina, Ramírez Reina, Tomás, Ivanova, Svetlana, Odriozola Gordon, José Antonio:
Au/CeO2-ZnO/Al2O3 as versatile catalysts for oxidation reactions: application in gas/liquid environmental processes. En: Frontiers in Chemistry. 2019. Vol. 7. 10.3389/fchem.2019.00504

Megías Sayago, Cristina, Lolli, Alice, Ivanova, Svetlana, Albonetti, Stefania, Cavani, Fabrizio, et. al.:
Au/Al2O3¿ Efficient catalyst for 5-hydroxymethylfurfural oxidation to 2,5- furandicarboxylic acid. En: Catalysis Today. 2019. Vol. 333. Pag. 169-175. 10.1016/j.cattod.2018.04.024

Chenouf, M., Megías Sayago, Cristina, Ammari, Fatima, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, et. al.:
Montmorillonite stabilized gold nanoparticles for nitrophenol reduction. En: Comptes Rendus Chimie. 2019. Vol. 22. Pag. 621-627. https://doi.org/10.1016/j.crci.2019.07.005

Chenouf, M., Megías Sayago, Cristina, Ammari, Fatima, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, et. al.:
Immobilization of stabilized gold nanoparticles on various ceria based oxides: influence of the protecting agent on the glucose oxidation reaction. En: Catalysts. 2019. Vol. 9. Núm. 125. doi:10.3390/catal9020125

Megías Sayago, Cristina, Chakarova, Kristina, Penkova, Anna Dimitrova, Lolli, Alice, Ivanova, Svetlana, et. al.:
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. En: ACS Catalysis. 2018. Vol. 8. Pag. 11154-11164. 10.1021/acscatal.8b02522

Megías Sayago, Cristina, Alvarez Gonzalez, Eleuterio, Ivanova, Svetlana, Odriozola Gordon, José Antonio:
Epimerization of glucose over ionic liquid/ phosphomolybdate hybrids: structure¿activity relationship. En: Green Chemistry. 2018. Vol. 20. 10.1039/c7gc03738d

Megías Sayago, Cristina, Ammari, Fatima, Chenouf, M., Ivanova, Svetlana, Centeno Gallego, Miguel Angel, et. al.:
Influence of gold particle size in Au/C catalysts for base-free oxidation of glucose. En: Catalysis Today. 2018. Vol. 306. Pag. 183-190. https://doi.org/10.1016/j.cattod.2017.01.007

Megías Sayago, Cristina, Bobadilla Baladrón, Luis Francisco, Ivanova, Svetlana, Penkova, Anna Dimitrova, Centeno Gallego, Miguel Angel, et. al.:
Gold catalyst recycling study in base-free glucose oxidation reaction. En: Catalysis Today. 2018. Vol. 301. Pag. 72-77. http://dx.doi.org/10.1016/j.cattod.2017.03.022

Megías Sayago, Cristina, Ivanova, Svetlana, Lopez Cartes, Carlos, Centeno Gallego, Miguel Angel, Odriozola Gordon, José Antonio:
Gold catalysts screening in base-free aerobic oxidation of glucose to gluconic acid. En: Catalysis Today. 2017. Vol. 279. Pag. 148-154. doi.org/10.1016/j.cattod.2016.06.046

Megías Sayago, Cristina, Carrasco Carrasco, Carlos Jesús, Ivanova, Svetlana, Montilla Ramos, Francisco J., Galindo del Pozo, Agustin, et. al.:
Influence of the ionic liquid presence on the selective oxidation of glucose over molybdenum based catalysts. En: Catalysis Today. 2016. Vol. 278. Pag. 82-90. 10.1016/j.cattod.2016.06.040

Ramírez Reina, Tomás, Megías Sayago, Cristina, Perez Florez, Alejandro, Ivanova, Svetlana, Centeno, Miguel Angel, et. al.:
H2 oxidation as criterion for PrOx catalyst selection: examples based on Au-CoOx supported systems. En: Journal of Catalysis. 2015. Vol. 326. Pag. 161-171

Aportaciones a Congresos
Bounoukta, Charaf Eddine, Megías Sayago, Cristina, Ammari, Fatima, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, et. al.:
Deshidratación de glucosa a 5-hidroximetilfurfural sobre carbones bifuncionales. Poster en Congreso. XV Reunión del Grupo Español del Carbón. Granada. 2022

Bounoukta, Charaf Eddine, Rendon Marquez, Nuria, Megías Sayago, Cristina, Ammari, Fatima, Ivanova, Svetlana, et. al.:
Hidrodeoxigenación de ácido levulínico sobre nanofibras de carbono funcionalizadas. Comunicación en congreso. XV Reunión del Grupo Español del Carbón. Granada. 2022

