InaMat

Recent Submissions

  • 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, ...
  • 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 ...
  • 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 ...
  • Two-level resolution of relative risk of dengue disease in a hyperendemic city of Colombia 

    Adin Urtasun, Aritz Upna; Martínez Bello, Daniel Adyro; López Quílez, Antonio; Ugarte Martínez, María Dolores Upna (Public Library of Science, 2018)   Artículo / Artikulua  OpenAccess
    Risk maps of dengue disease offer to the public health officers a tool to model disease risk in space and time. We analyzed the geographical distribution of relative incidence risk of dengue disease in a high incidence ...
  • Influence of defects on the irreversible phase transition in the Fe-Pd doped with Co and Mn 

    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
    The appearance of BCT martensite in Fe-Pd-based ferromagnetic shape memory alloys, which develops at lower temperatures than the thermoelastic martensitic transition, deteriorates the shape memory properties. In a previous ...
  • Chemical and mechanical stability of air annealed cathodic arc evaporated CrAlON coatings 

    Almandoz Sánchez, Eluxka Upna; Fuentes, Gonzalo G.; Fernández Palacio, José; Martínez de Bujanda Carasusán, Javier; Rodríguez Trías, Rafael Upna (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
    This study reports the synthesis and characterization of ternary Cr-Al-O and quaternary Cr-Al-O-N coatings deposited by cathodic arc physical vapour deposition, for various nitrogen and oxygen mass flow ratios during the ...
  • Highly sensitive SERS quantification of organophosphorous chemical warfare agents: a major step towards the real time sensing in the gas phase 

    Lafuente, Marta; Pellejero, Ismael Upna; Sebastián, Víctor; Urbiztondo, Miguel A.; Mallada, Reyes (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
    A surface-enhanced Raman scattering (SERS)-based sensor was developed for the label-free real-time gas phase detection of dimethyl methylphosphonate (DMMP); a surrogate molecule of the G-series nerve agents which are of ...
  • CrAlON CAE-PVD coatings for oxidation and wear protection of TZM alloys in FAST sintering applications 

    Almandoz Sánchez, Eluxka Upna; Fernández de Ara, Jonathan; Martínez de Bujanda Carasusán, Javier; Fernández Palacio, José; Rodríguez Trías, Rafael Upna (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
    In this work CrAlO and CrAlO/CrAlN multilayers deposited by cathodic arc evaporation are evaluated as protective films in metal and ceramic powder FAST sintering tool dies fabricated in titanium-zirconium-molybdenum allows ...
  • An axiomatic approach to finite means 

    Campión Arrastia, María Jesús Upna; Candeal, Juan Carlos; García Catalán, Olga Raquel Upna; Giarlotta, Alfio; Induráin Eraso, Esteban Upna (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
    In this paper we analyze the notion of a finite mean from an axiomatic point of view. We discuss several axiomatic alternatives, with the aim of establishing a universal definition reconciling all of them and exploring ...
  • Zirconia-supported tungstophosphoric heteropolyacid as heterogeneous acid catalyst for biodiesel production 

    Alcañiz Monge, Juan; El Bakkali, Bouchra; Trautwein, Guido; Reinoso, Santiago Upna (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
    A series of materials based on the immobilization of the 12-tungstophosphoric heteropolyacid over zirconia supports have been prepared and applied as heterogeneous acid catalysts in the esterification of palmitic acid with ...
  • Direct analysis of aluminum alloys by CSigma laser-induced breakdown spectroscopy 

    Aragón Garbizu, Carlos Upna; Aguilera Andoaga, José Antonio Upna (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
    We report the application of CSigma laser-induced breakdown spectroscopy (Cσ-LIBS) to quantitative analysis of aluminum alloys without sample preparation. Cσ-LIBS simplifies strongly the conventional calibration procedure ...
  • 119Sn Mössbauer spectroscopy for assessing the local stress and defect state towards the tuning of Ni-Mn-Sn alloys 

    Unzueta, Iraultza; López García, Javier Upna; Sánchez-Alarcos Gómez, Vicente Upna; Recarte Callado, Vicente Upna; Pérez de Landazábal Berganzo, José Ignacio Upna (AIP Publishing, 2017)   Artículo / Artikulua  OpenAccess
    The influence of defects and local stresses on the magnetic properties and martensitic transformation in Ni50Mn35Sn15 is studied at macroscopic and atomic scale levels. We show that both the structural and magnetic properties ...
  • Kinetic analysis and CFD simulations of the photocatalytic production of hydrogen in silicone microreactors from water-ethanol mixtures 

    Castedo, Alejandra; Uriz Doray, Irantzu Upna; Soler, Lluís; Gandía Pascual, Luis; Llorca Piqué, Jordi (Elsevier, 2017)   Artículo / Artikulua  OpenAccess
    Silicone microreactors containing microchannels of 500 μm width in a single or triple stack configuration have been manufactured, coated with an Au/TiO2 photocatalyst and tested for the photocatalytic production of hydrogen ...
  • A simple approach to develop tailored mesoporosity in nanostructured heteropolysalts 

    Alcañiz Monge, Juan; Trautwein, Guido; El Bakkali, Bouchra; Reinoso, Santiago Upna (Wiley, 2017)   Artículo / Artikulua  OpenAccess
    In this study, we describe a very simple approach to the development of tailored mesoporosity in any nanostructured heteropolysalt with control over both the mesoporous volume and the pore size. This approach, which consists ...

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