• Gaseous fueling of an adapted commercial automotive spark-ignition engine: simplified thermodynamic modeling and experimental study running on hydrogen, methane, carbon monoxide and their mixtures 

      Urroz Unzueta, José Carlos Upna Orcid; Diéguez Elizondo, Pedro Upna Orcid; Arzamendi Manterola, María Cruz Upna Orcid; Arana Burgui, Miguel Upna Orcid; Gandía Pascual, Luis Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      In the present work, methane, carbon monoxide, hydrogen and the binary mixtures 20 % CH4–80 % H2, 80 % CH4–20 % H2, 25 % CO–75 % H2 (by volume) were considered as fuels of a naturally aspirated port-fuel injection four-cylinder ...
    • Giant stress impedance magnetoelastic sensors employing soft magnetic amorphous ribbons 

      Beato López, Juan Jesús Upna Orcid; Urdaniz Villanueva, Juan Garikoitz; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Gómez Polo, Cristina Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Soft magnetic amorphous alloys obtained via rapid quenching techniques are widely employed in different technological fields such as magnetic field detection, bio labeling, non-contact positioning, etc. Among them, ...
    • Global data on earthworm abundance, biomass, diversity and corresponding environmental properties 

      Phillips, Helen R.P.; Bach, Elizabeth M.; Bartz, Marie L. C.; Bennett, Joanne M.; Beugnon, Rémy; Briones, Maria J.I.; Brown, George G.; Ferlian, Olga; Gongalsky, Konstantin B.; Guerra, Carlos; König-Ries, Birgitta; Krebs, Julia J.; Orgiazzi, Alberto; Ramirez, Kelly S.; Russell, David J.; Schwarz, Benjamin; Wall, Diana H.; Brose, Ulrich; Decaëns, Thibaud; Lavelle, Patrick; Loreau, Michel; Mathieu, Jérôme; Mulder, Christian; Van der Putten, Wim H.; Rillig, Matthias C.; Thakur, Madhav P.; Vries, Franciska T. de; Wardle, David A.; Ammer, Christian; Ammer, Sabine; Arai, Miwa; Ayuke, Fredrick O.; Baker, Geoff H.; Baretta, Dilmar; Barkusky, Dietmar; Beauséjour, Robin; Bedano, Jose C.; Birkhofer, Klaus; Blanchart, Eric; Blossey, Bernd; Bolger, Thomas; Bradley, Robert L.; Brossard, Michel; Burtis, James C.; Capowiez, Yvan; Cavagnaro, Timothy R.; Choi, Amy; Clause, Julia; Cluzeau, Daniel; Coors, Anja; Crotty, Felicity V.; Crumsey, Jasmine M.; Dávalos, Andrea; Díaz Cosín, Darío J.; Dobson, Annise M.; Domínguez, Anahí; Duhour, Andrés Esteban; Van Eekeren, Nick; Emmerling, Christoph; Falco, Liliana B.; Fernández, Rosa; Fonte, Steven J.; Fragoso, Carlos; Franco, André L.C.; Fusilero, Abegail; Geraskina, Anna P.; Gholami, Shaieste; González, Grizelle; Gundale, Michael J.; Gutiérrez López, Mónica; Hackenberger, Branimir K.; Hackenberger, Davorka K.; Hernández, Luis M.; Hirth, Jeff R.; Hishi, Takuo; Holdsworth, Andrew R.; Holmstrup, Martin; Hopfensperger, Kristine N.; Huerta Lwanga, Esperanza; Huhta, Veikko; Hurisso, Tunsisa T.; Iannone III, Basil V.; Lordache, Madalina; Irmler, Ulrich; Ivask, Mari; Jesús, Juan B.; Johnson-Maynard, Jodi L.; Joschko, Monika; Kaneko, Nubiro; Kanianska, Radoslava; Keith, Aidan M.; Kernecker, Maria L.; Koné, Armand W.; Kooch, Yahya; Kukkonen, Sanna T.; Lalthanzara, H.; Lammel, Daniel R.; Lebedev, Iurii M.; Le Cadre, Edith; Lincoln, Noa K.; López-Hernández, Danilo; Loss, Scott R.; Marichal, Raphael; Matula, Radim; Minamiya, Yukio; Moos, Jan Hendrik; Moreno, Gerardo; Morón-Ríos, Alejandro; Motohiro, Hasegawa; Muys, Bart; Neirynck, Johan; Norgrove, Lindsey; Novo, Marta; Nuutinen, Visa; Nuzzo, Victoria; Mujeeb, Rahman P.; Pansu, Johan; Paudel, Shishir; Pérès, Guénola; Pérez-Camacho, Lorenzo; Ponge, Jean-François; Prietzel, Jörg; Rapoport, Irina B.; Rashid, Muhammad Imtiaz; Rebollo, Salvador; Rodríguez, Miguel Á.; Roth, Alexander M.; Rousseau, Guillaume X.; Rozen, Anna; Sayad, Ehsan; Van Schaik, Loes; Scharenbroch, Bryant; Schirrmann, Michael; Schmidt, Olaf; Schröder, Boris; Seeber, Julia; Shashkov, Maxim P.; Singh, Jaswinder; Smith, Sandy M.; Steinwandter, Michael; Szlavecz, Katalin; Talavera, José Antonio; Trigo, Dolores; Tsukamoto, Jiro; Uribe-López, Sheila; Valença, Anne W. de; Virto Quecedo, Íñigo Upna Orcid; Wackett, Adrian A.; Warren, Matthew W.; Webster, Emily R.; Wehr, Nathaniel H.; Whalen, Joann K.; Wironen, Michael B.; Wolters, Volkmar; Wu, Pengfei; Zenkova, Irina V.; Zhang, Weixin; Cameron, Erin K.; Eisenhauer, Nico (Nature Research, 2021)   Artículo / Artikulua  OpenAccess
      Earthworms are an important soil taxon as ecosystem engineers, providing a variety of crucial ecosystem functions and services. Little is known about their diversity and distribution at large spatial scales, despite the ...
    • A global synthesis on the effects of forest thinning on hydrological processes: implications for forest management 

