• Reaction monitoring by ultrasounds in a pseudohomogeneous medium: triglyceride ethanolysis for biodiesel production 

      Reyero Zaragoza, Inés Upna Orcid; Gandía Pascual, Luis Upna Orcid; Arzamendi Manterola, María Cruz Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      The sound propagation speed measurement us is used for monitoring triglyceride ethanol-ysis in a broad range of reaction conditions (mainly, temperature: 23–50◦C; ethanol/oil: from 6 to 24 mol/mol). Experimentally, us ...
    • Recognizing the importance of an urban soil in an open-air city museum: An opportunity in the city of Madrid, Spain 

      Jiménez-Ballesta, Raimundo; De Soto García, I. S. Upna Orcid; García-Navarro, Francisco Jesús; García Giménez, Rosario (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      This article examines the presence of urban soil buried under anthropogenic debris in an air-museum park in the Madrid city center (Spain), and highlights the particularities of this singular urbanized setting to indicate ...
    • Reducing SO₂ doses in red wines by using grape stem extracts as antioxidants 

      Esparza Catalán, Irene Upna; Martínez Inda, Blanca Upna; Cimminelli, María José Upna; Moler Cuiral, José Antonio Upna Orcid; Jiménez Moreno, Nerea Upna Orcid; Ancín Azpilicueta, Carmen Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      SO₂ is a very important wine preservative. However, there are several drawbacks associated with the use of SO₂ in wine. The aim of this work is to evaluate the effect of the partial substitution of SO₂ in the Tempranillo ...
    • The regulators of peroxisomal acyl-carnitine shuttle CROT and CRAT promote metastasis in melanoma 

      Lasheras Otero, Irene; Feliu, Iker; Maíllo Ruiz de Infante, Alberto; Moreno, Haritz; Redondo Muñoz, Marta; Aldaz Donamaría, Paula; Bocanegra Gondán, Ana Isabel; Olías Arjona, Ana; Lecanda, Fernando; Fernández Irigoyen, Joaquín Upna Orcid; Santamaría, Enrique; Larráyoz, Ignacio M.; Gómez Cabrero, David; Wellbrock, Claudia; Vicent, Silvestre; Arozarena Martinicorena, Imanol (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      Circulating tumor cells are the key link between a primary tumor and distant metastases, but once in the bloodstream, loss of adhesion induces cell death. To identify the mechanisms relevant for melanoma circulating tumor ...
    • Replication of small ruminant lentiviruses in aluminum hydroxide-induced granulomas in sheep: a potential new factor for viral dissemination 

      Echeverría Garín, Irache Upna Orcid; Miguel, Ricardo de; Asín, Javier; Rodríguez Largo, Ana; Fernández, Antonio; Pérez, Marta María; Andrés Cara, Damián de Upna Orcid; Luján, Lluís; Reina Arias, Ramsés Upna Orcid (American Society for Microbiology, 2021)   Artículo / Artikulua  OpenAccess
      Aluminum (Al)-based salts are widely used adjuvants in ruminants and other species to strengthen the immune response elicited against vaccine antigen(s). However, they can lead to the formation of long-lasting granulomas ...
    • Room temperature huge magnetocaloric properties in low hysteresis ordered Cu-doped Ni-Mn-In-Co alloys 

      La Roca, Paulo Matías Upna; López García, Javier Upna; Sánchez-Alarcos Gómez, Vicente Upna Orcid; Recarte Callado, Vicente Upna Orcid; Rodríguez-Velamazán, José Alberto; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid (Elsevier, 2022)   Artículo / Artikulua
      The reduction of the thermal hysteresis in first order magnetostructural transition is a determining factor to decrease energy losses and to improve the efficiency of magnetocaloric cooling based systems. In this work, a ...
    • Routes for enhanced magnetism in Ni-Mn-In metamagnetic shape memory alloys 

      López García, Javier Upna; Sánchez-Alarcos Gómez, Vicente Upna Orcid; Recarte Callado, Vicente Upna Orcid; Pérez de Landazábal Berganzo, José Ignacio Upna Orcid; Fabelo, O.; Cesari, Eduard; Rodríguez Velamazán, José Alberto (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      The authors provide in-depth physical insight into the enhancement of the magnetic properties of metamagnetic shape memory alloys produced by thermal treatment and cobalt doping. They use neutron scattering to study the ...
    • Saline slag waste as an aluminum source for the synthesis of Zn–Al–Fe–Ti layered double-hydroxides as catalysts for the photodegradation of emerging contaminants 

