• Subsampling OFDM-based ultrasonic data communication through metallic channels for monitoring of cargo containers 

      García Oya, José Ramón; Algueta-Miguel, Jose M. Upna Orcid; García Doblado, José; Muñoz Chavero, Fernando; Hidalgo Fort, Eduardo; Baena Lecuyer, Vicente; López Martín, Antonio Upna Orcid (IEEE, 2019)   Artículo / Artikulua  OpenAccess
      An enhanced ultrasonic communication system based on piezoelectric transducers for monitoring of goods in cargo containers is presented. The proposed system consists of several sensors placed inside the container, whose ...
    • Substance use disorder and lifetime suicidal behaviour: a scoping review 

      Leza, Leire Upna Orcid; Haro Escribano, Begoña Upna Orcid; López-Goñi, José Javier Upna Orcid; Fernández-Montalvo, Javier Upna (Elsevier, 2024)   Artículo / Artikulua  OpenAccess
      Background: Suicidal behaviours are prevalent in substance use disorder (SUD) patients. These behaviours have a negative impact on the psychopathological profile of these patients. However, few studies have evaluated ...
    • Substrate-integrated photonic doping for near-zero-index devices 

      Zhou, Ziheng; Li, Yue; Li, Hao; Sun, Wangyu; Liberal Olleta, Íñigo Upna Orcid; Engheta, Nader (Nature Research, 2019)   Artículo / Artikulua  OpenAccess
      Near-zero-index (NZI) media, a medium with near zero permittivity and/or permeability, exhibits unique wave phenomena and exciting potential for multiple applications. However, previous proof-of-concept realizations of NZI ...
    • Subtipos moleculares del cáncer de mama: implicaciones pronósticas y características clínicas e inmunohistoquímicas 

      Arrechea Irigoyen, María Asunción; Vicente García, Francisco; Córdoba Iturriagagoitia, Alicia; Ibáñez Beroiz, B. Upna Orcid; Santamaría Martínez, M.; Guillén Grima, Francisco Upna Orcid (Gobierno de Navarra, 2011)   Artículo / Artikulua  OpenAccess
      Fundamento. Los carcinomas de mama representan un grupo heterogéneo de tumores, tanto en su comportamiento clínico como pronóstico. El objetivo del presente trabajo es clasificar los carcinomas de mama en subtipos ...
    • Successful biocontrol of major postharvest and soil-borne plant pathogenic fungi by antagonistic yeasts 

      Fernández San Millán, Alicia Upna Orcid; Larraya Reta, Luis María Upna Orcid; Farrán Blanch, Inmaculada Upna Orcid; Ancín Rípodas, María Upna Orcid; Veramendi Charola, Jon Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      Fungal pathogens are the main biotic burden of productivity for economically important crops under field, greenhouse or postharvest conditions. The discovery and development of new environmental-friendly solutions, such ...
    • Sucrose synthase activity in the sus1/sus2/sus3/sus4 Arabidopsis mutant is sufficient to support normal cellulose and starch production 

      Baroja Fernández, Edurne Upna Orcid; Muñoz Pérez, Francisco José Upna; Li, Jun Upna; Bahaji, Abdellatif Upna Orcid; Almagro Zabalza, Goizeder Upna Orcid; Montero Macarro, Manuel Upna; Etxeberria, Ed Upna; Hidalgo Cruz, Maite; Sesma Pascual, María Teresa Upna; Pozueta Romero, Javier Upna Orcid (National Academy of Sciences, 2011)   Artículo / Artikulua  OpenAccess
      Sucrose synthase (SUS) catalyzes the reversible conversion of sucrose and a nucleoside diphosphate into the corresponding nucleoside diphosphate-glucose and fructose. In Arabidopsis, a multigene family encodes six SUS ...
    • Sugeno integral generalization applied to improve adaptive image binarization 

      Bardozzo, Francesco; Osa Hernández, Borja de la Upna; Horanská, Lubomíra; Fumanal Idocin, Javier Upna Orcid; Priscoli, Mattia delli; Troiano, Luigi; Tagliaferri, Roberto; Fernández Fernández, Francisco Javier Upna Orcid; Bustince Sola, Humberto Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      Classic adaptive binarization methodologies threshold pixels intensity with respect to adjacent pixels exploiting integral images. In turn, integral images are generally computed optimally by using the summed-area-table ...
    • Suicidal attempts among patients with substance use disorders who present with suicidal ideation 

      López-Goñi, José Javier Upna Orcid; Fernández-Montalvo, Javier Upna Orcid; Arteaga Olleta, Alfonso Upna Orcid; Haro Escribano, Begoña Upna Orcid (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      Background and aims: Patients with addictions have a great risk of suicidal ideation and attempts. Suicidal behaviour is a continuum that begins with ideation and may continue with planning, ...
    • Suicidal ideation and attempts among patients with lifetime physical and/or sexual abuse in treatment for substance use disorders 

      Fernández-Montalvo, Javier Upna Orcid; López-Goñi, José Javier Upna Orcid; Arteaga Olleta, Alfonso Upna Orcid; Haro Escribano, Begoña Upna Orcid (Taylor & Francis, 2019)   Artículo / Artikulua  OpenAccess
      Background: Several studies indicate that lifetime abuse is a relevant risk factor for suicidal ideation and/or attempts. However, little is known about this phenomenon in patients seeking treatment for substance use ...
    • Suicidal ideation and attempts in patients who seek treatment for substance use disorder 