      Campo, Antonio D. del; Otsuki, Kyoichi; Serengil, Yusuf; Blanco Vaca, Juan Antonio Upna Orcid; Yousefpour, Rasoul; Wei, Xiaohua (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      Forest thinning can significantly affect hydrological processes. However, these effects largely vary with forest types, climate, thinning intensity, and hydrological variables of interest. Understanding these effects and ...
    • Glutathione-magnetite nanoparticles: synthesis and physical characterization for application as MRI contrast agent 

      Beato López, Juan Jesús Upna Orcid; Domínguez, M.; Ramírez del Solar, M.; Litrán, R. (Springer, 2020)   Artículo / Artikulua  OpenAccess
      In this work a one-pot synthesis of water soluble glutathione capped magnetite nanoparticles is reported. The magnetic characterization of the samples shows the expected superparamagnetic behavior, but a wide range of ...
    • Gold nanoparticles capped with a novel titanium(iv)-containing polyoxomolybdate cluster: selective and enhanced bactericidal effect against Escherichia coli 

      Paesa, Mónica; Almazán, Fernando; Yus Argón, Cristina; Sebastián, Víctor; Arruebo Gordo, Manuel; Gandía Pascual, Luis Upna Orcid; Reinoso, Santiago Upna Orcid; Pellejero, Ismael Upna Orcid; Mendoza, Gracia (Wiley, 2024)   Artículo / Artikulua  OpenAccess
      Bacterial infections are a public health threat of increasing concern in medical care systems; hence, the search for novel strategies to lower the use of antibiotics and their harmful effects becomes imperative. Herein, ...
    • Graphene oxide: key to efficient charge extraction and suppression of polaronic transport in hybrids with poly (3-hexylthiophene) nanoparticles 

