Now showing items 1-20 of 45

    • A genetic algorithm optimized fractal model to predict the constriction resistance from surface roughness measurements 

      Capelli, Francesca; Riba Ruiz, Jordi-Roger; Rupérez de Gracia, Elisa; Sanllehí, Josep (2017-06-09)
      Article
      Open Access
      The electrical contact resistance greatly influences the thermal behavior of substation connectors and other electrical equipment. During the design stage of such electrical devices, it is essential to accurately predict ...
    • A low elastic modulus Ti-Nb-Hf alloy bioactivated with an elastin-like 

      González, Marta; Salvagni, Emiliano; Rodríguez Cabello, J.C.; Rupérez de Gracia, Elisa; Gil Mur, Francisco Javier; Manero Planella, José María; Peña, Javier (2012)
      Article
      Restricted access - publisher's policy
      Covenantee:   Universidad de Valladolid
      b-type titanium alloys with low Young’s modulus are desirable to reduce stress shielding effect and enhance bone remodeling for implants used to substitute failed hard tissue. For biomaterials application, the surface ...
    • Antibacterial activity of Ag-doped diamond-like carbon (DLC) coatings 

      Punset Fuste, Miquel; Guillem Martí, Jordi; Buixadera, Judit; Rodríguez Rius, Daniel; Caro, Jaume; Orrit, Jordi; Bonet, Raul; Díaz, Cristina; García Fuentes, Gonzalo; Lousa, Arturo; Rupérez de Gracia, Elisa (Universitat Politècnica de Catalunya, 2022-06-16)
      Conference lecture
      Open Access
    • Antibacterial PHAs coating for titanium implants 

      Rodriguez Contreras, Alejandra; Garcia, Yolanda; Manero Planella, José María; Rupérez de Gracia, Elisa (2017-05-01)
      Article
      Open Access
      Biomaterial-associated infection is a serious complication of modern implantation surgery. Thus, the improvement of implant surfaces is required to avoid the first stage for biofilm formation, bacterial adhesion. The current ...
    • Antimicrobial PHAs coatings for solid and porous tantalum implants 

      Rodríguez Contreras, Alejandra María; Guillem Martí, Jordi; Manero Planella, José María; Rupérez de Gracia, Elisa (2019-10-01)
      Article
      Open Access
      Biomaterial-associated infections (BAI) are the major cause of failure of indwelling medical devices. The risk of BAI can end dramatically in the surgical removal of the affected device. Therefore, a major effort must be ...
    • Bactericidal silver-doped DLC coatings obtained by pulsed filtered cathodic arc co-deposition 

      Rupérez de Gracia, Elisa; Guillem Martí, Jordi; Lousa, Arturo; Punset Fuste, Miquel; Ortiz Hernández, Mónica (Elsevier, 2021-02)
      Article
      Restricted access - publisher's policy
      Covenantee:   Fundació Eurecat / Universitat de Barcelona / Asociación de la Industria Navarra
      Diamond-like carbon (DLC) coatings have been extensively studied over the last two decades in the field of materials engineering. The addition of effective bactericidal agents like silver suggests the potential application ...
    • Bateries de qüestions bàsiques de materials 

      Salán Ballesteros, Maria Núria; Rupérez de Gracia, Elisa; Illescas Fernandez, Silvia (2011-09)
      Other
      Open Access
      Fomentar l’estudi i l’aprenentatge autònom de continguts bàsics de les assignatures troncals de materials (Fonaments de Ciència dels Materials, Tecnologia dels Materials i Materials Aeroespacials), de les titulacions ...
    • Bioactivity and antibacterial properties of calcium- and silver-doped coatings on 3D printed titanium scaffolds 

      Torres Garrido, Diego; Ginebra Molins, Maria Pau; Rupérez de Gracia, Elisa; Manero Planella, José María; Rodriguez Contreras, Alejandra; CALERO, JOSE ANTONIO (Elsevier, 2021-09)
      Article
      Restricted access - publisher's policy
      Covenantee:   Institut de Bioenginyeria de Catalunya / AMES
      One of the major problems faced by metallic implants is the high probability of bacterial infections, with significant consequences for the patient. In this work, a thermochemical treatment is proposed to obtain silver-doped ...
    • Biofunctionalization strategies on tantalum-based materials for osseointegrative applications 

      Mas Moruno, Carlos; Garrido, Beatriz; Rodríguez Rius, Daniel; Rupérez de Gracia, Elisa; Gil Mur, Francisco Javier (2015-02-11)
      Article
      Open Access
      The use of tantalum as biomaterial for orthopedic applications is gaining considerable attention in the clinical practice because it presents an excellent chemical stability, body fluid resistance, biocompatibility, and ...
    • CIENCIA I TECNOLOGIA DELS MATERIALS (2n quadrimestre, 1r parcial) 

