Now showing items 1-20 of 167

    • Valorization of onion waste by obtaining extracts rich in phenolic compounds and feasibility of its therapeutic use on colon cancer 

      Paesa, Mónica; Pires Nogueira, Danielle; Velderrain-Rodríguez, Gustavo; Esparza Catalán, Irene Upna; Jiménez Moreno, Nerea Upna Orcid; Mendoza, Gracia; Osada, Jesús; Martin-Belloso, Olga; Rodríguez Yoldi, María Jesús; Ancín Azpilicueta, Carmen Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      In this study, the total phenolic content, the antioxidant and antiproliferative activities of onion waste extracts were characterized. Some phenolic compounds present in the extracts were also identified and quantified ...
    • A comprehensive survey on 'circular polarized antennas' for existing and emerging wireless communication technologies 

      Nadeem, Iram; Alibakhshikenari, Mohammad; Babaeian, Fatemeh; Althuwayb, Ayman Abdulhadi; Virdee, Bal S.; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Khan, Salahuddin; Huynen, Isabelle; Falcone Lanas, Francisco Javier Upna Orcid; Denidni, Tayeb A.; Limiti, Ernesto (IOP Publishing, 2022)   Artículo / Artikulua  OpenAccess
      Circular polarized (CP) antennas are well suited for long-distance transmission attainment. In order to be adaptable for beyond 5G communication, a detailed and systematic investigation of their important conventional ...
    • Analysis of low power wide area network wireless technologies in smart agriculture for large-scale farm monitoring and tractor communications 

      Klaina, Hicham; Picallo Guembe, Imanol Upna Orcid; López Iturri, Peio Upna Orcid; Campo Bescós, Miguel Ángel; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Aghzout, Otman; Vázquez Alejos, Ana; Falcone Lanas, Francisco Javier Upna Orcid (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      In this paper, the assessment of multiple scenario cases for large-scale farm monitoring using Low-Power Wide-Area Network (LPWAN) based near-ground sensor nodes with the interaction of both tractors and farmers are ...
    • Effect of high-hydrostatic pressure processing and sous-vide cooking on physicochemical traits of biceps femoris veal patties 

      Janardhanan , Rasmi; Virseda Chamorro, Paloma Upna Orcid; Huerta Leidenz, Nelson; Beriain Apesteguía, María José Upna Orcid (Elsevier Applied Science, 2022)   Artículo / Artikulua  OpenAccess
      The effects of non-thermal, high-hydrostatic-pressure processing (HPP) and its combination with sous vide cooking technique (HPP-SVCOOK) on physicochemical traits of veal patties elaborated with top sirloin caps (Biceps ...
    • Equivalency of four research-grade movement sensors to assess movement behaviors and its implications for population surveillance 

      Migueles, Jairo H.; Molina García, Pablo; Torres-López, Lucia V.; Cadenas-Sánchez, Cristina Upna Orcid; Rowlands, Alex V.; Ebner-Priemer, Ulrich W.; Koch, Elena D.; Reif, Andreas; Ortega, Francisco B. (Springer Nature, 2022)   Artículo / Artikulua  OpenAccess
      The benefits of physical activity (PA) and sleep for health, accurate and objective population-based surveillance is important. Monitor-based surveillance has potential, but the main challenge is the need for replicable ...
    • Survival of frail elderly with delirium 

      Cano-Escalera, Guillermo; Graña, Manuel; Irazusta, Jon; Labayen Goñi, Idoia Upna Orcid; Besga, Ariadna (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      This study aims to determine when frailty increases the risks of delirium mortality. Hospital patients falling into the elderly frail or pre-frail category were recruited, some without delirium, some with delirium at ...
    • Three-dimensional finite element modelling of sheet metal forming for the manufacture of pipe components: symmetry considerations 

      Bhujangrao, Trunal; Veiga Suárez, Fernando Upna Orcid; Penalva Oscoz, Mariluz; Costas, Adriana; Ruiz, Cristina Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      The manufacture of parts by metal forming is a widespread technique in sectors such as oil and gas and automotives. It is therefore important to make a research effort to know the correct set of parameters that allow the ...
    • Novel method for an optimised calculation of the cross-sectional distribution of live loads on girder bridge decks 

      Gaute-Alonso, Álvaro; Garcia Sánchez, David; Calderón Uriszar-Aldaca, Íñigo Upna Orcid; Lopez Castillo, Claudio (Czech Technical University, 2022)   Artículo / Artikulua  OpenAccess
      One of the main goals in the design of girder bridge deck systems is to determine the cross-sectional distribution of live loads across the different girders that make up the cross-section of the deck. Structural grillage ...
    • Wealth inequality in pre-industrial England: a long-term view (late thirteenth to sixteenth centuries) 

      Alfani, Guido; García Montero, Héctor Upna Orcid (Economic History Society, 2022)   Artículo / Artikulua  OpenAccess
      This article provides an overview of wealth inequality in England from the late thirteenth to the sixteenth century, based on a novel database of distributions of taxable household wealth across 17 counties plus London. ...
    • A multi-object grasp technique for placement of objects in virtual reality 