      Colom, Eduardo; Hernández-Ferrer, Javier; Galán-González, Alejandro; Ansón-Casaos, Alejandro; Navarro-Rodríguez, Mario; Palacios-Lidón, Elisa; Colchero, Jaime; Padilla, Javier; Urbina Yeregui, Antonio; Arenal, Raúl; Benito, Ana M.; Maser, Wolfgang K. (American Chemical Society, 2023)   Artículo / Artikulua  OpenAccess
      Nanoparticles (NPs) of conjugated polymers in intimate contact with sheets of graphene oxide (GO) constitute a promising class of water-dispersible nanohybrid materials of increased interest for the design of sustainable ...
    • Green chitosan: thiourea dioxide cleaning gel for manganese stains on granite and glass substrates 

      Campos, Bruno; Marco, Alexandra; Cadeco, Guilhermina; Freire-Lista, David M.; Silvestre-Albero, Joaquín; Algarra González, Manuel; Vieira, Eduarda; Pintado, Manuela; Moreira, Patricia (Springer Nature, 2021)   Artículo / Artikulua  OpenAccess
      The cleaning or removal of manganese stains on Cultural Heritage has not been much tested or successful so far. The aim of this article was to assess a new green cleaning gel for Mn-rich black-blue stains on different ...
    • Growth performance and clinicopathological analyses in lambs repetitively inoculated with aluminum-hydroxide containing vaccines or aluminum-hydroxide only 

      Miguel, Ricardo de; Asín, Javier; Rodríguez Largo, Ana; Echeverría Garín, Irache Upna Orcid; Lacasta, Delia; Andrés Cara, Damián de Upna Orcid; Reina Arias, Ramsés Upna Orcid; Pinczowski, Pedro; Gimeno, Marina; Molín, Jéssica; Fernández, Antonio; Blas, Ignacio de; Pérez, Marta María; Luján, Lluís (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Aluminum (Al) hydroxide is an effective adjuvant used in sheep vaccines. However, Al-adjuvants have been implicated as potential contributors to a severe wasting syndrome in sheep— the so-called ovine autoimmune-inflammatory ...
    • Hábitos de uso de Internet en niños y niñas de 8 a 12 años: un estudio descriptivo 

      Peñalva Vélez, Alicia Upna Orcid; Napal Fraile, María Upna Orcid (Universidad Alas Peruanas, 2019)   Artículo / Artikulua  OpenAccess
      La irrupción de la Web 2.0 ha supuesto la aparición de nuevas formas de producir, distribuir, intercambiar y recibir información a través de medios electrónicos. En este contexto, es necesario alfabetizar a la población ...
    • Hardening of cobalt ferrite nanoparticles by local crystal strain release: implications for rare earth free magnets 

      Muzzi, Beatrice; Lottini, Elisabetta; Yaacoub, Nader; Peddis, Davide; Bertoni, Giovanni; Julián Fernández, César de; Sangregorio, Claudio; López Ortega, Alberto Upna Orcid (American Chemical Society, 2022)   Artículo / Artikulua  OpenAccess
      In this work, we demonstrate that the reduction of the local internal stress by a low-temperature solvent-mediated thermal treatment is an effective post-treatment tool for magnetic hardening of chemically synthesized ...
    • Herramientas de gamificación para el aprendizaje de ciencias de la tierra 

      De Soto García, I. S. Upna Orcid (Edutec. Asociación para el desarrollo de la tecnología educativa, 2018)   Artículo / Artikulua  OpenAccess
      El porcentaje de abandono escolar en España es superior al de otros países de la Unión Europea, lo que hace necesario fomentar el rendimiento del alumnado y su motivación. En este contexto, la gamificación tiene un futuro ...
    • Heterogeneous Fenton- and photo-Fenton-like catalytic degradation of emerging pollutants using Fe2O3/TiO2/pillared clays synthesized from aluminum industrial wastes 

      Cardona, Yaneth Upna Orcid; Wegrzyn, Agnieszka; Miskowiec, Pawel; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      The presence of emerging pollutants (EPs) in water is a major environmental concern. This study evaluates for the first time the removal of three EPs, namely triclosan (TCS), 2,6-dichlorophenol (2,6-DCP), and bisphenol A ...
    • High magnetic, transport, and optical uniaxial anisotropis generated by controlled directionally grown nano-sheets in Fe thin films 

