Exploració per tema "Chitosan"

Ara es mostren els items 1-20 de 34

    • A novel strategy to enhance interfacial adhesion in fiber-reinforced calcium phosphate cement 

      Gallinetti, Sara; Mestres, Gemma; Canal Barnils, Cristina; Persson, Cecilia; Ginebra Molins, Maria Pau (Elsevier, 2017-11-01)
      Article
      Accés obert
      Realitzat a/amb:   Uppsala universitet
      Calcium phosphate cements (CPCs) are extensively used as synthetic bone grafts, but their poor toughness limits their use to non-load-bearing applications. Reinforcement through introduction of fibers and yarns has been ...

    • Antimony removal from water by a chitosan-Iron(III)[ChiFer(III)] biocomposite 

      Lapo, Byron; Demey Cedeño, Hary; Carchi, Tany; Sastre Requena, Ana María (Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-01)
      Article
      Accés obert
      The presence of antimony(III) in water represents a worldwide concern, mainly due to its high toxicity and carcinogenicity potential. It can be separated from water by the use of sustainable biopolymers such as chitosan ...

    • Aplicación de biopolímeros a tejidos: el quitosano 

      Golán Mascaró, Júlia (Universitat Politècnica de Catalunya, 2016-10-27)
      Treball Final de Grau
      Accés obert

    • Bacterial cellulose-chitosan paper with antimicrobial and antioxidant activities 

      Cabañas Romero, L. Verónica; Valls Vidal, Cristina; Valenzuela, Susana V.; Roncero Vivero, María Blanca; Javier Pastor, F.I.; Diaz Lucea, M. Pilar; Martínez Martínez, Josefina (2020-03-12)
      Article
      Accés obert
      The production of paper-based bacterial cellulose-chitosan (BC-Ch) nanocomposites was accomplished following two different approaches. In the first, BC paper sheets were produced and then immersed in an aqueous solution ...

    • Boron recovery from seawater with a new low-cost adsorbent material 

      Demey Cedeño, Hary; Vincent, Thierry; Ruiz Planas, Montserrat; Nogueras Cervera, Marc; Sastre Requena, Ana María; Guibal, Eric (2014-10-15)
      Article
      Accés restringit per política de l'editorial
      A new adsorbent [chiFer(III)] for boron recovery from seawater was prepared using chitosan and iron(III) hydroxide. Experiments were carried out in a column system. Seawater samples were collected from the Mediterranean ...

    • 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)
      Article
      Accés obert
      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 ...

    • Chitosan and chitosan ZnO-based complex nanoparticles: formation, characterization, and antibacterial activity 

      Perelshtein, Ilana; Ruderman, Yelena; Perkas, Nina; Tzanov, Tzanko; Beddow, Jamie; Joyce, Eadaoin; Mason, Timothy J.; Blanes, María; Mollá, Korina; Patlolla, Anitha; Frenkel, Anatoly I.; Gedanken, Aharon (Royal Society of Chemistry, 2013-02-04)
      Article
      Accés restringit per política de l'editorial

    • Chitosan microcapsules: methods of the production and use in textile finishing 

      Borges Valle, Jorge Alexandre; Sisqueira Curto Valle, Rita de Cassia; Krause Bierhalz, Andrea Cristiane; Maesta Bezerra, Fabricio; López Hernández, Arianne; Lis Arias, Manuel José (Wiley, 2021-01-13)
      Article
      Accés obert
      Biopolymeric chitosan is considered a promising encapsulating agent for tex-tile applications due to its biocompatibility, lack of toxicity, antibacterial activ-ity, high availability, and low cost. After cellulose, it is ...

    • Chitosan patterning on titanium alloys 

      Gilabert Chirivella, Eduardo; Pérez Feito, Ricardo; Ribeiro, Clarisse; Ribeiro, Sylvie; Correia, Daniela; González Martin, María Luisa; Manero Planella, José María; Lanceros Méndez, Senentxu; Gallego Ferrer, Gloria; Gómez Ribelles, José Luis (2017)
      Article
      Accés obert
      Realitzat a/amb:   Universitat Politècnica de València. Centro de Biomateriales e Ingeniería Tisular
      Titanium and its alloys are widely used in medical implants because of their excellent properties. However, bacterial infection is a frequent cause of titanium-based implant failure and also compromises its osseointegration. In ...

    • Chitosan patterning on titanium implants 

      Gilabert Chirivella, Eduardo; Perez Feito, Ricardo; Ribeiro, Clarisse; Ribeiro, Sylvie; Correia, Daniela M.; Gonzalez Martin, Maria Luisa; Manero Planella, José María; Lanceros Méndez, Senentxu; Gallego Ferrer, Gloria; Gómez Ribelles, José Luis (2017-10-01)
      Article
      Accés obert
      Realitzat a/amb:   Universitat Politècnica de València. Centro de Biomateriales e Ingeniería Tisular
      Titanium and its alloys are widely used in medical implants because of their excellent properties. However, bacterial infection is a frequent cause of titanium-based implant failure and also compromises its osseointegration. ...

