• Depletion of the heaviest stable N isotope is associated with NH4+/NH3 toxicity in NH4+-fed plants 

      Ariz, Idoia Upna Orcid; Cruz, Cristina; Morán Juez, José Fernando Upna Orcid; González Moro, María Begoña; García Olaverri, Carmen Upna Orcid; González Murua, Carmen; Martins Loucao, María A.; Aparicio Tejo, Pedro María Upna Orcid (BioMed Central, 2011)   Artículo / Artikulua  OpenAccess
      Background: In plants, nitrate (NO3-) nutrition gives rise to a natural N isotopic signature (δ15N), which correlates with the δ15N of the N source. However, little is known about the relationship between the δ15N of the ...
    • Desigualdades socioeconómicas en la mortalidad en Pamplona y Logroño en el periodo 1996-2007 

      Izco Goñi, N.; Etxeberria Andueza, Jaione Upna Orcid; Delfrade Osinaga, J. Upna; Floristan, Y.; Moreno Iribas, C. (Gobierno de Navarra. Departamento de Salud, 2013)   Artículo / Artikulua  OpenAccess
      Fundamento. Describir las desigualdades en mortalidad en Logroño y Pamplona, ciudades del norte de España, utilizando un indicador de privación socioeconómica por secciones censales. Métodos. Para geocodificar la ...
    • The DNA load of six high-risk human papillomavirus types and its association with cervical lesions 

      Río Ospina, Luisa del; Soto de León, Sara; Camargo, Milena; Moreno Pérez, Darwin Andrés; Sánchez, Ricardo; Pérez Prados, Antonio Upna Orcid; Patarroyo, Manuel Elkin; Patarroyo, Manuel Alfonso (BioMed Central, 2015)   Artículo / Artikulua  OpenAccess
      Background: Analysing human papillomavirus (HPV) viral load is important in determining the risk of developing cervical cancer (CC); most knowledge to date regarding HPV viral load and cervical lesions has been related to ...
    • The effect of changing temperature and agar concentration at proliferation stage in the final success of Aleppo pine somatic embryogenesis 

      Pereira, Catia; Montalbán, Itziar A.; Goicoa Mangado, Tomás Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid; Correia, Sandra; Canhoto, Jorge M.; Moncaleán, Paloma (Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA), 2017)   Artículo / Artikulua  OpenAccess
      Aim of the study: The effect of physical and chemical conditions at proliferation stage was evaluated in order to elucidate if this stage is the determinant phase to induce a marked effect in Pinus halepensis somatic ...
    • Electric vehicles in logistics and transportation: a survey on emerging environmental, strategic, and operational challenges 

      Juan Pérez, Ángel Alejandro; Méndez, Carlos Alberto; Faulín Fajardo, Javier Upna Orcid; Armas, Jesica de; Grasman, Scott Erwin Upna (MDPI, 2016)   Artículo / Artikulua  OpenAccess
      Current logistics and transportation (L&T) systems include heterogeneous fleets consisting of common internal combustion engine vehicles as well as other types of vehicles using “green” technologies, e.g., plug-in ...
    • Estimating unemployment in very small areas 

      Ugarte Martínez, María Dolores Upna Orcid; Goicoa Mangado, Tomás Upna Orcid; Militino, Ana F. Upna Orcid; Sagaseta López, M. Upna (Institut d'Estadística de Catalunya-IDESCAT, 2009)   Artículo / Artikulua  OpenAccess
      In the last few years, European countries have shown a deep interest in applying small area techniques to produce reliable estimates at county level. However, the specificity of every European country and the heterogeneity ...
    • Evaluation of grape stems and grape stem extracts for sulfur dioxide replacement during grape wine production 

      Pires Nogueira, Danielle; Jiménez Moreno, Nerea Upna Orcid; Esparza Catalán, Irene Upna; Moler Cuiral, José Antonio Upna Orcid; Ferreira-Santos, Pedro; Sagüés Sarasa, Ana; Teixeira, José António; Ancín Azpilicueta, Carmen Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      Sulfur dioxide (SO2), the main preservative in wine, may affect the sensory properties of the wines, as well as cause allergic reactions and headaches in sensitive people. The aim of this work was to evaluate the replacement ...
    • Horizontal collaboration in freight transport: concepts, benefits and environmental challenges 

      Serrano Hernández, Adrián Upna Orcid; Juan Pérez, Ángel Alejandro; Faulín Fajardo, Javier Upna Orcid; Pérez Bernabeu, Elena (Institut d'Estadística de Catalunya, 2017)   Artículo / Artikulua  OpenAccess
      Since its appearance in the 1990s, horizontal collaboration (HC) practices have revealed them-selves as catalyzers for optimizing the distribution of goods in freight transport logistics. After introducing the main concepts ...
    • Human papillomavirus detection from human immunodeficiency virus-infected Colombian women’s paired urine and cervical samples 

      Muñoz, Marina Upna; Camargo, Milena; Soto de León, Sara; Sánchez, Ricardo; Parra, Diana; Pineda Peña, Andrea; Sussmann, Otto; Pérez Prados, Antonio Upna Orcid; Patarroyo, Manuel Elkin; Patarroyo, Manuel Alfonso (Public Library of Science, 2013)   Artículo / Artikulua  OpenAccess
      Infection, coinfection and type-specific human papillomavirus (HPV) distribution was evaluated in human immunodeficiency virus (HIV)-positive women from paired cervical and urine samples. Paired cervical and urine samples ...
    • Human papillomavirus detection in women with and without human immunodeficiency virus infection in Colombia 

