• Fast capacity and internal resistance estimation method for second-life batteries from electric vehicles 

      Braco Sola, Elisa Upna; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      The success of second-life (SL) Li-ion batteries from electric vehicles is still conditioned by their technical and economic viability. The knowledge of the internal parameters of retired batteries at the repurposing stage ...
    • Fitness, physical activity and academic achievement in overweight/obese children 

      Cadenas-Sánchez, Cristina Upna Orcid; Migueles, Jairo H.; Esteban Cornejo, Irene; Mora González, Jose; Henriksson, Pontus; Rodríguez Ayllon, María; Molina García, Pablo; Löf, M.; Labayen Goñi, Idoia Upna Orcid; Hillman, Charles H.; Catena, Andrés; Ortega, Francisco B. (Taylor & Francis, 2020)   Artículo / Artikulua  OpenAccess
      The aim of this study was to examine the associations of fitness and physical activity with academic achievement in children with overweight/obesity. A total of 106 (10.0 ± 1.1y, 61 boys) children participated. The fitness ...
    • Fluorescent molecular beacons mimicking RNA secondary structures to study RNA chaperone activity 

      Menéndez Gil, Pilar; Caballero Sánchez, Carlos Upna; Solano Goñi, Cristina Upna Orcid; Toledo Arana, Alejandro Upna Orcid (Humana Press, 2020)   Capítulo de libro / Liburuen kapitulua  OpenAccess
      Molecular beacons (MBs) are oligonucleotide probes with a hairpin-like structure that are typically labelled at the 5′ and 3′ ends with a fluorophore and a quencher dye, respectively. The conformation of the MB acts as a ...
    • A food web approach reveals the vulnerability of biocontrol services by birds and bats to landscape modification at regional scale 

      Herrera, José M.; Silva, Bruno; Jiménez-Navarro, Gerardo; Barreiro, Silvia; Melguizo-Ruiz, Nereida; Moreira, Francisco; Vasconcelos, Sasha; Morgado, Rui; Rodríguez Pérez, Javier (Nature Research, 2021)   Artículo / Artikulua  OpenAccess
      Pest control services provided by naturally occurring species (the so-called biocontrol services) are widely recognized to provide key incentives for biodiversity conservation. This is particularly relevant for vertebrate-mediated ...
    • A frequency reconfigurable compact planar inverted-F antenna for portable devices 

      Ghaffar, Adnan; Altaf, Ahsan; Aneja, Aayush; Li, Xue Jun; Khan, Salahuddin; Alibakhshikenari, Mohammad; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Hindawi, 2022)   Artículo / Artikulua  OpenAccess
      In this paper, a low-profile, compact size, inexpensive, and easily integrable frequency reconfigurable antenna system is proposed. The proposed antenna consists of an inverted-F shape antenna, capacitors, and switching ...
    • Fuzzy logic-based energy management system design for residential grid-connected microgrids 

      Arcos Avilés, Diego; Pascual Miqueleiz, Julio María Upna Orcid; Marroyo Palomo, Luis Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Guinjoan Gispert, Francesc (IEEE, 2018)   Artículo / Artikulua  OpenAccess
      This paper presents the design of a low complexity fuzzy logic controller of only 25-rules to be embedded in an energy management system for a residential grid-connected microgrid including renewable energy sources and ...
    • Gas sensor based on lossy mode resonances by means of thin graphene oxide films fabricated onto planar coverslips 

      Vitoria Pascual, Ignacio Upna Orcid; Gallego Martínez, Elieser Ernesto; Melendi Espina, Sonia; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Matías Maestro, Ignacio Upna Orcid (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      The use of planar waveguides has recently shown great success in the field of optical sensors based on the Lossy Mode Resonance (LMR) phenomenon. The properties of Graphene Oxide (GO) have been widely exploited in various ...
    • Generalized approach to quantum interference in lossy N-port devices via a singular value decomposition 

      Hernández Martínez, Osmery; Liberal Olleta, Íñigo Upna Orcid (Optica, 2022)   Artículo / Artikulua  OpenAccess
      Modeling quantum interference in the presence of dissipation is a critical aspect of quantum technologies. Including dissipation into the model of a linear device enables for assessing the detrimental impact of photon loss, ...
    • Generative adversarial networks for bitcoin data augmentation 

      Zola, Francesco; Bruse, Jan Lukas; Etxeberria Barrio, Xabier; Galar Idoate, Mikel Upna Orcid; Orduna Urrutia, Raúl Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In Bitcoin entity classification, results are strongly conditioned by the ground-truth dataset, especially when applying supervised machine learning approaches. However, these ground-truth datasets are frequently affected ...
    • Geometric multigrid methods for Darcy–Forchheimer flow in fractured porous media 

      Arrarás Ventura, Andrés Upna Orcid; Gaspar, F. J.; Portero Egea, Laura Upna Orcid; Rodrigo, C. (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      In this paper, we present a monolithic multigrid method for the efficient solution of flow problems in fractured porous media. Specifically, we consider a mixed-dimensional model which couples Darcy flow in the porous ...
    • Grape stems as preservative in Tempranillo wine 

