Now showing items 1-12 of 12

    • 3D-printed polymer-infiltrated ceramic network with antibacterial biobased silver nanoparticles 

      Hodásová, L'udmila; Morena Gatius, Ángela Gala; Tzanov, Tzanko; Fargas Ribas, Gemma; Llanes Pitarch, Luis Miguel; Alemán Llansó, Carlos; Armelín Diggroc, Elaine Aparecida (American Chemical Society, 2022-01-01)
      Article
      Open Access
      This work aimed at the antimicrobial functionalization of 3D-printed polymer-infiltrated biomimetic ceramic networks (PICN). The antimicrobial properties of the polymer-ceramic composites were achieved by coating them with ...
    • Antibacterial lignin-based nanoparticles and their use in composite materials 

      Morena Gatius, Ángela Gala; Tzanov, Tzanko (Royal Society of Chemistry (RSC), 2022-10-11)
      Article
      Open Access
      Lignin, one of the most abundant biopolymers on earth, has been traditionally considered a low-value by-product of the pulp and paper industries. This renewable raw material, besides being a source of valuable molecules ...
    • Antibacterial polyurethane foams with incorporated lignin-capped silver nanoparticles for chronic wound treatment 

      Morena Gatius, Ángela Gala; Ivanova, Kristina Dimitrova; Pérez Rafael, Silvia; Sánchez Soto, Miguel; Tzanov, Tzanko; Stefanov, Ivaylo (2020-02-26)
      Article
      Open Access
      Lignin-capped silver nanoparticles were incorporated in situ into polyurethane foams during their polymerization to obtain multifunctional materials suitable for chronic wound dressing. Lignin with increased phenolic ...
    • Antibacterial properties and mechanisms of action of sonoenzymatically synthesized lignin-based nanoparticles 

      Morena Gatius, Ángela Gala; Bassegoda Puigdomenech, Arnau; Natan, Michal; Jacobi, Gila; Banin, Ehud; Tzanov, Tzanko (2022-08-12)
      Article
      Open Access
      In recent years, lignin has drawn increasing attention for different applications due to its intrinsic antibacterial and antioxidant properties, coupled with biodegradability and biocompatibility. However, chemical ...
    • Antimicrobial lightweight materials and components 

      Morena Gatius, Ángela Gala; Ferreres Cabanes, Guillem; Ivanova, Kristina Dimitrova; Pérez Rafael, Silvia; Tzanov, Tzanko (Elsevier, 2020-12-02)
      Part of book or chapter of book
      Restricted access - publisher's policy
      Lightweight materials and components have gained remarkable scientific and technological importance in the recent times as the main drivers of innovation. They are finding widespread use across all industry sectors to ...
    • Hybrid tellurium-lignin nanoparticles with enhanced antibacterial properties 

      Morena Gatius, Ángela Gala; Bassegoda Puigdomenech, Arnau; Hoyo Pérez, Javier; Tzanov, Tzanko (2021-04-07)
      Article
      Open Access
      The surge of antibiotic-resistant bacteria is leading to the loss of antibiotic treatment effectiveness, resulting in prolonged infections and even death. Against this healthcare threat, antimicrobial nanoparticles that ...
    • Influence of enzymatically hydrophobized hemp protein on morphology and mechanical properties of bio-based polyurethane and epoxy foams 

      Ferreres Cabanes, Guillem; Pérez Rafael, Silvia; Morena Gatius, Ángela Gala; Tzanov, Tzanko; Gryshchuk, Liudmyla (Multidisciplinary Digital Publishing Institute (MDPI), 2023-08-31)
      Article
      Open Access
      Biomass fillers offer the possibility to modify the mechanical properties of foams, increasing their cost-effectiveness and reducing their carbon footprint. In this study, bio-based PU (soft, open cells for the automotive ...
    • Laccase/TEMPO-mediated bacterial cellulose functionalization: production of paper-silver nanoparticles composite with antimicrobial activity 

      Morena Gatius, Ángela Gala; Roncero Vivero, María Blanca; Valenzuela, Susana V.; Valls Vidal, Cristina; Vidal Lluciá, Teresa; Javier Pastor, F.I.; Diaz Lucea, M. Pilar; Martínez Martínez, Josefina (2019-01-01)
      Article
      Open Access
      Bacterial cellulose (BC) was functionalized applying the Laccase/TEMPO oxidative treatment, leading to a five-fold increase of the concentration of carboxyl groups. Paper produced with this cellulose showed improved ...
    • Lignin-based nanoparticles as both structural and active elements in self-assembling and self-healing multifunctional hydrogels for chronic wound management 

      Morena Gatius, Ángela Gala; Pérez Rafael, Silvia; Tzanov, Tzanko (Multidisciplinary Digital Publishing Institute (MDPI), 2022-11-30)
      Article
      Open Access
      Efficient wound healing is feasible when the dressing materials simultaneously target multiple factors causing wound chronicity, such as deleterious proteolytic and oxidative enzymes and bacterial infection. Herein, entirely ...
    • Lingnin-based nanoparticles with antibacterial properties and their nanocomposite materials for wound healing 

      Morena Gatius, Ángela Gala (Universitat Politècnica de Catalunya, 2023-03-10)
      Doctoral thesis
      Open Access
      (English) Lignocellulosic biomass is an abundant renewable resource considered a suitable carbon raw material for the synthesis of chemicals and as an alternative to fossil fuels energy supply source. Cellulose, hemicellulose, ...
    • Microbial cellulose from a komagataeibacter intermedius strain isolated from commercial wine vinegar 

      Fernández Santos, Julia; Morena Gatius, Ángela Gala; Valenzuela Mayorga, Susana Valeria; Pastor Blasco, Francisco Ignacio Javier; Diaz Lucea, M. Pilar; Martinez, Josefina (2019-02-21)
      Article
      Open Access
      In this study a new bacterial cellulose (BC) producer isolated from commercial vinegar is identified as Komagataeibacter intermedius JF2 based on the examination of general taxonomical characteristics, 16S rDNA sequence ...
    • Rigid composite bio-based polyurethane foams: from synthesis to LCA analysis 

      Recupido, Federica; Lama, Giuseppe C.; Ammendola, Mario; De Lucca Bossa, Ferdinando; Minigher, Andrea; Campaner, Pietro; Morena Gatius, Ángela Gala; Tzanov, Tzanko; Ornelas, Mariana; Barros, Ana; Gomes, Filipa; Bouça, Veronica; Malagueiro, Regina; Sanchez, Monica; Martinez, Eva; Sorrentino, Luigi; Boggioni, Laura; Perucca, Massimo; Anegalla, Sridhar; Marzella, Roberta; Moimare, Pierluigi; Verdolotti, Letizia (Elsevier, 2023-01)
      Article
      Restricted access - publisher's policy
      Our current industrial ammonia cycle is far from being sustainable – while intense energy is required to produce ammonia – almost half of it ends up in wastewater treatment plants (WWTPs) where is finally transformed and ...