      Santamaría Arana, Leticia Upna Orcid; Vicente, Miguel Ángel; Korili, Sophia A. Upna Orcid; Gil Bravo, Antonio Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      In this work, aluminum extracted from saline slag waste is valorized to create a layered double-hydroxide series containing zinc and various proportions of aluminum/titanium. Materials were synthesized by the co-precipitation ...
    • The self-similarity properties and multifractal analysis of DNA sequences 

      Río Correa, J. L. del; López García, Javier Upna; Durán Meza, G. (UP4 Institute of Sciences, 2019)   Artículo / Artikulua  OpenAccess
      In this work is presented a pedagogical point of view of multifractal analysis deoxyribonucleic acid (DNA) sequences is presented. The DNA sequences are formed by 4 nucleotides (adenine, cytosine, guanine, and tymine). ...
    • Sensitivity of long-term productivity estimations in mixed forests to uncertain parameters related to fine roots. 

      Yeste Yeste, Antonio Upna Orcid; Seely, Brad; Imbert Rodríguez, Bosco Upna Orcid; Blanco Vaca, Juan Antonio Upna Orcid (Elsevier, 2024)   Artículo / Artikulua  OpenAccess
      Forest growth models are increasingly being used in forestry and ecology research as predictive tools to help developing practical guidelines and to improve understanding of the drivers of forest ecosystem functioning. ...
    • Separación electrostática de una emulsión de glicerina en biodiésel con aplicación de varios voltajes y distancias entre electrodos 

      Huangal, Sebastian; Cieza, Jaime L.; Gil Bravo, Antonio Upna Orcid (Centro de Información Tecnológica, 2019)   Artículo / Artikulua  OpenAccess
      Con el propósito de aplicar una tecnología limpia y de bajo consumo energético en la separación de emulsiones, se construyó un separador electrostático de 1,0 dm3. Se utilizaron electrodos de cobre rectangulares. Para los ...
    • Shear based gap control in 2D photonic quasicrystals of dielectric cylinders 

      Andueza Unanua, Ángel María Upna Orcid; Sevilla Moróder, Joaquín Upna Orcid; Pérez Conde, Jesús Upna Orcid; Wang, Kang (Optica, 2021)   Artículo / Artikulua  OpenAccess
      2D dielectric photonic quasicrystals can be designed to show isotropic band gaps. In this work we study a quasiperiodic lattice made of silicon dielectric cylinders (ε = 12) arranged as periodic unit cell based on a decagonal ...
    • A short review on the effect of Cr on the fcc-hcp phase transition in Fe-Mn-based alloys 

      Guerrero, L.M.; La Roca, Paulo Matías Upna; Malamud, M.F.; Baruj, A.; Sade, M. (Springer, 2020)   Artículo / Artikulua  OpenAccess
      The effect of Cr on the fcc–hcp martensitic transformation in the Fe–Mn–Cr system has been discussed considering different aspects: (a) the relative phase stabilities, (b) the magnetic order of the fcc phase, (c) ...
    • Short-term exposure to high atmospheric vapor pressure deficit (Vpd) severely impacts durum wheat carbon and nitrogen metabolism in the absence of edaphic water stress 

      Fakhet, Dorra; Morales Iribas, Fermín; Jáuregui Mosquera, Iván Upna Orcid; Erice, G.; Aparicio Tejo, Pedro María Upna Orcid; González Murua, Carmen; Aranjuelo Michelena, Iker Upna Orcid; Aroca, Ricardo; Irigoyen, Juan J. (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Low atmospheric relative humidity (RH) accompanied by elevated air temperature and decreased precipitation are environmental challenges that wheat production will face in future decades. These changes to the atmosphere are ...
    • SilvAdapt.Net: a site-based network of adaptive forest management related to climate change in Spain 

