Exploració per tema "Calcium phosphate"

Ara es mostren els items 1-20 de 76

    • 3D printing non-cylindrical strands: morphological and structural implications 

      Raymond Llorens, Santiago; Thorel, Emilie; Liversain, Margaux; Riveiro Rodríguez, Antonio; Pou, Juan; Ginebra Molins, Maria Pau (Elsevier, 2021-10-01)
      Article
      Accés obert
      Realitzat a/amb:   Mimetis Biomaterials / Universidade de Vigo
      Conventional direct ink writing uses circular nozzles and, therefore, results in cylindrical strands. 3D printing with non-circular nozzles adds new degrees of freedom to this versatile technology, and allows obtaining ...

    • 3D printing of calcium phosphate bioceramics by digital light processing 

      Fagotto Clavijo, Roberto (Universitat Politècnica de Catalunya, 2023-07-03)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      En l'actualitat, la impressió per processament digital de la llum (DLP) s'ha revelat com un enfocament prometedor per a l'enginyeria òssia, demostrant la seva capacitat per a reproduir substituts ossis amb arquitectures ...

    • 3D-printed calcium phosphate scaffolds for bone regeneration: impact of geometry and treatment an in vivo study 

      Lehmann, Cyril Jean Roland Louis (Universitat Politècnica de Catalunya, 2020-02-18)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Université de Lorraine
      The combination of the direct ink writing (DIW) manufacturing technique, also named robocasting, with the use of self-setting calcium phosphate inks based on α-tricalcium phosphate opens new possibilities ...

    • 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
      Accés obert
      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 ...

    • Avaluació dels Efectes del Tractament de Plasma de Baixa Temperatura sobre Ciments de Fosfat de Calci per a la millora de la Regeneració Òssia. 

      Dominguez Cardona, Pol (Universitat Politècnica de Catalunya, 2013-02)
      Projecte/Treball Final de Carrera
      Accés obert
      Els ciments de fosfat de calci són materials molt utilitzats en aplicacions biomèdiques per a l’ompliment de cavitats òssies. Es troben constituı̈ts per una fase sòlida en forma de pols i un lı́quid, que al mesclar-se ...

    • Bioceramics and bone healing 

      Ginebra Molins, Maria Pau; Español Pons, Montserrat; Maazouz, Yassine; Bergez, Victor; Pastorino Carraz, David (2018-05-01)
      Article
      Accés obert
      - Calcium phosphates have long been used as synthetic bone grafts. Recent studies have shown that the modulation of composition and textural properties, such as nano-, micro- and macro-porosity, is a powerful strategy to ...

    • Biomimetic versus sintered calcium phosphates: The in vitro behavior of osteoblasts and mesenchymal stem cells 

      Sadowska, Joanna Maria; Guillem Martí, Jordi; Montufar Jiménez, Edgar Benjamin; Español Pons, Montserrat; Ginebra Molins, Maria Pau (2017-12-01)
      Article
      Accés obert
      © Copyright 2017, Mary Ann Liebert, Inc.The fabrication of calcium phosphates using biomimetic routes, namely, precipitation processes at body temperature, results in distinct features compared to conventional sintered ...

    • Biominerals formed by DNA and calcium oxalate or hydroxyapatite: a comparative study 

      Revilla López, Guillermo; Rodríguez Rivero, Anna M.; Valle Mendoza, Luis Javier del; Puiggalí Bellalta, Jordi; Turon, Pau; Alemán Llansó, Carlos (2019-09-10)
      Article
      Accés obert
      Biominerals formed by DNA and calcium oxalate (CaOx) or hydroxyapatite (HAp), the most important and stable phase of calcium phosphate) have been examined and compared using a synergistic combination of computer simulation ...

    • Brushite foams - the effect of Tween® 80 and Pluronic® F-127 on foam porosity and mechanical properties 

      Unosson, Johanna; Montufar Jiménez, Edgar Benjamin; Engqvist, Hakan; Ginebra Molins, Maria Pau; Persson, Cecilia (2015-01-23)
      Article
      Accés obert
      Realitzat a/amb:   Uppsala universitet
      Resorbable calcium phosphate based bone void fillers should work as temporary templates for new bone formation. The incorporation of macropores with sizes of 100 -300 µm has been shown to increase the resorption rate of ...

    • Calcium phosphate cements: Optimization toward biodegradability 

      Lodoso Torrecilla, Irene; van den Beucken, Jeroen J.J.P.; Jansen, John A. (Elsevier, 2020-01-01)
      Article
      Accés obert
      Synthetic calcium phosphate (CaP) ceramics represent the most widely used biomaterials for bone regenerative treatments due to their biological performance that is characterized by bioactivity and osteoconductive properties. ...

    • Calcium phosphate neuron-like structures: a rare case or a common structure? 

