Now showing items 1-11 of 11

    • Bottom-up layer-by-layer assembling of antibacterial freestanding nanobiocomposite films 

      Francesko, Antonio; Ivanova, Kristina Dimitrova; Hoyo Pérez, Javier; Pérez-Rafael, Silvia; Petkova, Petya; Fernandes Macedo, Margarida Maria; Heinze, Thomas; Mendoza Gómez, Ernesto; Tzanov, Tzanko (2018-07-27)
      Open Access
      In this study, freestanding nanobiocomposite films were obtained by the sequential deposition of biopolymer-capped silver nanoparticles (AgNPs) and hyaluronic acid (HA). At first, dispersions ofAgNPs decorated with chitosan ...
    • BSA- and elastin-coated GO, but not collagen-coated GO, enhance the biological performance of alginate hydrogels 

      Raslan, Ahmed; Saenz del Burgo, Laura; Espona Noguera, Albert; Ochoa de Retana, Ana Maria; Sanjuán, María Luisa; Cañibano-Hernández, Alberto; Gálvez-Martín, Patriza; Ciriza, Jesús; Pedraz, Jose Luiz (2020-06-11)
      Open Access
      The use of embedded cells within alginate matrices is a developing technique with great clinical applications in cell-based therapies. However, one feature that needs additional investigation is the improvement of ...
    • Development of an alginate-based hydrogel loaded with multifuncional gold nanoparticles for regenerative therapies 

      Sáez Ríos, Marta (Universitat Politècnica de Catalunya, 2019-02-28)
      Master thesis
      Open Access
      The aim of this project was to develop a multifunctional alginate-based hydrogel modified with peptide-functionalized gold nanoparticles (AuNPs). Hydrogels are versatile materials, commonly used in tissue engineering due ...
    • Escherichia coli and pseudomonas aeruginosa eradication by nano-penicillin G 

      Macedo Fernandes, Margarida Maria; Ivanova, Kristina Dimitrova; Francesko, Antonio; Rivera, Diana; Torrent Burgués, Juan; Mendoza Gómez, Ernesto; Tzanov, Tzanko (2016-06-09)
      Open Access
      The transformation of penicillin G into nano/micro-sized spheres (nanopenicillin) using sonochemical technology was explored as a novel tool for the eradication of Gram-negative bacteria and their biofilms. Known by its ...
    • Layer-by-layer decorated nanoparticles with tunable antibacterial and antibiofilm properties against both gram-positive and gram-negative bacteria 

      Ivanova, Aleksandra Asenova; Ivanova, Kristina Dimitrova; Hoyo Pérez, Javier; Sanchez-Gomez, Susana; Heinze, Thomas; Tzanov, Tzanko (2018-01-09)
      Open Access
      acteria-mediated diseases are a global healthcare concern due to the development and spread of antibiotic resistant strains. Cationic compounds are considered membrane active biocidal agents having a great potential to ...
    • Multifuncional biopolymer-bases materials for modulatig the activites of chromic wound enzymes 

      Francesko, Antonio (Universitat Politècnica de Catalunya, 2012-11-29)
      Doctoral thesis
      Open Access
      This thesis focuses on the development of active multifunctional dressing materials and nanoparticle formulations with suitable exploitation characteristics for chronic wounds treatment. Chronic wounds a growing clinical ...
    • Nanoparticles of esterified polymalic acid for controlled anticancer drug release 

      Lanz Landazuri, Alberto; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Portilla Arias, Jose Antonio; García Álvarez, Montserrat; Holler, Eggehard; Ljubimova, Julia; Muñoz Guerra, Sebastián (2014-09-01)
      Restricted access - publisher's policy
      Esterification of microbial poly(malic acid) is performed with either ethanol or 1-butanol to obtain polymalate conjugates capable to form nanoparticles (100–350 nm). Degradation under physiological conditions takes place ...
    • Nanopartícules d’òxid de ferro com a biomaterial pel marcatge cel·lular 

      Serra Bigas, Estela (Universitat Politècnica de Catalunya, 2012-11)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Les nanopartícules magnètiques (NP) tenen unes característiques molt adients per ser utilitzades en múltiples aplicacions biomèdiques. Una d’aquestes aplicacions és la utilització de nanopartícules magnètiques per potenciar ...
    • Polysaccharide-gold nanoparticles as anticancer drugs carriers 

      Vila Gasull, Mireia (Universitat Politècnica de Catalunya / Universidade do Porto, 2011)
      Master thesis (pre-Bologna period)
      Open Access
      Recent advances in nanotechnology have offered a wealth of new opportunities for the design of new therapy of cancer creating new drug delivery systems. It has been possible to produce nanoparticles, in particular ...
    • Strategies to prevent the occurrence of resistance against antibiotics by using advanced materials 

      Bassegoda Puigdomenech, Arnau; Ivanova, Kristina Dimitrova; Ramon Portés, Eva; Tzanov, Tzanko (2018-02-01)
      Open Access
      Drug resistance occurrence is a global healthcare concern responsible for the increased morbidity and mortality in hospitals, time of hospitalisation and huge financial loss. The failure of the most antibiotics to kill ...
    • Upconverting and plasmonic nanomaterials for targeted detection and treatment of bladder cancer 

      Londoño Ramírez, Horacio (Universitat Politècnica de Catalunya, 2013-07-18)
      Bachelor thesis
      Open Access
      Covenantee:   University of Colorado Boulder
      [ANGLÈS] Gold nanoparticles show a great potential as transducer agents in photothermal therapy thanks to their enhanced absorption due to a phenomenon known as surface plasmon resonance. Gold nanorods with a strong ...