      Rupérez de Gracia, Elisa (Universitat Politècnica de Catalunya, 2010-04-13)
      Exam
      Restricted access to the UPC academic community
    • CIENCIA I TECNOLOGIA DELS MATERIALS (2n quadrimestre, 1r parcial) 

      Rupérez de Gracia, Elisa (Universitat Politècnica de Catalunya, 2010-04-13)
      Exam
      Restricted access to the UPC academic community
    • CIENCIA I TECNOLOGIA DELS MATERIALS (2n quadrimestre, 3r parcial) 

      Rupérez de Gracia, Elisa (Universitat Politècnica de Catalunya, 2010-06-11)
      Exam
      Restricted access to the UPC academic community
    • CIENCIA I TECNOLOGIA DELS MATERIALS (2n quadrimestre, 3r parcial) 

      Arencón Osuna, David; Illescas Fernandez, Silvia; Redondo Realinho, Vera Cristina de; Rupérez de Gracia, Elisa (Universitat Politècnica de Catalunya, 2010-06-11)
      Exam
      Restricted access to the UPC academic community
    • CIENCIA Y TECNOLOGÍA DE MATERIALES (2n quadrimestre, 1r parcial) 

      Rupérez de Gracia, Elisa (Universitat Politècnica de Catalunya, 2011-04-05)
      Exam
      Restricted access to the UPC academic community
    • CIÈNCIA I TECNOLOGIA DELS MATERIALS (Examen 2n quadrimestre, 2n parcial) 

      Rupérez de Gracia, Elisa (Universitat Politècnica de Catalunya, 2011-06-17)
      Exam
      Restricted access to the UPC academic community
    • CIÈNCIA I TECNOLOGIA DELS MATERIALS (Examen 2n quadrimestre, 2n parcial) 

      Arencón Osuna, David; Rupérez de Gracia, Elisa (Universitat Politècnica de Catalunya, 2011-06-17)
      Exam
      Restricted access to the UPC academic community
    • Citric acid in the passivation of titanium dental implants: corrosion resistance and bactericide behavior 

      Verdeguer, Pablo; Gil Mur, Javier; Punset Fuste, Miquel; Manero Planella, José María; Nart, José; Vilarrasa Sánchez, Javier; Rupérez de Gracia, Elisa (Multidisciplinary Digital Publishing Institute (MDPI), 2022-01-12)
      Article
      Open Access
      Covenantee:   Universitat Internacional de Catalunya / Institut de Recerca Sant Joan de Déu
      The passivation of titanium dental implants is performed in order to clean the surface and obtain a thin layer of protective oxide (TiO2) on the surface of the material in order to improve its behavior against corrosion ...
    • Corrosion mechanism of HVOF thermal sprayed WC-CoCr coatings in acidic chloride media 

      Picas Barrachina, Josep Anton; Punset Fuste, Miquel; Rupérez de Gracia, Elisa; Menargues Muñoz, Sergi; Martín Fuentes, Enrique; Baile Puig, Maria Teresa (Elsevier, 2019-08-15)
      Article
      Restricted access - confidentiality agreement
      HVOF thermal sprayed WC cermet coatings exhibit excellent abrasive and erosive wear resistance due to the presence of high volume fraction of WC particles bounded by a tough cobalt or cobalt-chromium alloy binder. However, ...
    • Development of biomimetic NiTi alloy: influence of thermo-chemical treatment on the physical, mechanical and biological behavior 

      Rupérez de Gracia, Elisa; Manero Planella, José María; Bravo González, Luis-Alberto; Espinar, Eduardo; Gil Mur, Francisco Javier (2016-06)
      Article
      Open Access
      A bioactive layer, free of nickel, has been performed for its greater acceptability and reliability in clinical applications for NiTi shape memory alloys. In the first step, a safe barrier against Ni release has been ...
    • Development of novel dual-action coatings with osteoinductive and antibacterial properties for 3D-printed titanium implants 

      Rupérez de Gracia, Elisa; Rodríguez Contreras, Alejandra María; Manero Planella, José María; Guillem Martí, Jordi; Ginebra Molins, Maria Pau; Torres Garrido, Diego; Calero Martínez, José Antonio (Elsevier, 2020-09-02)
      Article
      Open Access
      Covenantee:   Institut de Bioenginyeria de Catalunya
      Gallium (Ga) has been recently proposed as a novel therapeutic agent, since it promotes bone formation and exhibits antibacterial properties. This work focuses on the optimization of a thermochemical treatment that ...