Now showing items 1-20 of 31

    • An antibacterial coating based on a polymer/sol-gel hybrid matrix loaded with silver nanoparticles 

      Rivero Fuente, Pedro J. Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (Springer, 2011)   Artículo / Artikulua  OpenAccess
      In this work a novel antibacterial surface composed of an organic-inorganic hybrid matrix of tetraorthosilicate and a polyelectrolyte is presented. A precursor solution of tetraethoxysilane (TEOS) and poly(acrylic acid ...
    • An antibacterial surface coating composed of PAH/SiO2 nanostructurated films by Layer by Layer 

      Urrutia Azcona, Aitor Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Ruete Ibarrola, Leyre; Goicoechea Fernández, Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (2009)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this article we propose a novel antibacterial coating composed of SiO2 and the polymer Poly(allylamine hydrochloride) (PAH) on glass slides by the technique Layer-by- Layer (LbL)1. This technique has already used in ...
    • Characterization of two iron bullets from the royal ammunition factory of Eugi (Spain) 

      Zalakain Iriazabal, Iñaki Upna Orcid; Berlanga Labari, Carlos Upna Orcid; Álvarez Vega, Lucas Upna; Rivero Fuente, Pedro J. Upna Orcid; Valencia Monreal, Javier Upna Orcid; Rodríguez Trías, Rafael Upna Orcid (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, ...
    • A comparative study in the sensitivity of optical fiber refractometers based on the incorporation of gold nanoparticles into layer-by-layer films 

      Rivero Fuente, Pedro J. Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (Exeley, 2015)   Artículo / Artikulua  OpenAccess
      In this work, optical fiber refractometers based on the successive incorporation of gold nanoparticles have been fabricated by means of the Layer-by-Layer Embedding (LbL-E) deposition technique. This enables the apparition ...
    • A comparative study in the tribological behavior of DLC coatings deposited by HiPIMS technology with positive pulses 

      García Lorente, José Antonio Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Barba Areso, Eneko; Fernández, Iván; Santiago, José A.; Palacio, José F.; Fuente, Gonzalo G.; Rodríguez Trías, Rafael Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      During the last few decades, diamond-like carbon (DLC) coatings were widely used for tribological applications, being an effective tool for improving the performance and the useful life of different machining tools. Despite ...
    • A comparative study of multifunctional coatings based on electrospun fibers with incorporated ZnO nanoparticles 

      Rivero Fuente, Pedro J. Upna Orcid; Iribarren Zabalegui, Álvaro Upna; Larumbe Abuin, Silvia Upna; Palacio, José F.; Rodríguez Trías, Rafael Upna Orcid (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 ...
    • A comparative study of two different approaches for the incorporation of silver nanoparticles into layer-by-layer films 

      Rivero Fuente, Pedro J. Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (Springer, 2014)   Artículo / Artikulua  OpenAccess
      In this work, a comparative study about the incorporation of silver nanoparticles (AgNPs) into thin films is presented using two alternative methods, the in situ synthesis process and the layer-by-layer embedding deposition ...
    • Contribution to the development of functional nanostructured coatings based on silver nanoparticles 

      Rivero Fuente, Pedro J. Upna Orcid (2014)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Esta tesis se centra en la síntesis de nanopartículas de plata (AgNPs) y su posterior incorporación en recubrimientos delgados usando dos métodos alternativos: el proceso de síntesis in situ (ISS) de AgNPs y la técnica de ...
    • Designing multifunctional protective PVC electrospun fibers with tunable properties 

      Rivero Fuente, Pedro J. Upna Orcid; Rosagaray Burdaspar, Iker; Fuertes Bonel, Juan Pablo Upna; Palacio, José F.; Rodríguez Trías, Rafael Upna Orcid (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 ...
    • Effect of both protective and reducing agents in the synthesis of multicolor silver nanoparticles 

