InaMat

Recent Submissions

  • Multifunctional protective PVC-ZnO nanocomposite coatings deposited on aluminum alloys by electrospinning 

    Iribarren Zabalegui, Álvaro; Rivero Fuente, Pedro Upna; Berlanga Labari, Carlos Upna; Larumbe Abuin, Silvia Upna; Miguel, Adrián; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2019)   Artículo / Artikulua  OpenAccess
    This paper reports the use of the electrospinning technique for the synthesis of nanocomposite micro/nanofibers by combining a polymeric precursor with hydrophobic behavior like polyvinyl chloride (PVC) with nanoparticles ...
  • Layer-by-layer nano-assembly: a powerful tool for optical fiber sensing applications 

    Rivero Fuente, Pedro Upna; Goicoechea Fernández, Javier Upna; Arregui San Martín, Francisco Javier Upna (MDPI, 2019)   Artículo / Artikulua  OpenAccess
    The ability to tune the composition of nanostructured thin films is a hot topic for the design of functional coatings with advanced properties for sensing applications. The control of the structure at the nanoscale level ...
  • A comparative study of multifunctional coatings based on electrospun fibers with incorporated ZnO nanoparticles 

    Rivero Fuente, Pedro Upna; Iribarren Zabalegui, Álvaro; Larumbe Abuin, Silvia Upna; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2019)   Artículo / Artikulua  OpenAccess
    In this work, polymeric fibers of polystyrene (PS) with incorporated ZnO nanoparticles have been deposited onto an aluminum alloy substrate (6061T6) by using the electrospinning technique. In order to optimize the deposition ...
  • Identification of a Ni-vacancy defect in Ni-Mn-Z (Z = Ga, Sn, In): an experimental and DFT positron-annihilation study 

    Unzueta, Iraultza; Sánchez-Alarcos Gómez, Vicente Upna; Recarte, Vicente; Pérez-Landazábal, José Ignacio; Zabala, Nerea; García, José Angel; Plazaola, Fernando (American Physical Society, 2019)   Artículo / Artikulua  OpenAccess
    By means of experimental positron-annihilation-lifetime measurements and theoretical density functional theory (DFT) positron-lifetime calculations, vacancy-type defects in Ni50Mn50−xSnx (x = 25, 20, 15, 13, 10) and ...
  • Phenyl siloxane hybrid xerogels: structure and porous texture 

    Moriones Jiménez, Paula Upna; Echeverría Morrás, Jesús Upna; Parra, Bernardo; Garrido Segovia, Julián José Upna (Springer US, 2019)   Artículo / Artikulua
    The aim of this research is to investigate the effect of phenyltriethoxysilane (PhTEOS) and tetraethoxysilane (TEOS) molar ratios as silicon precursors on the structure and porous texture of xerogels. We have prepared ...
  • On a particular class of Meijer's G functions appearing in fractional calculus 

    Karp, B.D.; López García, José Luis (Academic Publications, 2018)   Artículo / Artikulua  OpenAccess
    In this paper we investigate the Meijer G-function G p+1,p+1 p,1 which, for certain parameter values, represents the Riemann-Liouville fractional integral of the Meijer-Nørlund function G p,p. p,0 The properties of this ...
  • The interval-valued Choquet integral based on admissible permutations 

    Paternain Dallo, Daniel Upna; Miguel Turullols, Laura de Upna; Ochoa Lezaun, Gustavo Upna; Lizasoain Iriso, María Inmaculada Upna; Mesiar, Radko; Bustince Sola, Humberto Upna (IEEE, 2018)   Artículo / Artikulua
    Aggregation or fusion of interval data is not a trivial task, since the necessity of arranging data arises in many aggregation functions, such as OWA operators or the Choquet integral. Some arranging procedures have been ...
  • Magnetocaloric effect enhancement driven by intrinsic defects in a Ni45Co5Mn35Sn15 alloy 

    Sánchez-Alarcos Gómez, Vicente Upna; López García, Javier; Unzueta, I.; Pérez de Landazábal Berganzo, José Ignacio; Recarte Callado, Vicente Upna; Beato López, Juan Jesús; García, J. A.; Plazaola, F.; Rodríguez Velamazán, José Alberto (Elsevier, 2019)   Artículo / Artikulua
    The influence of mechanically-induced defects on the magnetostructural properties is analyzed in a Ni-Co-Mn-Sn alloy subjected to soft milling and subsequent annealing treatments. It is found that, opposite to what occurs ...
  • Prostate cancer incidence and mortality in Navarre (Spain) 

    Etxeberria Andueza, Jaione Upna; Guevara, M.; Moreno Iribas, C.; Burgui, R.; Delfrade, I.; Floristán, Y.; Montesino Semper, Manuel F.; Ardanaz, E. (Gobierno de Navarra. Departamento de Salud, 2018)   Artículo / Artikulua  OpenAccess
    Fundamento. A nivel mundial, el cáncer de próstata es uno de los tumores malignos más comúnmente diagnosticados en los hombres. En este estudio, se analizan las tendencias de la incidencia y mortalidad de cáncer de próstata, ...
  • Zirconia-supported 11-molybdovanadophosphoric acid catalysts: effect of the preparation method on their catalytic activity and selectivity 

    El Bakkali, Bouchra; Trautwein, Guido; Alcañiz Monge, Juan; Reinoso, Santiago (Wiley, 2018)   Artículo / Artikulua  OpenAccess
    The oxidation of adamantane with hydrogen peroxide catalyzed by zirconia-supported 11-molybdovanadophosphoric acid is shown to be a suitable green route for the synthesis of adamantanol and adamantanone. This work evaluates ...
  • Single-crystal-to-single-crystal transformations triggered by dehydration in polyoxometalate-based compounds 

