Now showing items 21-40 of 96

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      Chemical signatures in fin spine edge of Atlantic bluefin tuna (Thunnus thynnus) can serve as habitat markers of geographically distinct marine environments 

      Lastra Luque, Patricia; Artetxe Arrate, Iraide; Bidegain Cancer, Gorka ORCID; Sakai, Saburo; Claverie, Fanny; Pécheyran, Christophe; Fraile Ugalde, Igaratza; Murua Auricenea, Hilario ORCID; Varela Fuentes, José Luis; Medina Guerrero, Antonio; Arrizabalaga de Mingo, Haritz (Elsevier, 2022-11)
      Chemical fingerprints in otoliths are commonly used as natural habitat markers in fishes. Alternatively, the first dorsal fin spine can provide valuable chemical information and may be more suitable for studying (i) ...
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      Cohomological tautness of singular Riemannian foliations 

      Royo Prieto, José Ignacio ORCID; Saralegi Aranguren, Martintxo; Wolak, Robert (Springer, 2018-11-16)
      For a Riemannian foliation F on a compact manifold M, J. A. Alvarez Lopez proved that the geometrical tautness of F, that is, the existence of a Riemannian metric making all the leaves minimal submanifolds of M, can be ...
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      Combining statistical techniques to predict postsurgical risk of 1-year mortality for patients with colon cancer 

      Arostegui Madariaga, Inmaculada ORCID; González, Nerea; Fernández de Larrea, Nerea; Lázaro Aramburu, Santiago; Baré Mañas, Marisa; Redondo, Maximino; Sarasqueta, Cristina; Garcia-Gutierrez, Susana; Quintana López, José María (Dove Medical Press, 2018)
      Introduction: Colorectal cancer is one of the most frequently diagnosed malignancies and a common cause of cancer-related mortality. The aim of this study was to develop and validate a clinical predictive model for 1-year ...
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      Crank-Nicholson method for rate equations in powder random lasers 

      García Ramiro, María Begoña ORCID; Illarramendi Echave, María Aránzazu ORCID; Zubia Zaballa, Joseba Andoni ORCID (IOP Publishing, 2015)
      In this work, we show the resolution of the rate equations in powder random lasers by using the Crank-Nicholson finite difference method. Light propagation in our powders is described by the model of light diffusion. The ...
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      Definition of the Future Skills Needs of Job Profiles in the Renewable Energy Sector 

      Arcelay, Irene; Goti, Aitor; Oyarbide-Zubillaga, Aitor; Akyazi, Tugce; Alberdi Celaya, Elisabete ORCID; Garcia-Bringas, Pablo (MDPI, 2021-05-02)
      The growth of the renewable energy industry is happening at a swift pace pushed, by the emergence of Industry 4.0. Smart technologies like artificial intelligence (AI), Big Data, the Internet of Things (IoT), Digital Twin ...
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      Design, Fabrication and Testing of a High-Sensitive Fibre Sensor for Tip Clearance Measurements 

      Durana Apaolaza, Gaizka ORCID; Amorebieta Herrero, Josu ORCID; Fernández Bello, Rubén ORCID; Beloki Perurena, Josu; Arrospide Zabala, Eneko ORCID; García García, Iker; Zubia Zaballa, Joseba Andoni ORCID (MDPI, 2018-08)
      A highly sensitive fibre bundle-based reflective optical sensor has been designed and fabricated for Tip Clearance measurements in a turbine rig. The sensor offers high spatial and temporal resolution. The sensor probe ...
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      Dinosaur swim tracks from the Lower Cretaceous of La Rioja, Spain: An ichnological approach to non-common behaviours 

      Navarro Lorbes, Pablo; Díaz Martínez, Ignacio; Valle Melón, José Manuel ORCID; Rodriguez-Miranda, Alvaro; Moratalla, Joaquín; Ferrer Ventura, Mireia; San Juan Palacios, Raúl; Torices, Angélica (Elsevier, 2023-07)
      The reconstruction of behavioural patterns performed by non-avian dinosaurs is an important task of palaeontology in order to globally understand how these animals interacted with their environment. Their relation with ...
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      Do jumps and cojumps matter for electricity price forecasting? Evidence from the German-Austrian day-ahead market 

      Ciarreta Antuñano, Aitor ORCID; Muniain Izaguirre, Peru; Zárraga Alonso, Ainhoa ORCID (Elsevier, 2022-11)
      This paper analyzes the potential for including jumps and cojumps in electricity price forecasting models. The study is carried out on the German-Austrian day-ahead electricity market with a multivariate framework in which ...
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      Effects of Fabrication Methods on the Performance of Luminescent Solar Concentrators Based on Doped Polymer Optical Fibers 

      Arrospide Zabala, Eneko ORCID; Illarramendi Leturia, María Asunción ORCID; Ayesta Ereño, Igor ORCID; Guarrotxena, Nekane; García, Olga; Zubia Zaballa, Joseba Andoni ORCID; Durana Apaolaza, Gaizka ORCID (MDPI, 2021-01-28)
      In this work, we detail two types of fabrication processes of four polymer optical fibers doped with lumogen dyes. The fiber preforms have been manufactured with two different methods: extrusion and casting. We have compared ...
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      Enhancing Confusion Entropy (CEN) for Binary and Multiclass Classification 

      Delgado de la Torre, Rosario; Núñez González, José David (Universita Di Palermo, 2019-01-14)
      Different performance measures are used to assess the behaviour, and to carry out the comparison, of classifiers in Machine Learning. Many measures have been defined on the literature, and among them, a measure inspired ...
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      Estimation of preterm labor immediacy by nonlinear methods 