      Español, M.; Zhao, Z.T.; Almunia, J; Ginebra Molins, Maria Pau (Royal Society of Chemistry, 2014-01-01)
      Article
      Accés obert
      Underneath the unique and beautiful structures of biominerals there is always the presence of organic molecules that tightly interact with the developing inorganic nuclei/crystal directing its growth and assembly towards ...

    • Cementos de fosfato tricálcico sustituidos con silicio: estudio de la bioactividad y de la liberacion de iones 

      Maazouz, Yassine (Universitat Politècnica de Catalunya, 2010-02)
      Projecte/Treball Final de Carrera
      Accés obert
      El presente proyecto, que estudia un cemento de fosfato de calcio dopado con silicio y lo compara con el cemento análogo sin dopar, se divide en dos partes. En la primera, se evalúa la bioactividad de ambos cementos in ...

    • Changes in the drug release pattern of fresh and set simvastatin-loaded brushite cement 

      Mestres Beà, Gemma; Kugiejko, Karol; Pastorino Carraz, David; Unosson, Johanna; Ohman, Caroline; Karlsson Ott, Marjam; Ginebra Molins, Maria Pau; Persson, Cecilia (2016-01-01)
      Article
      Accés obert
      Realitzat a/amb:   Uppsala universitet
      Calcium phosphate cements are synthetic bone graft substitutes able to set at physiological conditions. They can be applied by minimally invasive surgery and can also be used as drug delivery systems. Consequently, the ...

    • Characterization of Calcium Phosphate Structures obtained by 3D Printing 

      Molina Herrero, Antonio (Universitat Politècnica de Catalunya, 2020-02-06)
      Treball Final de Grau
      Accés obert
      Image processing is a technique that is increasingly being used to extract, quickly and easily, different parameters used to characterize three-dimensional structures that, through other conventional characterization ...

    • Compressive, diametral tensile and biaxial flexural strength of cutting-edge calcium phosphate cements 

      Luo, Jun; Ajaxon, Ingrid; Ginebra Molins, Maria Pau; Engqvist, Hakan; Persson, Cecilia (Elsevier, 2016-07-01)
      Article
      Accés obert
      Realitzat a/amb:   Uppsala universitet
      © 2016 The Authors. Calcium phosphate cements (CPCs) are widely used in bone repair. Currently there are two main types of CPCs, brushite and apatite. The aim of this project was to evaluate the mechanical properties of ...

    • Computation of liquid phase migration occurring during the injection of cement materials 

      Todeschini, Yann (Universitat Politècnica de Catalunya, 2014-02)
      Projecte/Treball Final de Carrera
      Accés obert
      Ceramic bone cements, mainly calcium phosphate based, represent an alternative to the polymeric cements used in Vertebroplasty. Unfortunately, calcium phosphate bone cements, which are made from mixing solid powder and ...

    • Control de la velocidad de degradación de materiales compuestos para aplicaciones biomédicas. 

      Sánchez, S.; Navarro, M.; Aparicio, C.; Ginebra Molins, Maria Pau; Planell Estany, Josep Anton (Sociedad Ibérica de Biomecánica y Biomateriales, 2004-10)
      Article
      Accés obert
      En este trabajo se ha utilizado la técnica del dipping, para practicar varios tipos de recubrimientos de ácido poliláctico sobre un nuevo material compuesto totalmente biodegradable formado por PLA + vidrio de fosfato; ...

    • Control of microenvironmental cues with a smart biomaterial composite promotes endothelial progenitor cell angiogenesis 

      Aguirre, Adrián; Gonzalez, Arlyng; Navarro, Melba; Castaño Linares, Óscar; Planell Estany, Josep Anton; Engel López, Elisabeth (2012-09)
      Article
      Accés obert
      Smart biomaterials play a key role when aiming at successful tissue repair by means of regenerative medicine approaches, and are expected to contain chemical as well as mechanical cues that will guide the regenerative ...

    • Desarrollo de andamios macroporosos. Hidroxiapatita-Gelatina para aplicaciones en ingeniería de tejidos óseos 

      De Bona Rocha, Tatiane (Universitat Politècnica de Catalunya, 2009-06)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      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 ...

    • Desarrollo de nuevos cementos óseos a base de fosfato de calcio: resumen de un estudio piloto 

      Driessens, Ferdinand C. M.; Bermúdez, O.; Boltong, M.G.; Planell Estany, Josep Anton (Sociedad Ibérica de Biomecánica y Biomateriales, 1994)
      Article
      Accés obert
      Los cementos basados en fosfatos de calcio ofrecen una excelente biocompatibilidad y capacidad para promover el crecimiento óseo, por lo cual son de interés en odontología y ortopedia. El presente trabajo ha conducido hasta ...