Megías Sayago, Cristina, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, Odriozola Gordon, José Antonio:
Catalizadores híbridos bifuncionales para la reaccion de deshidratación de glucosa/fructosa a HMF. Ponencia en Congreso. XXVI Congreso Iberoamericano de Catálisis. - Coimbra, Portugal. 2018

Megías Sayago, Cristina, Lolli, A., Ivanova, Svetlana, Albonetti, S., Centeno Gallego, Miguel Angel, et. al.:
Au/C catalysts for 2,5-furandicarboxylic acid production. Ponencia en Congreso. VIII International Symposium on Carbon for Catalysis. - Oporto, Portugal. 2018

Navarro, Juan Carlos, Megías Sayago, Cristina, Ivanova, Svetlana, Monzón, Antonio, Centeno Gallego, Miguel Angel:
Noble metal nanoparticles inmobilization on carbonaceous materials: influence of synthesis parameters on the metallic size. Poster en Congreso. 12th International Symposium Scientific Bases for the Preparation of Heterogeneous Catalysts. Louvain-la-Neuve, Bélgica. 2018

Megías Sayago, Cristina, Lolli, Alice, Ivanova, Svetlana, Albonetti, Stefania, Cavani, Fabrizio, et. al.:
Which is the support contribution to gold catalyst activity for FDCA production?. Ponencia en Congreso. 8th World Congress on Oxidation Catalysis and XII European Workshop Meeting on Innovation in Selective Oxidation (ISO¿17). Cracovia (Polonia). 2017

Megías Sayago, Cristina, Lolli, Alice, Ivanova, Svetlana, Albonetti, Stefania, Cavani, Fabrizio, et. al.:
Influence of support to gold catalyst activity for the production of 2,5-furandicarboxilic acid. Ponencia en Congreso. Reunión de la Sociedad Española de Catálisis SECAT 2017. - Oviedo, España. 2017

Megías Sayago, Cristina, Lolli, A., Ivanova, Svetlana, Albonetti, S., Centeno Gallego, Miguel Angel, et. al.:
Catalizadores de oro, platino y paladio sobre carbón para la producción de ácido 2,5-furandicarboxílico. Ponencia en Congreso. XIV Reunión del Grupo Español del Carbón. Málaga (España). 2017

Megías Sayago, Cristina, Alvarez Gonzalez, Eleuterio, Ivanova, Svetlana, Odriozola Gordon, José Antonio:
Crystal structure of new polyoxometalate/ionic liquid hybrids and their application in catalysis. Poster en Congreso. Challenges and Prospects for Solid State Chemistry. Sevilla. 2016

Megías Sayago, Cristina, Santos Muñoz, José Luis, Chenouf, Merien, Ammari, Fatima, Ivanova, Svetlana, et. al.:
Gold on carbon for biomass conversion: the case of selective base-free glucose oxidation. Ponencia en Congreso. VIIth International Symposium on Catalysis on Carbon. Estrasburgo - Francia. 2016

Megías Sayago, Cristina, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, Odriozola Gordon, José Antonio:
Direct catalytic conversion of glucose to lactic acid. Poster en Congreso. French Conference on Catalysis. Fréjus, Francia. 2016

Megías Sayago, Cristina, Carrasco, C.j., Ivanova, Svetlana, Montilla Ramos, Francisco J., Galindo del Pozo, Agustin, et. al.:
Influence of the Ionic Liquid Presence on the Selective Oxidation of Glucose over Molybdenum Based Catalysts. Ponencia en Congreso. European Congress on Catalysis - EuropaCat XII. Kazan, Rusia. 2015

Megías Sayago, Cristina, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, Odriozola Gordon, José Antonio:
Gold Catalysts screening in the selective aerobic oxidation of glucose. Ponencia en Congreso. 3rd International Congress on Catalysis for Biorefineries. : Rio de Janeiro; Brasil. 2015

Megías Sayago, Cristina, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, Odriozola Gordon, José Antonio:
Polioxometalate/ionic liquids hybrids as a catalyst for the isomerisation of glucose to fructose in water. Ponencia en Congreso. Eleventh International Symposium on Heterogeneous Catalysis. Varna (Bulgaria). 2015

Megías Sayago, Cristina, Ivanova, Svetlana, Centeno Gallego, Miguel Angel, Odriozola Gordon, José Antonio:
Oxidación selectiva de glucosa en presencia de O2 sobre catalizadores de oro soportado. Ponencia en Congreso. Reunión de la Sociedad Española de Catálisis - SECAT'15. Barcelona, España. 2015

Vicerrectorado de Investigación. Universidad de Sevilla. Pabellón de Brasil. Paseo de las Delicias s/n. Sevilla