    • Chitosan-Based Drug Delivery System: Applications in Fish Biotechnology 

      Wu, Yuanbing; Rashidpour, Ania; Almajano Pablos, María Pilar; Meton Teijeiro, Isidoro (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-01)
      Article
      Accés obert
      Chitosan is increasingly used for safe nucleic acid delivery in gene therapy studies, due to well-known properties such as bioadhesion, low toxicity, biodegradability and biocompatibility. Furthermore, chitosan derivatization ...

    • Chitosan-based sustained expression of sterol regulatory element-binding protein 1a stimulates hepatic glucose oxidation and growth in sparus aurata 

      Rashidpour, Ania; Almajano Pablos, María Pilar; Fàbregas Cores, Anna; Meton Teijeiro, Isidoro; Wu, Yuanbing (2023-10-26)
      Article
      Accés obert
      The administration of a single dose of chitosan nanoparticles driving the expression of sterol regulatory element-binding protein 1a (SREBP1a) was recently associated with the enhanced conversion of carbohydrates into ...

    • Development of a new chitosan/Ni(OH)(2)-based sorbent for boron removal 

      Demey Cedeño, Hary; Vincent, Thierry; Ruiz Planas, Montserrat; Sastre Requena, Ana María; Guibal, Eric (2014-05-15)
      Article
      Accés restringit per política de l'editorial
      A new composite containing chitosan (as the encapsulating material) and nickel (II) hydroxide [chiNi(II)] has been manufactured for the removal of boron from aqueous solutions. The biosorbent was characterised using SEM ...

    • Development of chytosan and hyaluronic acid based bioinks for bioprinting technologies 

      Buxeda Sitjà, Àlex (Universitat Politècnica de Catalunya, 2019-07-08)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Politecnico di Torino

    • Differential neuronal and glial behavior on flat and micro patterned chitosan films 

      Mattotti, Marta; Álvarez Pinto, Zaída; Delgado Muñoz, Luis; Mateos Timoneda, Miguel Ángel; Aparicio, Conrado; Planell Estany, Josep Anton; Alcántara Horrillo, Soledad; Engel López, Elisabeth (2017-10-01)
      Article
      Accés obert
      Chitosan is a biodegradable natural polysaccharide that has been widely studied for regenerative purposes in the central nervous system. In this study we assessed the in vitro glial and neuronal cells response to chitosan ...

    • Enzymatic synthesis of a thiolated chitosan-based wound dressing crosslinked with chicoric acid 

      Stefanov, Ivaylo; Hinojosa Caballero, Dolores; Maspoch, Santiago; Hoyo Pérez, Javier; Tzanov, Tzanko (Royal Society of Chemistry (RSC), 2018-10-26)
      Article
      Accés obert
      This work describes the enzymatic synthesis of multifunctional hydrogels for chronic wound treatment using thiolated chitosan and the natural polyphenol chicoric acid. Gelation was achieved by ...

    • Estudio de pretratamientos no térmicos previos al secado para la conservación de excedentes del mercado de abastos de frutas 

      Perez Santillan, Marco Antonio (Universitat Politècnica de Catalunya, 2021-10-27)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Mercabarna

    • Heterogenization of copper catalyst for the oxidation of phenol, a common contaminant in industrial wastewater 

      Castro Cevallos, Ursula Isabel; Fortuny Sanromá, Agustín; Stueber, Frank; Fabregat Llangostera, Azael; Font Capafons, Josep; Bengoa, Christophe José (2013-07)
      Article
      Accés obert
      Advance oxidation process was employed as a pretreat- ment of industrial wastewater. For this purpose, the use of heavy metals as a catalyst is necessary but also complicated because homogeneous catalysts are difficult ...

    • Hybrid chitosan-silver nanoparticles enzymatically-embedded on cork filter material for water disinfection 

      Garcia Peña, Lina Vanesa; Petkova, Petya; Margalef-Marti, Rosanna; Vives, Marc; Aguilar, Lorena; Gallegos, Angel; Francesko, Antonio; Perelshtein, Ilana; Gedanken, Aharon; Mendoza Gómez, Ernesto; Casas-Zapata, Juan Carlos; Morató Farreras, Jordi; Tzanov, Tzanko (2017-04-05)
      Article
      Accés restringit per política de l'editorial
      Microbial contamination remains a major challenge in supply of drinking water in developing regions, despite the continuous advances being made in water purification processes. The spread and transmission of pathogens due ...

    • Improving the properties of nanocellulose by obtaining biodegradabale multifunctional biomaterials 

      Birsan, Valentina Roxana (Universitat Politècnica de Catalunya, 2022-06-22)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      The idea of a world without plastic is quite difficult to imagine, but not impossible. It is safe to say that almost every individual would want to cooperate and help our planet. Humanity is facing a huge environmental ...