• α-Hydroxy ketones as masked ester donors in Brønsted base catalyzed conjugate additions to nitroalkenes 

  Olaizola, Iurre; Campano, Teresa E.; Iriarte, Igor; Vera, Silvia; Mielgo, Antonia; García Castillo, Jesús María  ; Odriozola Ibarguren, José Manuel  ; Oiarbide, Mikel; Palomo, Claudio (Wiley, 2018)   Artículo / Artikulua  

  The catalyst-controlled enantioselective direct addition reaction of enolizable esters and related carboxylic acid derivatives to p electrophiles remains a difficult synthetic transformation. In this study, the suitability ...

• Asymmetric assembly of all‐carbon tertiary/quaternary nonadjacent stereocenters through organocatalytic conjugate addition of α‐cyanoacetates to a methacrylate equivalent 

  Iriarte, Igor; Vera, Silvia; Badiola, Eider; Mielgo, Antonia; Oiarbide, Mikel; García Castillo, Jesús María  ; Odriozola Ibarguren, José Manuel  ; Palomo, Claudio (Wiley, 2016)   Artículo / Artikulua  

  An efficient, highly diastereo- and enantioselective assembly of acyclic carbonyl fragments possessing nonadjacent all-carbon tertiary/quaternary stereoarrays is reported based on a Brønsted base catalyzed Michael ...

• Kinetics of the acid-catalyzed hydrolysis of tetraethoxysilane (TEOS) by 29Si NMR spectroscopy and mathematical modeling 

  Echeverría Morrás, Jesús  ; Moriones Jiménez, Paula  ; Arzamendi Manterola, María Cruz  ; Garrido Segovia, Julián José  ; Gil Idoate, María José  ; Cornejo Ibergallartu, Alfonso  ; Martínez Merino, Víctor   (Springer, 2018)   Artículo / Artikulua  

  Tetraethoxysilane (TEOS) is widely used to synthesize siliceous material by the sol–gel process. However, there is still some disagreement about the nature of the limiting step in the hydrolysis and condensation reactions. ...

• Outstanding performance of rehydrated Mg-Al hydrotalcites as heterogeneous methanolysis catalysts for the synthesis of biodiesel 

  Navajas León, Alberto  ; Campo Aranguren, Idoia; Moral Larrasoaña, Ainara ; Echave, Javier; Sanz Iturralde, Oihane; Montes, Mario; Odriozola, José Antonio; Arzamendi Manterola, María Cruz  ; Gandía Pascual, Luis   (Elsevier, 2018)   Artículo / Artikulua  

  There is still a need for active, selective and stable heterogeneous catalysts for the synthesis of biodiesel. In this work, magnesium-aluminium hydrotalcites with Mg/Al molar ratios within the 1.5–5 range were synthesized ...

• Hydrogen production from water electrolysis: current status and future trends 

  Ursúa Rubio, Alfredo  ; Gandía Pascual, Luis  ; Sanchis Gúrpide, Pablo   (IEEE, 2012)   Artículo / Artikulua  

  This paper reviews water electrolysis technologies for hydrogen production and also surveys the state of the art of water electrolysis integration with renewable energies. First, attention is paid to the thermodynamic and ...

• Influence of the power supply on the energy efficiency of an alkaline water electrolyser 

  Ursúa Rubio, Alfredo  ; Marroyo Palomo, Luis  ; Gubía Villabona, Eugenio  ; Gandía Pascual, Luis  ; Diéguez Elizondo, Pedro  ; Sanchis Gúrpide, Pablo   (Elsevier, 2009)   Artículo / Artikulua  

  Electric energy consumption represents the greatest part of the cost of the hydrogen produced by water electrolysis. An effort is being carried out to reduce this electric consumption and improve the global efficiency ...