      Rivero Fuente, Pedro J. Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (Springer, 2013)   Artículo / Artikulua  OpenAccess
      In this paper, the influence of variable molar ratios between reducing and loading agents (1:100, 1:50, 1:20, 1:10, 1:5, 1:2, 1:1, 2:1) and between protective and loading agents (0.3:1, 0.75:1, 1.5:1, 3:1, 7.5:1, 30:1, ...
    • Effect of the temperature in the mechanical properties of austenite, ferrite and sigma phases of duplex stainless steels using hardness, microhardness and nanoindentation techniques 

      Argandoña Salinas, Gorka; Palacio, José F.; Berlanga Labari, Carlos Upna Orcid; Biezma Moraleda, María Victoria; Rivero Fuente, Pedro J. Upna Orcid; Peña, Julio; Rodríguez Trías, Rafael Upna Orcid (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      The aim of this work is to study the hardness of the ferrite, austenite and sigma phases of a UNS S32760 superduplex stainless steel submitted to different thermal treatments, thus leading to different percentages of the ...
    • Electrospinning: a powerful tool to improve the corrosion resistance of metallic surfaces using nanofibrous coatings 

      Rivero Fuente, Pedro J. Upna Orcid; Maeztu Redin, Juan Deyo; Rodríguez Trías, Rafael Upna Orcid (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 J. Upna Orcid; Rodríguez Trías, Rafael Upna Orcid; Larumbe Abuin, Silvia Upna; Monteserín, María (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 ...
    • Evaluation of the photocatalytic activity and anticorrosion performance of electrospun fibers doped with metallic oxides 

      Albistur, Ainhoa; Rivero Fuente, Pedro J. Upna Orcid; Esparza Gorráiz, Joseba; Rodríguez Trías, Rafael Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      This paper reports the development and characterization of a multifunctional coating that combines anticorrosion and photocatalytic properties, deposited by means of the electrospinning technique. In the first step, a ...
    • Fiber-optic lossy mode resonance sensors 

      Arregui San Martín, Francisco Javier Upna Orcid; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Elosúa Aguado, César Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Sánchez Zábal, Pedro Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; López Torres, Diego Upna Orcid; Acha Morrás, Nerea de Upna Orcid; Matías Maestro, Ignacio Upna Orcid (Elsevier, 2014)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In the last 4 years, experimental evidences about the potential use of optical sensors based on Lossy Mode Resonances (LMR) have been presented in the literature. These LMR sensors have some similarities with Surface ...
    • Functionalized electrospun fibers for the design of novel hydrophobic and anticorrosive surfaces 

      Rivero Fuente, Pedro J. Upna Orcid; Yurrita Silanes, David; Berlanga Labari, Carlos Upna Orcid; Palacio, José F.; Rodríguez Trías, Rafael Upna Orcid (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 ...
    • Humidity sensor based on a long-period fiber grating coated with a hydrophobic thin film 

      Urrutia Azcona, Aitor Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (2010)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work it is proposed a novel fiber optic humidity sensor based on a functionally coated long-period fiber grating (LPG). The coating is composed of tetraorthosilicate matrix functionalized with perfluorooctyltriethoxysilane ...
    • 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 J. Upna Orcid; Maeztu Redin, Juan Deyo; Berlanga Labari, Carlos Upna Orcid; Miguel, Adrián; Palacio, José F.; Rodríguez Trías, Rafael Upna Orcid (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 ...
    • Icephobic and anticorrosion coatings deposited by electrospinning on aluminum alloys for aerospace applications 

      Vicente Gómara, Adrián Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; García, Paloma; Mora, Julio; Carreño, Francisco; Palacio, José F.; Rodríguez Trías, Rafael Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Anti-icing or passive strategies have undergone a remarkable growth in importance as a complement for the de-icing approaches or active methods. As a result, many efforts for developing icephobic surfaces have been mostly ...
    • Layer-by-layer nano-assembly: a powerful tool for optical fiber sensing applications 

      Rivero Fuente, Pedro J. Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (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 ...