Now showing items 1156-1175 of 2090

    • Label-free wavelength and phase detection based SMS fiber immunosensors optimized with cladding etching 

      Cardona-Maya, Yamile; Socorro Leránoz, Abián Bentor Upna; Del Villar, Ignacio Upna; Cruz, José Luis; Corres Sanz, Jesús María Upna; Botero-Cadavid, Juan F. (Elsevier, 2018)   Artículo / Artikulua
      The performance of E-SMS (Etched Singlemode-Multimode-Singlemode) optical fiber structures as immunosensors has been assessed by the implementation of antibody/antigen immunoassays. Through this procedure it has been ...
    • Laborodependencia: cuando el trabajo se convierte en adicción 

      Fernández-Montalvo, Javier Upna; Echeburúa, Enrique (Asociación Española de Psicología Clínica y PsicopatologíaUniversidad Nacional de Educación a Distancia, 1998)   Artículo / Artikulua  OpenAccess
      En este artículo se presenta una revisión de los principales aspectos implicados en la adicción al trabajo. Se conceptualiza este trastorno como una adicción psicológica y se exponen los aspectos psicopatológicos que lo ...
    • Labyrinth metasurface absorber for ultra-high-sensitivity terahertz thin film sensing 

      Jáuregui López, Irati; Rodríguez Ulibarri, Pablo Upna; Urrutia Azcona, Aitor Upna; Kuznetsov, Sergei A.; Beruete Díaz, Miguel Upna (Wiley, 2018)   Artículo / Artikulua  OpenAccess
      In this work, a labyrinth metasurface sensor operating at the low‐frequency edge of the THz band is presented. Its intricate shape leads to a high electric field confinement on the surface of the structure, resulting in ...
    • Labyrinth metasurface for biosensing applications: numerical study on the new paradigm of metageometries 

      Jáuregui López, Irati; Rodríguez Ulibarri, Pablo Upna; Kuznetsov, Sergei A.; Quemada Mayoral, Carlos; Beruete Díaz, Miguel Upna (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      The use of metasurfaces operating in the terahertz regime as biosensor devices has attracted increased interest in recent years due to their enhanced sensitivity and more accurate detection capability. Typical designs are ...
    • Lacanobia oleracea nucleopolyhedrovirus (LaolNPV): a new European species of alphabaculovirus with a narrow host range 

      Simón de Goñi, Oihane; Erlandson, Martin A.; Frayssinet, Marie; Williams, Trevor Upna; Theilmann, David A.; Volkoff, Anne Nathalie; Caballero Murillo, Primitivo Upna (Public Library of Science, 2017)   Artículo / Artikulua  OpenAccess
      During an insect sampling program in alfalfa crops near Montpellier, France in 2011, Lacanobia oleracea larvae were collected that died due to nucleopolyhedrovirus infection (LaolNPV). This virus was subjected to molecular ...
    • Lack of relationship between Visna/maedi infection and scrapie resistance genetic markers 

      Salazar, Eider; Berriatua, Eduardo; Pérez, Marta María; Marín, Belén; Acín, Cristina; Martín Burriel, Inmaculada; Reina Arias, Ramsés Upna; Andrés Cara, Damián de Upna; Amorena Zabalza, Beatriz Upna; Badiola, Juan José; Luján, Lluís (Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA), 2014)   Artículo / Artikulua  OpenAccess
      The relationship between Visna/maedi virus (VMV) antibody status and scrapie genetic resistance of 10,611 Rasa Aragonesa sheep from 17 flocks in Aragón (Spain) was investigated. The fifteen most common PRNP gene haplotypes and ...
    • Lack of the PGA exopolysaccharide in Salmonella as an adaptive trait for survival in the host 

      Echeverz Sarasúa, Maite Upna; García Martínez, Begoña Upna; Sabalza Baztán, Amaia; Valle Turrillas, Jaione Upna; Gabaldón Estevan, Juan Antonio; Solano Goñi, Cristina Upna; Lasa Uzcudun, Íñigo Upna (Public Library of Science, 2017)   Artículo / Artikulua  OpenAccess
      Many bacteria build biofilm matrices using a conserved exopolysaccharide named PGA or PNAG (poly-β-1,6-N-acetyl-D-glucosamine). Interestingly, while E. coli and other members of the family Enterobacteriaceae encode the ...
    • El lado oscuro de la mística masculina en una novela de Belén Gopegui 

      Barrera García, Consuelo Upna (Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 2008)   Artículo / Artikulua  OpenAccess
    • Land use change effects on carbon and nitrogen stocks in the Pyrenees during the last 150 years: a modelling approach 

      Lo, Yueh-Hsin Upna; Blanco Vaca, Juan Antonio Upna; Canals Tresserras, Rosa María Upna; González de Andrés, Ester Upna; San Emeterio Garciandía, Leticia Upna; Imbert Rodríguez, Bosco Upna; Castillo Martínez, Federico Upna (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      In the southern Pyrenees, human population and therefore land uses have changed from forests to pastures, then crops, and back to pastures and secondary forests during the last two centuries. To understand what such rapid ...
    • A large scale screening study with a SMR-based BCI: Categorization of BCI users and differences in their SMR activity 

