InaMat

Recent Submissions

  • Designing multifunctional protective PVC electrospun fibers with tunable properties 

    Rivero Fuente, Pedro Upna; Rosagaray Burdaspar, Iker; Fuertes Bonel, Juan Pablo Upna; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    In this work, the electrospinning technique is used for the fabrication of electrospun functional fibers with desired properties in order to show a superhydrophobic behavior. With the aim to obtain a coating with the best ...
  • Stability of phenolic compounds in grape stem extracts 

    Esparza Catalán, Irene Upna; Cimminelli, María José Upna; Moler Cuiral, José Antonio Upna; Jiménez Moreno, Nerea Upna; Ancín Azpilicueta, Carmen Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    Grape stem is rich in phenolic compounds, especially stilbenes. These antioxidants can be degraded during the storage of grape stem extracts for long periods of time. The aim of this work was to analyze the stability of ...
  • Reducing SO₂ doses in red wines by using grape stem extracts as antioxidants 

    Esparza Catalán, Irene Upna; Martínez Inda, Blanca; Cimminelli, María José Upna; Moler Cuiral, José Antonio Upna; Jiménez Moreno, Nerea Upna; Ancín Azpilicueta, Carmen Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    SO₂ is a very important wine preservative. However, there are several drawbacks associated with the use of SO₂ in wine. The aim of this work is to evaluate the effect of the partial substitution of SO₂ in the Tempranillo ...
  • Using RGISTools to estimate water levels in reservoirs and lakes 

    Militino, Ana F. Upna; Montesino San Martín, Manuel Upna; Pérez Goya, Unai Upna; Ugarte Martínez, María Dolores Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    The combination of freely accessible satellite imagery from multiple programs improves the spatio-temporal coverage of remote sensing data, but it exhibits barriers regarding the variety of web services, file formats, and ...
  • Production of aromatic compounds by catalytic depolymerization of technical and downstream biorefinery lignins 

    Cornejo Ibergallartu, Alfonso; Bimbela Serrano, Fernando; García Yoldi, Íñigo Upna; Maisterra Udi, Maitane; Gandía Pascual, Luis; Martínez Merino, Víctor (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    Lignocellulosic materials are promising alternatives to non-renewable fossil sources when producing aromatic compounds. Lignins from Populus salicaceae., Pinus radiata and Pinus pinaster from industrial wastes and biorefinery ...
  • Influence of structural defects on the properties of metamagnetic shape memory alloys 

    Pérez de Landazábal Berganzo, José Ignacio Upna; Sánchez-Alarcos Gómez, Vicente Upna; Recarte Callado, Vicente Upna; Lambri, Osvaldo Agustín; López García, Javier Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    The production of µ-particles of Metamagnetic Shape Memory Alloys by crushing and subsequent ball milling process has been analyzed. The high energy involved in the milling process induces large internal stresses and high ...
  • Giant stress impedance magnetoelastic sensors employing soft magnetic amorphous ribbons 

    Beato López, Juan Jesús Upna; Urdaniz Villanueva, Juan Garikoitz; Pérez de Landazábal Berganzo, José Ignacio Upna; Gómez Polo, Cristina (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    Soft magnetic amorphous alloys obtained via rapid quenching techniques are widely employed in different technological fields such as magnetic field detection, bio labeling, non-contact positioning, etc. Among them, ...
  • Electrospinning: a powerful tool to improve the corrosion resistance of metallic surfaces using nanofibrous coatings 

    Rivero Fuente, Pedro Upna; Maeztu Redin, Juan Deyo; Rodríguez Trías, Rafael Upna (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    The use of surface engineering techniques to tune-up the composition of nanostructured thin-films for developing functional coatings with advanced properties is a hot topic within the scientific community. The control of ...
  • Evaluation of functionalized coatings for the prevention of ice accretion by using icing wind tunnel tests 

    Rivero Fuente, Pedro Upna; Rodríguez Trías, Rafael Upna; Larumbe Abuin, Silvia Upna; Monteserín, María; Martín, Francisco (MDPI, 2020)   Artículo / Artikulua  OpenAccess
    Ice accretion presents serious safety issues, as airplanes are exposed to supercooled water droplets both on the ground and while flying through clouds in the troposphere. Prevention of icing is a main concern for both ...
  • Space-time analysis of ovarian cancer mortality rates by age groups in Spanish provinces (1989-2015) 

    Trandafir, Paula Camelia; Adin Urtasun, Aritz Upna; Ugarte Martínez, María Dolores Upna (BioMed Central, 2020)   Artículo / Artikulua  OpenAccess
    Background: Ovarian cancer is a silent and largely asymptomatic cancer, leading to late diagnosis and worse prognosis. The late-stage detection and low survival rates, makes the study of the space-time evolution of ovarian ...
  • Improving the quality of satellite imagery based on ground-truth data from rain gauge stations 

    Militino, Ana F. Upna; Ugarte Martínez, María Dolores Upna; Pérez Goya, Unai Upna (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 ...
  • Antibacterial functionalization of PVD coatings on ceramics 