      Fernández Ortega, Unai Javier; Elizondo Martinez, Sonia; Iriarte Cárdenas, Naroa; Morales, Rafael; Ortiz Nicolás, Amalia; Marichalar Baraibar, Sebastian Roberto; Ardaiz Villanueva, Óscar Upna Orcid; Marzo Pérez, Asier (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      Some daily tasks involve grasping multiple objects in one hand and releasing them in a determined order, for example laying out a surgical table or distributing items on shelves. For training these tasks in Virtual Reality ...
    • A compact CPW-fed ultra-wideband multi-input-multi-output (mimo) antenna for wireless communication networks 

      Ahmad, Sarosh; Khan, Shahid; Manzoor, Bilal; Soruri, Mohammad; Alibakhshikenari, Mohammad; Dalarsson, Mariana; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2022)   Artículo / Artikulua  OpenAccess
      In this article, a compact coplanar waveguide (CPW) technique based ultra-wideband multiple-input-multiple-output (MIMO) antenna is proposed. The design is characterized by a broad impedance bandwidth starting from 3 GHz ...
    • 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 ...
    • Enabling intelligent and interactive immersion in smart environments 

      Al-Rahamneh, Anas (2022)   Tesis doctoral / Doktoretza tesia  OpenAccess
      In recent years, the Smart City concept has grown in popularity, and a significant number of cities around the world have adopted smart city strategies. Smart and sustainable cities are an emerging urban development approach ...
    • Understanding the formation of Al13 and Al30 polycations to the development of microporous materials based on Al13-and Al30-PILC montmorillonites: a review 

      Cardona, Yaneth Upna Orcid; Gil Bravo, Antonio Upna Orcid; Korili, Sophia A. Upna Orcid (Elsevier, 2021)   Artículo / Artikulua
      Hydrolysis of aluminum cations (Al3+), the third most abundant metal in the Earth’s crust, is considered relevant in many academic fields, including materials science and chemical engineering. AlIII -polycations and ...
    • Electric vehicle routing, arc routing, and team orienteering problems in sustainable transportation 

      Carmo Martins, Leandro do; Tordecilla, Rafael D.; Castaneda, Juliana; Juan, Ángel A.; Faulín Fajardo, Javier Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      The increasing use of electric vehicles in road and air transportation, especially in last-mile delivery and city mobility, raises new operational challenges due to the limited capacity of electric batteries. These limitations ...
    • Robust tolerance design of bandpass filter with improved frequency response for Q-band satellite applications 

      Sami, Abdul Upna; Teberio Berdún, Fernando Upna Orcid; Miranda Santafé, Luis Upna; Arnedo Gil, Israel Upna Orcid; Martín Iglesias, Petronilo; Benito Pertusa, David Upna Orcid; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid; Arregui Padilla, Iván Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      A rectangular waveguide bandpass filter for Q-band with simple fabrication is proposed in this letter. The design is based on the use of the first passband replica of commensurate-line stepped-impedance structures and ...
    • Cytokinins are involved in drought tolerance of Pinus radiata plants originating from embryonal masses induced at high temperatures 

      Castander Olarieta, Ander; Moncaleán, Paloma; Pereira, Catia; Pěnčík, A.; Petřík, I.; Pavlović, I.; Novák, Ondrej; Strnad,Miroslav; Goicoa Mangado, Tomás Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid; Montalbán, Itziar A. (Oxford University Press, 2021)   Artículo / Artikulua  OpenAccess
      Vegetative propagation through somatic embryogenesis is an effective method to produce elite varieties and can be applied as a tool to study the response of plants to different stresses. Several studies show that environmental ...
    • Experimental assessment of first- and second-life electric vehicle batteries: performance, capacity dispersion, and aging 

      Braco Sola, Elisa Upna; San Martín Biurrun, Idoia Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      Nowadays, the reuse of electric vehicle batteries is considered to be a feasible alternative to recycling, as it allows them to benefit from their remaining energy capacity and to enlarge their lifetime. Stationary ...
    • Microdrilled tapers to enhance optical fiber lasers for sensing 

      Pérez Herrera, Rosa Ana Upna Orcid; Bravo Acha, Mikel Upna Orcid; Roldán Varona, Pablo; Leandro González, Daniel Upna Orcid; Rodríguez Cobo, L.; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (Nature Research, 2021)   Artículo / Artikulua  OpenAccess
      In this work, an experimental analysis of the performance of different types of quasi-randomly distributed reflectors inscribed into a single-mode fiber as a sensing mirror is presented. These artificially-controlled ...
    • A metasurface-based single-layered compact AMC-backed dual-band antenna for off-body IoT devices 

      Ahmad, Sarosh; Paracha, Kashif Nisar; Sheikh, Yawar Ali; Ghaffar, Adnan; Butt, Arslan Dawood; Alibakhshikenari, Mohammad; Soh, Ping Jack; Khan, Salahuddin; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      In this article, a compact printed monopole dual-band antenna using artificial magnetic conductor (AMC)-plane with improved gain and broader bandwidth, applicable for off-body internet of things (IoT) devices is presented. ...