      Sannelli, Claudia; Vidaurre, Carmen; Müller, Klaus Robert; Blankertz, Benjamin (Plos one, 2019)   Artículo / Artikulua  OpenAccess
      Brain-Computer Interfaces (BCIs) are inefficient for a non-negligible part of the population, estimated around 25%. To understand this phenomenon in Sensorimotor Rhythm (SMR) based BCIs, data from a large-scale screening ...
    • Larraineko toponimia 1832ko katastroaren arabera 

      Lopez-Mugartza Iriarte, Juan Karlos Upna (Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 2008)   Artículo / Artikulua  OpenAccess
    • The lattice of fitting classes which are right extensible by soluble groups 

      Iranzo, M.J.; Lafuente López, Julio Upna; Pérez Monasor, F. (Universidad Autónoma de Barcelona, Departamento de Matemáticas, 2005)   Artículo / Artikulua  OpenAccess
      In this paper we study the set of fitting classes which are right extensible by soluble groups ordered by the inclusion relation. The consideration of the associated lattices gives rise to new fitting classes and it allows ...
    • Leaf δ15N as a physiological indicator of the responsiveness of N2-fixing alfalfa plants to elevated CO2, temperature and low water availability 

      Ariz, Idoia Upna; Cruz, Cristina; Neves, Tomé; Irigoyen, Juan J.; García Olaverri, Carmen Upna; Nogués, Salvador; Aparicio Tejo, Pedro María Upna; Aranjuelo Michelena, Iker (Frontiers Media, 2015)   Artículo / Artikulua  OpenAccess
      The natural 15N/14N isotope composition (δ15N) of a tissue is a consequence of its N source and N physiological mechanisms in response to the environment. It could potentially be used as a tracer of N metabolism in plants ...
    • Learning by doing: the first Spanish nuclear power plant 

      Torre Campo, Joseba de la Upna; Rubio Varas, María del Mar Upna (Cambridge University Press, 2018)   Artículo / Artikulua  OpenAccess
      In the nuclear sector, turnkey projects can be considered an investment in obtaining information through “learning by doing” to capture rents from the next generation of reactors. As the first U.S. turnkey export project, ...
    • Least upper bounds of the powers extracted and scattered by bi-anisotropic particles 

      Liberal Olleta, Íñigo Upna; Ra´di, Younes; Gonzalo García, Ramón Upna; Ederra Urzainqui, Íñigo Upna; Tretyakov, Sergei A.; Ziolkowski, Richard W. (IEEE, 2014)   Artículo / Artikulua  OpenAccess
      The least upper bounds of the powers extracted and scattered by bi-anisotropic particles are investigated analytically. A rigorous derivation for particles having invertible polarizability tensors is presented, and the ...
    • Leaves play a central role in the adaptation of nitrogen and sulfur metabolism to ammonium nutrition in oilseed rape (Brassica napus) 

      Coleto, Inmaculada; Peña, Marlon de la; Rodríguez Escalante, Jon; Bejarano, Iraide; Glauser, Gaëtan; Aparicio Tejo, Pedro María Upna; González Moro, María B.; Marino Bilbao, Daniel Upna (BioMed Central, 2017)   Artículo / Artikulua  OpenAccess
      Background: The coordination between nitrogen (N) and sulfur (S) assimilation is required to suitably provide plants with organic compounds essential for their development and growth. The N source induces the adaptation of ...
    • La lectura digital en un aula de Secundaria: prácticas reales y dificultades del alumnado 

      López Flamarique, María Teresa Upna; Garro Larrañaga, Eneritz; Egaña Osa, Txema (Universidad de Sevilla, 2019)   Artículo / Artikulua  OpenAccess
      Este trabajo muestra y analiza las prácticas y dificultades de estudiantes de 4º de la ESO cuando utilizan internet en clase de Lengua para buscar información. Se trata de un estudio de caso en el que se ha registrado ...
    • Left-handed extraordinary optical transmission through a photonic crystal of subwavelength hole arrays 

      Beruete Díaz, Miguel Upna; Sorolla Ayza, Mario Upna; Campillo, Igor (Optical Society of America, 2006)   Artículo / Artikulua  OpenAccess
      Metamaterial structures are artificial materials that show unconventional electromagnetic properties such as photonic band-gap, extraordinary optical transmission and left-handed propagation. Up to now, relations of photonic ...
    • Los legados ordenados en testamento de hermandad 

      Hualde Manso, Teresa Upna (Gobierno de Navarra. Departamento de Presidencia, Justicia e Interior, 1999)   Artículo / Artikulua  OpenAccess
      Este artículo pretende arrojar luz sobre los orígenes y la fundamentación de la Ley 205 del Fuero Nuevo a la vez que intenta recoger algunos de los interrogantes que plantea su aplicación.
    • Legislación electoral y posibilidades participativas 

      Urdánoz Ganuza, Jorge Upna (Instituto Internacional de Sociología Jurídica de Oñati, 2017)   Artículo / Artikulua  OpenAccess
      El voto igual se configura como uno de los requisitos normativos básicos para considerar democrática una elección. Sin embargo, muchas veces se reduce a algo muy parecido a un ideal enfático, vacío de contenido. Aquí ...