• Encuesta de satisfacción de un proyecto de mejora de calidad del servicio aragonés de salud 

  Bimbela Serrano, María Teresa; Bimbela Serrano, Fernando  ; Bernués Vázquez, Luis (Universidad de Murcia, 2015)   Artículo / Artikulua  

  Introducción: Según el informe de 2008 del Sistema Nacional de Salud, existe un 4,7% de los usuarios que opina que el sistema sanitario debería rehacerse por completo y casi un 27%, que es necesario introducir cambios ...

• Rutas y retos para la valorización de biogás 

  Navarro Puyuelo, Andrea; Reyero Zaragoza, Inés  ; Moral Larrasoaña, Ainara ; Bimbela Serrano, Fernando  ; Gandía Pascual, Luis   (Universidad Libre (Colombia), 2017)   Artículo / Artikulua  

  Las tecnologías de digestión anaerobia para procesar corrientes residuales (fracción orgánica de resi­duos de vertedero, lodos de estaciones depuradoras de aguas residuales, purines, etc.) han originado un incremento de ...

• Synthesis of zeolite a from metakaolin and its application in the adsorption of cationic dyes 

  Pereira, Priscila Martins; Ferreira, Breno Freitas; Oliveira, Nathalia Paula; Gil Bravo, Antonio  ; Korili, Sophia A.   (MDPI, 2018)   Artículo / Artikulua  

  The present work reports the synthesis of zeolites from two metakaolins, one derived from the white kaolin and the other derived from the red kaolin, found in a deposit in the city of São Simão (Brazil). The metakaolins ...

• Kinetic analysis and CFD simulations of the photocatalytic production of hydrogen in silicone microreactors from water-ethanol mixtures 

  Castedo, Alejandra; Uriz Doray, Irantzu  ; Soler, Lluís; Gandía Pascual, Luis  ; Llorca Piqué, Jordi (Elsevier, 2017)   Artículo / Artikulua  

  Silicone microreactors containing microchannels of 500 μm width in a single or triple stack configuration have been manufactured, coated with an Au/TiO2 photocatalyst and tested for the photocatalytic production of hydrogen ...

• Catalytic hydroprocessing of lignin β-O-4 ether bond model compound phenethyl phenyl ether over ruthenium catalysts 

  Gómez Monedero, B.; Faria, J.; Bimbela Serrano, Fernando  ; Ruiz, M. P. (Springer, 2017)   Artículo / Artikulua  

  The catalytic hydroprocessing of phenethyl phenyl ether (PPE), a model compound of one of the most significant ether linkages within lignin structure, β-O-4, has been studied. Reactions were carried out using two ruthenium-based ...

• Synthesis and molecular structures of palladium(II) metalated 2-phenylpyridine complexes [PdCl(pyC6H4)L] containing amino- or acetylamino-pyridine co-ligands 

  Al-Jibori, Subhi A.; Gergees, Hayfa M.; Al-Rubaye, Mousa S.; Basak-Modi, Sucharita; Luquin, Asunción   (Elsevier, 2016)   Artículo / Artikulua  

  A number of cyclometalated palladium(II) complexes [PdCl(pyC6H4)(L)] containing amino-pyridine or acetylamino-pyridine co-ligands (L) have been prepared from the reaction of [Pd(pyC6H4)(μ-Cl)]2 with two equivalents of these ...

• Gold supported on CuOₓ/CeO₂ catalyst for the purification of hydrogen by the CO preferential oxidation reaction (PROX) 

  Laguna, O. H.; Hernández, W. Y.; Arzamendi Manterola, María Cruz  ; Gandía Pascual, Luis  ; Centeno, M. A. (Elsevier, 2014)   Artículo / Artikulua  

  Hydrogen produced from the conversion of hydrocarbons or alcohols contains variable amounts of CO that should be removed for some applications such as feeding low-temperature polymer electrolyte membrane fuel cells (PEMFCs). ...