      Malaina Celada, Iker ORCID; Martínez Fernández, Luis ORCID; Matorras Weinig, José Roberto; Bringas Roldán, Carlos; Aranburu Laka, Larraitz; Fernández-Llebrez del Rey, Luis; González, Leire; Arana, Itziar; Pérez Pinilla, Martín Blas ORCID; Martínez de la Fuente Martínez, Ildefonso Abel (Public Library Science, 2017-06-01)
      Preterm delivery affects about one tenth of human births and is associated with an increased perinatal morbimortality as well as with remarkable costs. Even if there are a number of predictors and markers of preterm delivery, ...
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      Expansion of Human Limbal Epithelial Stem/Progenitor Cells Using Different Human Sera: A Multivariate Statistical Analysis 

      Hernáez Moya, Raquel; González, Sheyla; Urkaregi Etxepare, Arantza; José Ignacio Pijoan Zubizarreta; Deng, Sophie X.; Andollo Victoriano, María Noelia ORCID (MDPI, 2020-07-25)
      Transplantation of human cultured limbal epithelial stem/progenitor cells (LESCs) has demonstrated to restore the integrity and functionality of the corneal surface in about 76% of patients with limbal stem cell deficiency. ...
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      Experimental and numerical study of the emissivity of rolled aluminum 

      Sainz Menchón, Mireia; Gabirondo López, Jon; González de Arrieta Martinez, Iñigo ORCID; Echániz Ariceta, Telmo ORCID; López, Gabriel Alejandro ORCID (Elsevier, 2022-12)
      Directional spectral emissivity measurements on a rolled aluminum sheet are reported between 423 and 823 K in vacuum. The results are compared to available literature data and to theoretical predictions, revealing the ...
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      Fabrication and characterization of active polymer optical fibers with a ring-doped structure 

      Ayesta Ereño, Igor ORCID; Azkune Ulla, Mikel ORCID; Illarramendi Leturia, María Asunción ORCID; Arrospide Zabala, Eneko ORCID; Zubia Zaballa, Joseba Andoni ORCID; Durana Apaolaza, Gaizka ORCID (Elsevier, 2023-01)
      This paper employs the solution-doping technique for the fabrication of polymer optical fibers (POFs) doped with two perylene derivatives, Lumogen Yellow 083 and Lumogen Red 305, in different combinations. With the ...
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      Fabrication and Characterization of Polymer Optical Fibers Doped with Perylene-Derivatives for Fluorescent Lighting Applications 

      Parola Domingo, Itxaso; Arrospide Zabala, Eneko ORCID; Recart Barañano, Federico; Illarramendi Leturia, María Asunción ORCID; Durana Apaolaza, Gaizka ORCID; Guarrotxena, Nekane; García, Olga; Zubia Zaballa, Joseba Andoni ORCID (MDPI, 2017-08)
      Four different dye-doped polymer optical fibers (POFs) have been fabricated following a two-step fabrication process of preform extrusion and fiber drawing, using poly-(methyl methacrylate) (PMMA) as host material and dye ...
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      Fabrication of Active Polymer Optical Fibers by Solution Doping and Their Characterization 

      Ayesta Ereño, Igor ORCID; Azkune Ulla, Mikel ORCID; Arrospide Zabala, Eneko ORCID; Arrue Aramburu, Juan Antonio ORCID; Illarramendi Leturia, María Asunción ORCID; Durana Apaolaza, Gaizka ORCID; Zubia Zaballa, Joseba Andoni ORCID (MDPI, 2018-12-31)
      This paper employs the solution-doping technique for the fabrication of active polymer optical fibers (POFs), in which the dopant molecules are directly incorporated into the core of non-doped uncladded fibers. Firstly, ...
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      Fabrication Quality Assessment Based on the Coupling of a Dual-Core Microstructured Polymer Optical Fiber 

      Berganza Valmala, Amaia; Arrospide Zabala, Eneko ORCID; Amorebieta Herrero, Josu ORCID; Zubia Zaballa, Joseba Andoni ORCID; Durana Apaolaza, Gaizka ORCID (MDPI, 2021-11-09)
      In this paper we report on the theoretical analysis and fabrication of a dual-core microstructured polymer optical fiber (mPOF) and demonstrate how the coupling characteristics of a dual-core mPOF may be a key factor to ...
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      Facilitators and barriers to participation in population-based colorectal cancer screening programme from the perspective of healthcare professionals: Qualitative research study 

      Unanue Arza, Saloa ORCID; Portillo Villares, María Isabel; Idigoras Rubio, Isabel; Arostegui Madariaga, Inmaculada ORCID; Arana Arri, Eunate (Wiley, 2021-11)
      Objective High participation determines the success of colorectal cancer screening programmes in reducing incidence and mortality. The factors that determine participation must be studied from the perspective of professionals ...
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      Fast Driving of a Particle in Two Dimensions without Final Excitation 

      Lu, Xiao-Jing; Palmero Lazcoz, Mikel ORCID; Lizuain Lilly, Ion ORCID; Muga Francisco, Juan Gonzalo ORCID (MDPI, 2022-11-19)
      Controlling the motional state of a particle in a multidimensional space is key for fundamental science and quantum technologies. Applying a recently found two-dimensional invariant combined with linear invariants, we ...
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      Fine-tune of lignin properties by its fractionation with a sequential organic solvent extraction 

      Izaguirre Aróstegui, Nagore; Robles Barrios, José Eduardo; Llano Ponte, Rodrigo; Labidi Bouchrika, Jalel ORCID; Erdocia Iriarte, Xabier (Elsevier, 2022-01)
      [EN] In this work, different lignins were obtained from two different extraction methods (kraft and organosolv) but from the same raw material (Eucalyptus globulus sp.). They were subsequently fractionated to determine the ...