      Pires Nogueira, Danielle; Jiménez Moreno, Nerea Upna Orcid; Esparza Catalán, Irene Upna; Moler Cuiral, José Antonio Upna Orcid; Ancín Azpilicueta, Carmen Upna Orcid (2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      SO2 is the most widely used preservative in the wine industry. However, there are several drawbacks related with the use of SO2 in wine, such as, its toxicity and the unpleasant odor in case of excess [1]. These reasons ...
    • 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 ...
    • Grid integration of large-scale PV plants 

      Parra Laita, Íñigo de la Upna Orcid (2015)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Over the last few years, the considerable increase in the number of multi-MW PV plants has led transmission system operators (TSO) to express concern over potential PV power fluctuations caused by transient clouds. As a ...
    • Hand-as-a-prop: using the hand as a haptic proxy for manipulation in virtual reality 

      Marichal Baráibar, Sebastián Roberto; Ezcurdia Aguirre, Íñigo Fermín Upna Orcid; Morales González, Rafael; Ortiz Nicolás, Amalia; Marzo Pérez, Asier Upna Orcid; Ardaiz Villanueva, Óscar Upna Orcid (Springer, 2023)   Artículo / Artikulua  OpenAccess
      Haptic feedback can be almost as important as visual information in virtual reality environments. On the one hand, in Active Haptic Feedback, specialized devices such as vibrotactile gloves are employed; however, these ...
    • Hepatocyte-specific loss of GPS2 in mice reduces non-alcoholic steatohepatitis via activation of PPARα 

      Liang, Ning; Damdimopoulos, Anastasius; Goñi Irigoyen, Saioa Upna Orcid; Huang, Zhiqiang; Vedin, Lise-Lotte; Jakobsson, Tomas; Giudici, Marco; Ahmed, Osman; Pedrelli, Matteo; Barilla, Serena; Alzaid, Fawaz; Mendoza, Arturo; Schröder, Tarja; Kuiper, Raoul; Parini, Paolo; Hollenberg, Anthony; Lefebvre, Philippe; Francque, Sven; Van Gaal, Luc; Staels, Bart; Venteclef, Nicolas; Treuter, Eckardt; Fan, Rongrong (Nature Research, 2019)   Artículo / Artikulua  OpenAccess
      Obesity triggers the development of non-alcoholic fatty liver disease (NAFLD), which involves alterations of regulatory transcription networks and epigenomes in hepatocytes. Here we demonstrate that G protein pathway ...
    • High temperature and water deficit cause epigenetic changes in somatic plants of Pinus radiata D. Don 

      Marqués do Nascimento, Antonia Maiara; Montalbán, Itziar A.; Llamazares de Miguel, Diego; Goicoa Mangado, Tomás; Ugarte Martínez, María Dolores Upna Orcid; Moncaleán, Paloma (Springer, 2022)   Artículo / Artikulua  OpenAccess
      Current climate changes imply an imminent risk for forest species. In this context, somatic embryogenesis is a valuable tool to study the response of plants to different abiotic stresses. Based on this, we applied a ...
    • High-gain metasurface in polyimide on-chip antenna based on CRLH-TL for sub-terahertz integrated circuits 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Nature Research, 2020)   Artículo / Artikulua  OpenAccess
      This paper presents a novel on-chip antenna using standard CMOS-technology based on metasurface implemented on two-layers polyimide substrates with a thickness of 500 μm. The aluminium ground-plane with thickness of 3 μm ...
    • High-gain on-chip antenna design on silicon layer with aperture excitation for terahertz applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Khalily, Mohsen; See, Chan H.; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      This letter investigates the feasibility of designing a high gain on-chip antenna on silicon technology for subterahertz applications over a wide-frequency range. High gain is achieved by exciting the antenna using an ...
    • High-isolation antenna array using SIW and realized with a graphene layer for sub-terahertz wireless applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Salekzamankhani, Shahram; Aïssa, Sonia; See, Chan H.; Soin, Navneet; Fishlock, Sam J.; Althuwayb, Ayman Abdulhadi; Abd-Alhameed, Raed; Huynen, Isabelle; McLaughlin, James A.; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Nature Research, 2021)   Artículo / Artikulua  OpenAccess
      This paper presents the results of a study on developing an effective technique to increase the performance characteristics of antenna arrays for sub-THz integrated circuit applications. This is essential to compensate the ...
    • High-isolation leaky-wave array antenna based on CRLH-metamaterial implemented on SIW with ±30° frequency beam-scanning capability at millimetre-waves 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      The paper presents a feasibility study on the design of a new metamaterial leaky-wave antenna (MTM-LWA) used in the construction of a 1 × 2 array which is implemented using substrate-integrated waveguide (SIW) technology ...

      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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