• Lipogenic enzyme activity in growing Rasa Aragonesa lambs 

  Arana Navarro, Ana  ; Soret Lafraya, Beatriz  ; Corroza Muro, Manuel ; Mendizábal Aizpuru, José Antonio  ; Mendizábal Múgica, Francisco Javier ; Horcada, Alberto; Eguinoa Ancho, Paola ; Purroy Unanua, Antonio  (CIHEAM, 1995)   Contribución a congreso / Biltzarrerako ekarpena  

  The lipogenic enzyme activity of the following enzymes was studied: Glycerol 3-phosphate dehydrogenase (G3PDH), fatty acids synthetase (FAS), NADP-Malate dehydrogenase (ME) and Glucose 6-phosphate dehydrogenase (G6PDH) ...

• Application of eco-design and life cycle assessment standards for environmental impact reduction of an industrial product 

  Navajas León, Alberto  ; Uriarte Elizaga, Leire; Gandía Pascual, Luis   (MDPI, 2017)   Artículo / Artikulua  

  Eco-design is included within the framework of the standard for “Environmental management systems—Guidelines for incorporating Eco-design” (ISO 14006:2011). Eco-design process, as defined in standard, has six steps: (i) ...

• Rosa canina extracts have antiproliferative and antioxidant effects on caco-2 human colon cancer 

  Jiménez Alonso, Sandra ; Gascón, Sonia; Luquin, Asunción  ; Laguna, Mariano; Ancín Azpilicueta, Carmen  ; Rodríguez Yoldi, María Jesús (Public Library of Science, 2016)   Artículo / Artikulua  

  The in vitro antiproliferative and antioxidant effects of different fractions of Rosa canina hips on human colon cancer cell lines (Caco-2) was studied. The compounds tested were total extract (fraction 1), vitamin C ...

• Preparation of Al/Fe-pillared clays: effect of the starting mineral 

  Muñoz Alvear, Helir Joseph; Blanco, Carolina; Gil Bravo, Antonio  ; Vicente, Miguel Ángel; Galeano, Luis Alejandro (MDPI, 2017)   Artículo / Artikulua  

  Four natural clays were modified with mixed polyoxocations of Al/Fe for evaluating the effect of the physicochemical properties of the starting materials (chemical composition, abundance of expandable clay phases, cationic ...

• Fiber optic sensors based on hybrid phenyl-silica xerogel films to detect n-hexane: determination of the isosteric enthalpy of adsorption 

  Echeverría Morrás, Jesús  ; Calleja, Ignacio; Moriones Jiménez, Paula  ; Garrido Segovia, Julián José   (Beilstein-Institut, 2017)   Artículo / Artikulua  

  We investigated the response of three fiber optic sensing elements prepared at pH 10 from phenyltriethoxysilane (PhTEOS) and tetraethylsilane (TEOS) mixtures with 30, 40, and 50% PhTEOS in the silicon precursor mixture. ...

• Estrategias del alumnado de Educación Secundaria para estimar la densidad 

  Napal Fraile, María  ; Echeverría Morrás, Jesús  ; Zulet González, Amaia ; Santos Cervera, Leyre; Ibarra Murillo, Julia   (Universitat Autònoma de BarcelonaUniversitat de València, 2018)   Artículo / Artikulua  

  La densidad, o concentración de materia, es un concepto muy relevante pero que genera muchas dificultades de comprensión. Para medir la competencia en la estimación de la densidad del alumnado de la ESO, se pasó un ...

• Therapeutic applications of rose hips from different rosa species 

  Mármol, Inés; Sánchez de Diego, Cristina; Jiménez Moreno, Nerea  ; Ancín Azpilicueta, Carmen  ; Rodríguez Yoldi, María Jesús (MDPI, 2017)   Artículo / Artikulua  

  Rosa species, rose hips, are widespread wild plants that have been traditionally used as medicinal compounds for the treatment of a wide variety of diseases. The therapeutic potential of these plants is based on its ...

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