Now showing items 1-20 of 36

  • 3D reconstruction and quantification of porous structures 

    Vergés Garcia, Eduard; Ayala Vallespí, M. Dolors; Grau Carrion, Sergi; Tost Pardell, Daniela (2008)
    Article
    Restricted access - publisher's policy
    In this paper, we describe the methodology that we have designed to quantify the pores distribution in bone implants and the empirical results that we have obtained with BioCAD designed scaffolds, microCT and confocal ...
  • Accelerated hardening of nanotextured 3D-plotted self-setting calcium phosphate inks 

    Raymond Llorens, Santiago; Maazouz, Yassine; Montufar Jiménez, Edgar Benjamin; Perez, Roman A.; González Arcos, Borja; Konka, Joanna Magdalena; Ginebra Molins, Maria Pau (Elsevier, 2018-01-01)
    Article
    Restricted access - publisher's policy
    Direct ink writing (DIW) techniques open up new possibilities for the fabrication of patient-specific bone grafts. Self-setting calcium phosphate inks, which harden at low temperature, allow obtaining nanostructured scaffolds ...
  • 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
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    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 ...
  • Angiogenesis in bone regeneration: tailored calcium release in hybrid fibrous scaffolds 

    Castaño Linares, Óscar; Sachot, Nadège; Xuriguera Martin, Elena; Engel López, Elisabeth; Planell Estany, Josep Anton; Park, Jaegyun; Jin, Guang-Zhen; Kim, Tae-Hyun; Kim, Joong-Hyun; Kim, Hae-Won (2014-05-28)
    Article
    Restricted access - publisher's policy
    Covenantee:  Tan'guk Taehakkyo
    In bone regeneration, silicon-based calcium phosphate glasses (Bioglasses) have been widely used since the 1970s. However, they dissolve very slowly because of their high amount of Si (SiO2 > 45%). Recently, our group has ...
  • Bio-CAD analysis of porosity bioimplants 

    Vergés Garcia, Eduard; Ayala Vallespí, M. Dolors; Grau Carrion, Sergi; Tost Pardell, Daniela (2008)
    Conference report
    Restricted access - publisher's policy
    In this work we present two methods to compute the porosity from a μCT image. One is the virtual simulation of a porosimeter and the other is a sphere-based heuristic approach. Both methods obtain a graph representing the ...
  • Biofunctionalization of titanium surfaces for osseintegration process improvement 

    Sevilla Sánchez, Pablo; Godoy Gallardo, Maria; Rodríguez Rius, Daniel; Gil Mur, Francisco Javier (Institute Of Physics Publishing Ltd, 2010-06-01)
    Article
    Restricted access - publisher's policy
    This study aims to improve the osseointegration of titanium implants through surface immobilization of peptides that induce a beneficial biological response. This was carried out biofunctionalizating titanium surfaces by ...
  • Caracterización fisicoquímica de materiales de regeneración ósea y su aplicación para la liberación local de antibióticos 

    Sabaté Salvador, Ramon (Universitat Politècnica de Catalunya, 2015-07)
    Bachelor thesis
    Restricted access - author's decision
    El proyecto estudia la viabilidad de cargar materiales de regeneración ósea con antibiótico (doxiciclina) de manera profiláctica. Para ello se han caracterizado las propiedades fisicoquímicas de los distintos materiales ...
  • Comportamiento celular en andamios fabricados por rapid prototyping para la ingeniería tisular ósea 

    Puech, Laurent (Universitat Politècnica de Catalunya, 2013-02)
    Master thesis (pre-Bologna period)
    Open Access
    La fabricación de nuevos andamios biodegradables capaces de guiar y estimular la regeneración ósea es un objetivo de gran importancia en la ingeniería de los tejidos. En este sentido, se han desarrollado innovadoras ...
  • Desarrollo de andamios macroporosos. Hidroxiapatita-Gelatina para aplicaciones en ingeniería de tejidos óseos 

    De Bona Rocha, Tatiane (Universitat Politècnica de Catalunya, 2009-06)
    Master thesis
    Restricted access - author's decision
    En el presente trabajo se buscó desarrollar andamios macroporosos, basados en cementos de fosfato de calcio, para aplicaciones en ingeniería de tejidos, más específicamente para la regeneración ósea. La optimización y ...
  • Design of calcium phosphate scaffolds with controlled simvastatin release by plasma polymerisation 

    Canal Barnils, Cristina; Khurana, Kanupriya; Gallinetti, Sara; Bhatt, Sudhir; Pulpytel, Jerome; Arefi Khonsari, Farzaneh; Ginebra Molins, Maria Pau (Elsevier, 2016-06-01)
    Article
    Open Access
    Covenantee:  Université Pierre et Marie Curie / Universitat Autònoma de Barcelona
    Calcium Phosphates (CaPs) have excellent bone regeneration capacity, and their combination with specific drugs is of interest because it allows adding new functionalities. In CaPs, drug release is mainly driven by diffusion, ...
  • Directing bone marrow-derived stromal cell function with mechanics 