    Reinoso, Santiago; Artetxe, Beñat; Gutiérrez Zorrilla, Juan M. (International Union of Crystallography, 2018)   Artículo / Artikulua  OpenAccess
    Single-crystal-to-single-crystal transformations are solid-state phase transitions between different crystalline states in which the crystal integrity and the long-range structural order are retained through the whole ...
  • Weightable quasi-metrics related to fuzzy sets 

    Campión Arrastia, María Jesús Upna; García Catalán, Olga Raquel Upna; Induráin Eraso, Esteban Upna; Valero, Óscar (Hacettepe University (Turquía), 2018)   Artículo / Artikulua  OpenAccess
    We show that the definition of a fuzzy set is directly related to the existence of a weightable quasi-metric on a universe. This relationship is also explored in terms of functional equations coming either from the membership ...
  • Periodic solutions, KAM tori and bifurcations in a cosmology-inspired potential 

    Palacián Subiela, Jesús Francisco Upna; Vidal Díaz, Claudio; Vidarte, Jhon; Yanguas Sayas, Patricia Upna (IOP Publishing, 2019)   Artículo / Artikulua
    A family of perturbed Hamiltonians H = 1/2 (x^2 + X^2) − 1/2 (y^2 + Y^2)+1/2 (z^2 + Z^2) + 2[ (x^4 + y^4 + z^4) + (x^2 y^2 + x^2 z^2 + y^2 z^2)] in 1: −1:1 resonance depending on two real parameters is considered. We ...
  • IAOx induces the SUR phenotype and differential signalling from IAA under different types of nitrogen nutrition in Medicago truncatula roots 

    Buezo Bravo, Javier; Esteban Terradillos, Raquel; Cornejo Ibergallartu, Alfonso; López Gómez, Pedro; Marino Bilbao, Daniel Upna; Chamizo Ampudia, Alejandro; Gil Idoate, María José; Martínez Merino, Víctor; Morán Juez, José Fernando Upna (Elsevier, 2019)   Artículo / Artikulua
    Indole-3-acetaldoxime (IAOx) is a particularly relevant molecule as an intermediate in the pathway for tryptophan-dependent auxin biosynthesis. The role of IAOx in growth-signalling and root phenotype is poorly studied in ...
  • Thrust actuator with passive restoration force for wide gap magnetic bearings 

    Royo, Isaac; Beato López, Juan Jesús; Castellano Aldave J. C.; Gómez Polo, Cristina (Elsevier, 2019)   Artículo / Artikulua
    Active thrust magnetic bearings provide an axial force to balance the moving parts of machines. However, most devices produce null or unbalancing passive forces. Furthermore, reported designs usually feature very small ...
  • Tailoring the structural and magnetic properties of Co-Zn nanosized ferrites for hyperthermia applications 

    Gómez Polo, Cristina; Recarte Callado, Vicente Upna; Cervera Gabalda, Laura María; Beato López, Juan Jesús; López García, Javier; Rodríguez Velamazán, José Alberto; Ugarte Martínez, María Dolores Upna; Mendonça, E. C.; Duque, J. G. S. (Elsevier, 2018)   Artículo / Artikulua
    A comparative study of the magnetic properties (magnetic moment, magnetocrystalline anisotropy) and hyperthermia response in Co-Zn spinel nanoparticles is presented. The CoxZn1-xFe2O4 nanoparticles (x = 1, 0.5, 0.4, 0.3, ...
  • Micrometric non-contact position magnetoimpedance sensor 

    Beato López, Juan Jesús; Royo, Isaac; Gómez Polo, Cristina (Elsevier, 2018)   Artículo / Artikulua
    In this work a sensitive micrometric non-contact position sensor based on the Giant MagnetoImpedance effect (GMI) is analyzed. A nearly zero magnetostrictive CoFeSiBCr wire was employed as sensor nucleus. The sensing ...
  • Hydrophobic and corrosion behavior of sol-gel hybrid coatings based on the combination of TiO2 NPs and fluorinated chains for aluminum alloys protection 

    Rivero Fuente, Pedro Upna; Maeztu Redin, Juan Deyo; Berlanga Labari, Carlos Upna; Miguel, Adrián; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
    In this work, layers of a sol-gel hybrid matrix doped with metal oxide nanoparticles (TiO2 NPs) have been deposited on flat samples of AA6061-T6 aluminum alloy using the dip-coating technique, with the aim of obtaining ...
  • Functionalized electrospun fibers for the design of novel hydrophobic and anticorrosive surfaces 

    Rivero Fuente, Pedro Upna; Yurrita Silanes, David; Berlanga Labari, Carlos Upna; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
    In this work, a novel coating was deposited on aluminum alloy samples by using a combination of electrospinning and chemical vapor deposition (CVD-silanization) techniques in order to create a functionalized film with an ...
  • Epidemiology of non-steroidal anti-inflammatory drugs consumption in Spain. The MCC-Spain study 

    Gómez Acebo, Inés; Dierssen Sotos, Trinidad; Pedro, María de; Pérez Gómez, Beatriz; Castaño Vinyals, Gemma; Fernández Villa, Tania; Palazuelos Calderón, Camilo; Amiano, Pilar; Etxeberria Andueza, Jaione Upna (BMC, 2018)   Artículo / Artikulua  OpenAccess
    Background: Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used despite their risk of gastrointestinal bleeding or cardiovascular events. We report the profile of people taking NSAIDs in Spain, and we include ...

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