    Osés Martínez de Zúñiga, Javier; García Fuentes, Gonzalo; Fernández Palacio, José; García Lorente, José Antonio; Rodríguez Trías, Rafael Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
    The application of surface treatments that incorporate silver or copper as antibacterial elements has become a common practice for a wide variety of medical devices and materials because of their effective activity against ...
  • A survey on the mathematical foundations of axiomatic entropy: representability and orderings 

    Campión Arrastia, María Jesús Upna; Gómez Polo, Cristina; Induráin Eraso, Esteban Upna; Raventós Pujol, Armajac Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
    Different abstract versions of entropy, encountered in science, are interpreted in the light of numerical representations of several ordered structures, as total-preorders, interval-orders and semiorders. Intransitivities, ...
  • Synthesis of zeolite a from metakaolin and its application in the adsorption of cationic dyes 

    Pereira, Priscila Martins; Ferreira, Breno Freitas; Oliveira, Nathalia Paula; Gil Bravo, Antonio Upna; Korili, Sophia A. Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
    The present work reports the synthesis of zeolites from two metakaolins, one derived from the white kaolin and the other derived from the red kaolin, found in a deposit in the city of São Simão (Brazil). The metakaolins ...
  • Functionalization of 3D printed ABS filters with MOF for toxic gas removal 

    Cabrera Barrios, Aarón; Pellejero, Ismael Upna; Oroz Mateo, Tamara; Salazar, Cristina; Navajas León, Alberto Upna; Fernandez Acevedo, Claudio; Gandía Pascual, Luis (Elsevier, 2020)   Artículo / Artikulua
    Acrylonitrile butadiene styrene (ABS) is one of the most extensively used polymer in 3D printing manufacturing due to its competitive thermal and mechanical properties. Recently, a special attention has been devoted to ...
  • Three-dimensional printing of acrylonitrile butadiene styrene microreactors for photocatalytic applications 

    Cabrera Barrios, Aarón; Pellejero, Ismael Upna; Oroz Mateo, Tamara; Salazar, Cristina; Navajas León, Alberto Upna; Fernandez Acevedo, Claudio; Gandía Pascual, Luis (ACS, 2020)   Artículo / Artikulua
    Miniaturization is a key aspect for many technological applications and the use of microreactors is an excellent solution for the intensification of chemical processes for a variety of applications. However, standard ...
  • In situ synthesis of SERS-active Au@POM nanostructures in a microfluidic device for real-time detection of water pollutants 

    Lafuente, Marta; Pellejero, Ismael Upna; Clemente, Alberto; Urbiztondo, Miguel A.; Mallada, Reyes; Reinoso, Santiago Upna; Pina, María del Pilar; Gandía Pascual, Luis (ACS, 2020)   Artículo / Artikulua
    We present a simple, versatile and low-cost approach for the preparation of SERS-active regions within a microfluidic channel 50 cm in length. The approach involves the UV-light-driven formation of polyoxometalate-decorated ...
  • Characterization of two iron bullets from the royal ammunition factory of Eugi (Spain) 

    Zalakain Iriazabal, Iñaki Upna; Berlanga Labari, Carlos Upna; Álvarez Vega, Lucas; Rivero Fuente, Pedro Upna; Valencia Monreal, Javier; Rodríguez Trías, Rafael Upna (Technical Faculty, University of Belgrade, 2018)   Artículo / Artikulua  OpenAccess
    In this work, a comparative analysis of two iron bullets found in The Royal Ammunition Factory of Eugi in Navarra (Spain) was performed. Both bullets presented a spherical shape with a relatively good state of preservation, ...
  • Study of the martensitic transition in Ni-Mn-Sn-Ti ferromagnetic shape memory alloys 

    Bonifacich, Federico Guillermo; Lambri, Osvaldo Agustín; Pérez de Landazábal Berganzo, José Ignacio Upna; Recarte Callado, Vicente Upna; Sánchez-Alarcos Gómez, Vicente Upna (Rede Latino-Americana de Materiais, 2018)   Artículo / Artikulua  OpenAccess
    In the present work, mechanical spectroscopy measurements as a function of temperature and strain have been performed in (at.%) Ni50Mn37Sn13-xTix (x=0, 0.5 and 2) ferromagnetic shape memory alloys in order both to study ...
  • Evolution of magnetic response as a function of annealing temperature in Fe-based alloys 

    Gargicevich, Damián; Bonifacich, Federico Guillermo; Lambri, Osvaldo Agustín; Pérez de Landazábal Berganzo, José Ignacio Upna; Recarte Callado, Vicente Upna (Rede Latino-Americana de Materiais, 2018)   Artículo / Artikulua  OpenAccess
    The magnetic response, coercive force and magnetic induction, in Fe-10at.% Si, Fe-6at.% Al-9at.% Si and Fe-4at.% Al-8at.% Ge alloys as a function of the annealing temperature was determined and correlated to the microstructural ...

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