    Potier, Esther; Noailly, Jérôme; Ito, Keita (2010-03-22)
    Article
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    Because bone marrow-derived stromal cells (BMSCs) are able to generate many cell types, they are envisioned as source of regenerative cells to repair numerous tissues, including bone, cartilage, and ligaments. Success ...
  • Electrospun gelatin/poly(epsilon-caprolactone) fibrous scaffold modified with calcium phosphate for bone tissue engineering 

    Rajzer, Izabella; Menaszek, Elzbieta; Kwiatkowski, Ryszard; Castaño Linares, Óscar; Planell Estany, Josep Anton (2014-11-01)
    Article
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    In this study gelatin (Gel) modified with calcium phosphate nanoparticles (SG5) and polycaprolactone (PCL) were used to prepare a 3D bi-layer scaffold by collecting electrospun PCL and gelatin/SG5 fibers separately in the ...
  • Estudio de la influencia de la pérdida de trabéculas en el comportamiento mecánico de estructuras porosas 

    Lancharro Hurtado, Aitor (Universitat Politècnica de Catalunya, 2017-01)
    Bachelor thesis
    Restricted access - author's decision
    En la actualidad, muchas personas se ven afectadas por lesiones y afecciones óseas. Por esta razón, durante años se ha intentado buscar soluciones como la sustitución de tejido óseo por algún tipo de andamio poroso. No ...
  • Estudio de microtransportadores de hidroxiapatita (HA)/biopolímeros para regeneración ósea 

    Riccardi Hernández, Kiara Zulima (Universitat Politècnica de Catalunya, 2010-09)
    Master thesis
    Restricted access - author's decision
    En el presente trabajo, en primer lugar, se evaluó el comportamiento de microtransportadores (MT),basados en un cemento de fosfato tricálcico alfa (alfa-TCP) y susmezclas con colágeno y gelatina, en cultivos dinámicos de ...
  • Estudio experimental del relleno de cavidades óseas con hidroxiapatita asociada a colágeno 

    Morales de Cano, Juan Manuel; Romero Ruiz, J.; García Ruzafa, A.; Fernández Sabaté, A. (Sociedad Ibérica de Biomecánica y Biomateriales, 1997-12)
    Article
    Open Access
    La cirugía ortopédica y maxilo-facial necesita realizar en muchas ocasiones resecciones masivas de tejido óseo. Esto ha hecho que se hayan propuesta la utilización de materiales inertes como sustitutos óseos, gracias a la ...
  • Evaluation of the mechanical reinforcement of Calcium Phosphate Cements with resorbable fibres treated by low temperature plasma 

    Fleps, Ingmar (Universitat Politècnica de Catalunya, 2014-09)
    Master thesis
    Restricted access - author's decision
    Replacing bone in load bearing sites still poses a challenge. Fiber reinforcement of calcium phosphate based cements is a promising strategy to develop bone substitutes with improved mechanical properties. In this study, ...
  • Fabricación de estructuras tri-dimensionales para la regeneración ósea 

    Van Nieuwenhuyse, Thomas (Universitat Politècnica de Catalunya, 2011-02)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Este proyecto, realizado en el Institute for BioEngineering of Catalonia y por lo tanto implicado en el dominio de la ingeniería de los tejidos, pretende fabricar y caracterizar materiales híbridos que serían adecuados y ...
  • Improved virtual porosimeter 

    Vergés Garcia, Eduard; Ayala Vallespí, M. Dolors (2008)
    Conference report
    Restricted access - publisher's policy
    Recently, the term BioCAD has appeared to refer to the modeling of biological processes. This work focuses on the analysis of structural properties such as porosity of bioimplants for bone reconstruction. Specifically, ...
  • Influence of acid-etching after grit-blasted on osseointegration of titanium dental implants: in vitro and in vivo studies 

    Herrero Climent, Mariano; Lázaro, Pedro; Rios Santos, Jose Vicente; Lluch Margarit, Sara; Marqués Calvo, M. Soledad; Guillem Martí, Jordi; Gil Mur, Francisco Javier (2013-04)
    Article
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  • Influence of cold work in the elastic modulus of the Ti-16.2Hf-24.8Nb-1Zr alloy characterized by instrumented nanoindentation 

    González Colominas, Marta; Peña Andrés, Francisco Javier; Manero Planella, José María; Gil Mur, Francisco Javier (2010)
    Article
    Restricted access - publisher's policy
    Nowadays, β type Ti-based alloys have been developed for load transfer clinical applications due to their superelasticity, shape memory effect, low elastic modulus and high damping capacity [1]. These properties promote ...