      Molina, Antonio J.; Navarro-Cerrillo, Rafael M.; Pérez-Romero, Javier; Alejano, Reyes; Bellot, Juan F.; Blanco Vaca, Juan Antonio Upna Orcid; Camarero, Jesús Julio; Carrara, Arnaud; Castillo, Víctor M.; Cervera, Teresa; Barberá, Gonzalo G.; González-Sanchis, María; Hernández, Álvaro; Imbert Rodríguez, Bosco Upna Orcid; Jiménez, María N.; Llorens, Pilar; Lucas Borja, Manuel Esteban; Moreno, Gerardo; Moreno-de las Heras, Mariano; Navarro, Francisco B.; Palacios, Guillermo; Palero, Noemí; Ripoll, María A.; Regüés, D.; Ruiz-Gómez, Francisco Javier; Vilagrosa, Alberto; Campo, Antonio D. del (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Adaptive forest management (AFM) is an urgent need because of the uncertainty regarding how changes in the climate will affect the structure, composition and function of forests during the next decades. Current research ...
    • Soil C/N ratios cause opposing effects in forests compared to grasslands on decomposition rates and stabilization factors in southern European ecosystems 

      Blanco Vaca, Juan Antonio Upna Orcid; Durán Lázaro, María Upna Orcid; Luquin, Josu; San Emeterio Garciandía, Leticia Upna Orcid; Yeste Yeste, Antonio Upna Orcid; Canals Tresserras, Rosa María Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      Soils store an important amount of carbon (C), mostly in the form of organic matter in different decomposing stages. Hence, understanding the factors that rule the rates at which decomposed organic matter is incorporated ...
    • Soil organic carbon monitoring to assess agricultural climate change adaptation practices in Navarre, Spain 

      Antón Sobejano, Rodrigo Upna; Arricibita Videgain, Javier; Ruiz Sagaseta de Ilurdoz, Alberto Upna; Enrique Martín, Alberto Upna Orcid; De Soto García, I. S. Upna Orcid; Orcaray Echeverría, Luis Upna Orcid; Zaragüeta, Armelle; Virto Quecedo, Íñigo Upna Orcid (Springer, 2021)   Artículo / Artikulua  OpenAccess
      Climate change adaptation strategies are needed for agriculture, one of the most vulnerable human activities. In Navarre, North of Spain, ongoing adaptive management practices were identified and promoted in the framework ...
    • Soil water retention and soil compaction assessment in a regional-scale strategy to improve climate change adaptation of agriculture in Navarre, Spain 

      Antón Sobejano, Rodrigo Upna; Ruiz Sagaseta de Ilurdoz, Alberto Upna; Orcaray Echeverría, Luis Upna Orcid; Arricibita Videgain, Javier; Enrique Martín, Alberto Upna Orcid; De Soto García, I. S. Upna Orcid; Virto Quecedo, Íñigo Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      The aim of this study was to evaluate the effectiveness of the different agricultural management adaptive strategies considered in the framework of a regional climate change adaptation roadmap in Navarre (Spain), from ...
    • Soybean inoculated with one bradyrhizobium strain isolated at elevated [CO2] show an impaired C and N metabolism when grown at ambient [CO2] 

      Soba Hidalgo, David Upna; Aranjuelo Michelena, Iker Upna Orcid; Gakière, Bertrand; Gilard, Françoise; Pérez López, Usue; Mena Petite, Amaia; Muñoz Rueda, Alberto; Lacuesta, Maite; Sanz Sáez, Álvaro (Frontiers Media, 2021)   Artículo / Artikulua  OpenAccess
      Soybean (Glycine max L.) future response to elevated [CO2] has been shown to differ when inoculated with B. japonicum strains isolated at ambient or elevated [CO2]. Plants, inoculated with three Bradyrhizobium strains ...
    • Stability and bioaccessibility of phenolic compounds in rosehip extracts during in vitro digestión 

      Odriozola-Serrano, Isabel; Pires Nogueira, Danielle; Esparza Catalán, Irene Upna; Vaz, Ana A.; Jiménez-Moreno, Nerea; Martín-Belloso, Olga; Ancín Azpilicueta, Carmen Upna Orcid (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      Rosehips, particularly dog rose fruits (Rosa canina L.), are a great source of antioxidant compounds, mainly phenolics. However, their health benefits directly depend on the bioaccessibility of these compounds affected by ...

      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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