      López-Goñi, José Javier Upna Orcid; Fernández-Montalvo, Javier Upna Orcid; Arteaga Olleta, Alfonso Upna Orcid; Haro Escribano, Begoña Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Patients with substance dependence have a great risk of suicidal ideation and attempts. The study of the specific risk characteristics of patients with substance use disorders who present with suicidal ideation and/or ...
    • Suitability of Totora (Schoenoplectus californicus (C.A. Mey.) Soják) for its use in constructed wetlands in areas polluted with heavy metals 

      Blanco Vaca, Juan Antonio Upna Orcid (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      Schoenoplectus californicus subsp. tatora (totora) is an endemic plant from wetlands in South America´s Altiplano region. In the endorheic Titicaca-Desaguadero-Poopó-Salar de Coipasa system (TDPS), totora can be found along ...
    • Sulfate soils stabilization with magnesium-based binders 

      Seco Meneses, Andrés Upna Orcid; Miqueléiz Jiménez, Luis Upna; Prieto Cobo, Eduardo Upna Orcid; Marcelino Sádaba, Sara Upna Orcid; García, Beñat; Urmeneta, Pablo (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      Sulfate soils' stabilization is a very interesting subject with technical, economic and environmental implications. The difficulty of their stabilization is due to the fact that the usual stabilizer additives are based ...
    • Sulphate soil stabilisation with magnesium binders for road subgrade construction 

      Seco Meneses, Andrés Upna Orcid; Castillo, Jesús María del Upna Orcid; Espuelas Zuazu, Sandra Upna Orcid; Marcelino Sádaba, Sara Upna Orcid; García, Beñat (Taylor and Francis, 2020)   Artículo / Artikulua  OpenAccess
      This paper analyzes the ability of magnesium oxide-based additives to stabilise a low bearing gypsum marly soil, in order to reach subgrade requirements. This soil was not adequate for stabilisation with lime or cement ...
    • Sunlight, culture and state capacity 

      Ezcurra Orayen, Roberto Upna Orcid (Wiley, 2023)   Artículo / Artikulua  OpenAccess
      This paper examines the impact of ultraviolet radiation (UV-R) on state capacity. The results indicate that the intensity of UV-R is a strong predictor of cross-country differences in state capacity. Countries with a higher ...
    • Super class AB RFC OTA using non-linear current mirrors 

      Garde Luque, María Pilar Upna Orcid; López Martín, Antonio Upna Orcid; Carvajal, Ramón G.; Galán, J.A.; Ramírez-Angulo, Jaime (Institution of Engineering and Technology, 2018)   Artículo / Artikulua  OpenAccess
      An alternative approach to the design of super class AB recycling folded cascode operational transconductance amplifiers is proposed. Instead of using local common-mode feedback for boosting dynamic currents, simple current ...
    • Super class AB RFC OTA with adaptive local common-mode feedback 

      Garde Luque, María Pilar Upna Orcid; López Martín, Antonio Upna Orcid; Carvajal, Ramón G.; Ramírez-Angulo, Jaime (Institution of Engineering and Technology, 2018)   Artículo / Artikulua  OpenAccess
      A super class AB recycling folded cascode operational transconductance amplifier is presented. It employs local common-mode feedback using two matched tuneable active resistors, allowing to adapt the amplifier to different ...
    • A super-family of transcriptional activators regulates bacteriophage packaging and lysis in Gram-positive bacteria 

      Quiles Puchalt, Nuria; Tormo Más, María Ángeles; Campoy Sánchez, Susana; Toledo Arana, Alejandro Upna Orcid; Monedero, Vicente; Lasa Uzcudun, Íñigo Upna Orcid; Novick, Richard P.; Christie, Gail E.; Penadés, José R. (Oxford University Press, 2013)   Artículo / Artikulua  OpenAccess
      The propagation of bacteriophages and other mobile genetic elements requires exploitation of the phage mechanisms involved in virion assembly and DNA packaging. Here, we identified and characterized four different families ...
    • Super-gain-boosted AB-AB fully differential Miller op-amp with 156dB open-loop gain and 174MV/V MHZ pF/uW figure of merit in 130nm CMOS technology 

      Paul, Anindita; Ramírez-Angulo, Jaime; Díaz Sánchez, Alejandro; López Martín, Antonio Upna Orcid; González Carvajal, Ramón; Li, Frank X. (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      A fully differential Miller op-amp with a composite input stage using resistive local common-mode feedback and regulated cascode transistors is presented here. High gain pseudo-differential auxiliary amplifiers are used ...
    • Super-oscillatory metalens at terahertz for enhanced focusing with reduced side lobes 

      Legaria Lerga, Santiago; Pacheco-Peña, Víctor Upna Orcid; Beruete Díaz, Miguel Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      In this paper, we design and numerically demonstrate an ultra-thin super-oscillatory metalens with a resolution below the diffraction limit. The zones of the lens are implemented using metasurface concepts with hexagonal ...
    • Super-resolution of Sentinel-2 images using convolutional neural networks and real ground truth data 

      Galar Idoate, Mikel Upna Orcid; Sesma Redín, Rubén Upna; Ayala Lauroba, Christian; Albizua, Lourdes; Aranda, Carlos (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Earth observation data is becoming more accessible and affordable thanks to the Copernicus programme and its Sentinel missions. Every location worldwide can be freely monitored approximately every 5 days using the ...

      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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