      Camargo, Milena; Soto de León, Sara; Muñoz, Marina Upna; Sánchez, Ricardo; Peña-Herrera, Diego; Pineda Peña, Andrea; Sussmann, Otto; Paez, Carol; Pérez Prados, Antonio Upna Orcid; Patarroyo, Manuel Elkin; Patarroyo, Manuel Alfonso (BioMed Central, 2014)   Artículo / Artikulua  OpenAccess
      Background: HIV infection leads to a decreasing immune response, thereby facilitating the appearance of other infections, one of the most important ones being HPV. However, studies are needed for determining associations ...
    • Improving the quality of satellite imagery based on ground-truth data from rain gauge stations 

      Militino, Ana F. Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid; Pérez Goya, Unai Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      Multitemporal imagery is by and large geometrically and radiometrically accurate, but the residual noise arising from removal clouds and other atmospheric and electronic effects can produce outliers that must be mitigated ...
    • Intensidade tecnológica e sistemas de trabalho de alto desempenho 

      García Olaverri, Carmen Upna Orcid; Larraza Kintana, Martín Upna Orcid; Urtasun Alonso, Ainhoa Upna Orcid (Fundaçao Getulio Vargas, 2004)   Artículo / Artikulua  OpenAccess
      The paper examines the moderating effect that the technological intensity of the environment in which the firm operates exerts in the High Performance Work Systems (HPWS) - firm's operational performance relationship. We ...
    • Intermuscular coherence between homologous muscles during dynamic and static movement periods of bipedal squatting 

      Kenville, Rouven; Maudrich, Tom; Vidaurre, Carmen Upna Orcid; Maudrich, Dennis; Villringer, Arno; Ragert, Patrick; Nikulin, Vadim V. (American Physiological Society, 2020)   Artículo / Artikulua  OpenAccess
      Coordination of functionally coupled muscles is a key aspect of movement execution. Demands on coordinative control increase with the number of involved muscles and joints, as well as with differing movement periods within ...
    • 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 Orcid; Cruz, Cristina; Neves, Tomé; Irigoyen, Juan J.; García Olaverri, Carmen Upna Orcid; Nogués, Salvador; Aparicio Tejo, Pedro María Upna Orcid; Aranjuelo Michelena, Iker Upna Orcid (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 ...
    • Metodo estatistikoak saiakera klinikoetan 

      Galbete Jiménez, Arkaitz Upna Orcid (Universidad del País Vasco, 2014)   Artículo / Artikulua  OpenAccess
      Saiakera klinikoak esperimentu estatistikoen artean kasu bereziak dira bere sekuentzia egiturarengatik eta saiakeraren unitateak gizakiak direlako. Honek erregulazio zorrotza eskatzen du eta datuen biltze eta tratatze ...
    • Modelado de la atención en consulta externa en un hospital público: una herramienta de gestión 

      Gáfaro Rojas, Aurora Inés; Mallor Giménez, Fermín Upna Orcid; Azcárate Camio, Cristina Upna Orcid (Pontificia Universidad Javeriana (Colombia), 2014)   Artículo / Artikulua  OpenAccess
      Problema: aunque se dispone de herramientas que pueden apoyar la planificación de las actividades asistenciales, hasta el momento no existe una distribución de los servicios de atención en salud cuya estructura orgánica ...
    • Modelo de regresión de Cox de la pérdida auditiva en trabajadores expuestos a ruido y fluidos de mecanizado o humos metálicos 

      Conte Soriano, Juan Carlos; Domínguez, A.; García Felipe, Ana Isabel; Rubio Aranda, Encarnación; Pérez Prados, Antonio Upna Orcid (Gobierno de Navarra, 2010)   Artículo / Artikulua  OpenAccess
      Fundamento. Los trabajos sobre pérdida auditiva laboral se han centrado clásicamente en el estudio del ruido como causa principal. En la rama del metal es muy común la presencia de contaminantes físicos y químicos. En ...
    • Motor unit action potential duration, I: variability of manual and automatic measurements 

      Rodríguez Carreño, Ignacio Upna; Gila Useros, Luis; Malanda Trigueros, Armando Upna Orcid; García Gurtubay, Ignacio; Mallor Giménez, Fermín Upna Orcid; Gómez Elvira, Sagrario Upna; Rodríguez Falces, Javier Upna Orcid; Navallas Irujo, Javier Upna Orcid (Lippincott, Williams & Wilkins, 2007)   Artículo / Artikulua  OpenAccess
      To analyze the variability in manual measurements of motor unit action potential (MUAP) duration and to evaluate the effectiveness of well-known algorithms for automatic measurement. Two electromyographists carried out ...
    • Motor unit action potential duration, II: a new automatic measurement method based on the wavelet transform 

      Rodríguez Carreño, Ignacio Upna; Gila Useros, Luis; Malanda Trigueros, Armando Upna Orcid; García Gurtubay, Ignacio; Mallor Giménez, Fermín Upna Orcid; Gómez Elvira, Sagrario Upna; Rodríguez Falces, Javier Upna Orcid; Navallas Irujo, Javier Upna Orcid (Lippincott, Williams & Wilkins, 2007)   Artículo / Artikulua  OpenAccess
      To present and evaluate a new algorithm, based on the wavelet transform, for the automatic measurement of motor unit action potential (MUAP) duration. A total of 240 MUAPs were studied. The waveform of each MUAP was ...
    • Un nuevo algoritmo en programación signomial 

      Allueva, A.; Pérez Prados, Antonio Upna Orcid (Sociedad Española de Estadística e Investigación Operativa, 1992)   Artículo / Artikulua  OpenAccess
      La técnica de programación geométrica resuelve problemas no lineales en los que tanto la función objetivo como las restricciones son expresiones posinomiales con coeficientes positivos. La teoría de programación signomial ...

      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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