      Favieres Ruiz, Cristina Upna Orcid; Vergara Platero, José Upna Orcid; Madurga Pérez, Vicente Upna Orcid (American Institute of Physics, 2023)   Artículo / Artikulua  OpenAccess
      Fe films with thicknesses between 17 and 95 nm were grown with a nano-sheet morphology, which enabled their high uniaxial magnetic, transport, and optical in-plane anisotropies. The top edge of the nano-sheets was directly ...
    • Highlighting complex long-term succession pathways in mixed forests of the Pacific Northwest: a Markov chain modelling approach 

      Blanco Vaca, Juan Antonio Upna Orcid; Lo, Yueh-Hsin Upna Orcid; Kimmins, J.P. (Hamish); Weber, Adrian (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Forest succession is an ecological phenomenon that can span centuries. Although the concept of succession was originally formulated as a deterministic sequence of different plant communities by F. Clements more than a ...
    • La huella litológica de los verracos vetones: análisis geoquímicos de las esculturas zoomorfas de la meseta nordoccidental 

      Soto García, Isabel Sonsoles de Upna Orcid; Manglano Valcárcel, Gregorio Ramón; Sánchez de Oro, Pablo; García Giménez, Rosario; Berrocal Rangel, Luis (Ediciones Universidad de Salamanca, 2023)   Artículo / Artikulua  OpenAccess
      Arqueológicamente, el término verraco se aplica a las esculturas zoomorfas vettonas que representan toros o cerdos. El pueblo vetón ocupó un espacio impreciso entre las cuencas de los ríos Tajo y Duero en la Península ...
    • Hybrid xerogels: study of the sol-gel process and local structure by vibrational spectroscopy 

      Cruz Quesada, Guillermo Upna Orcid; Espinal Viguri, Maialen Upna Orcid; López Ramón, María Victoria; Garrido Segovia, Julián José Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      The properties of hybrid silica xerogels obtained by the sol-gel method are highly dependent on the precursor and the synthesis conditions. This study examines the influence of organic substituents of the precursor on the ...
    • Hydrothermal liquefaction of biomass as one of the most promising alternatives for the synthesis of advanced liquid biofuels: a review 

      Grande López, Lucía Upna; Pedroarena Apezteguía, Iván Upna Orcid; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      The use of biofuels offers advantages over existing fuels because they come from renewable sources, they are biodegradable, their storage and transport are safer, and their emissions into the atmosphere are lower. Biomass ...
    • IAOx induces the SUR phenotype and differential signalling from IAA under different types of nitrogen nutrition in Medicago truncatula roots 

      Buezo Bravo, Javier Upna; Esteban Terradillos, Raquel; Cornejo Ibergallartu, Alfonso Upna Orcid; López Gómez, Pedro Upna Orcid; Marino Bilbao, Daniel Upna Orcid; Chamizo Ampudia, Alejandro Upna; Gil Idoate, María José Upna Orcid; Martínez Merino, Víctor Upna Orcid; Morán Juez, José Fernando Upna Orcid (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      Indole-3-acetaldoxime (IAOx) is a particularly relevant molecule as an intermediate in the pathway for tryptophan-dependent auxin biosynthesis. The role of IAOx in growth-signalling and root phenotype is poorly studied in ...
    • Identification of a Ni-vacancy defect in Ni-Mn-Z (Z = Ga, Sn, In): an experimental and DFT positron-annihilation study 

      Unzueta, Iraultza; Sánchez-Alarcos Gómez, Vicente Upna Orcid; Recarte Callado, Vicente Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Zabala, Nerea; García, José Ángel; Plazaola, Fernando (American Physical Society, 2019)   Artículo / Artikulua  OpenAccess
      By means of experimental positron-annihilation-lifetime measurements and theoretical density functional theory (DFT) positron-lifetime calculations, vacancy-type defects in Ni50Mn50−xSnx (x = 25, 20, 15, 13, 10) and ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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