Graphic summary
  • Show / hide key
  • Information


Scientific and technological production
  •  

1 to 50 of 77 results
  • Polymer-metal nanocomposites containing dual-function metal nanoparticles: ion-exchange materials modified with catalytically-active and bactericide silver nanoparticles

     Domènech Garcia, Berta; Vigués, Núria; Mas Gordi, Jordi; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Solvent extraction and ion exchange
    Vol. 32, num. 3, p. 301-315
    DOI: 10.1080/07366299.2013.839192
    Date of publication: 2014-04-03
    Journal article

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    This work reports the results obtained by the development of two types of nanocomposite membranes containing metal nanoparticles prepared by applying the Intermatrix Synthesis technique for the synthesis of silver nanoparticles in the ion-exchange matrices of sulfonated polyethersulfone-Cardo and Nafion membranes. The stability (in terms of silver nanoparticles loss) of the polymer-metal nanocomposites was evaluated by using both ultrasonic and thermostatic baths and appeared to be appropriate for their practical applications. The dual-function nanocomposites were characterized in batch tests, first, by monitoring their catalytic activity in the reduction of p-nitrophenol to p-aminophenol and second, by evaluating their antibacterial efficiency towards E. coli. The results of the catalytic tests have shown that polymer-silver nanocomposites demonstrate remarkably better activity in comparison with their polymer-palladium nanocomposite analogues. The same nanocomposites have been shown to permit the complete disinfection of E. coli containing water within a short period of time.

    This work reports the results obtained by the development of two types of nanocomposite membranes containing metal nanoparticles prepared by applying the Intermatrix Synthesis technique for the synthesis of silver nanoparticles in the ion-exchange matrices of sulfonated polyethersulfone-Cardo and Nafion membranes. The stability (in terms of silver nanoparticles loss) of the polymer-metal nanocomposites was evaluated by using both ultrasonic and thermostatic baths and appeared to be appropriate for their practical applications. The dual-function nanocomposites were characterized in batch tests, first, by monitoring their catalytic activity in the reduction of p-nitrophenol to p-aminophenol and second, by evaluating their antibacterial efficiency towards E. coli. The results of the catalytic tests have shown that polymer-silver nanocomposites demonstrate remarkably better activity in comparison with their polymer-palladium nanocomposite analogues. The same nanocomposites have been shown to permit the complete disinfection of E. coli containing water within a short period of time.

  • Access to the full text
    Uncommon patterns in Nafion films loaded with silver nanoparticles  Open access

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Chemical communications
    Vol. 50, p. 4693-4695
    DOI: 10.1039/C4CC01285B
    Date of publication: 2014-03-13
    Journal article

    Read the abstract Read the abstract Access to the full text Access to the full text Open in new window  Share Reference managers Reference managers Open in new window

    Nafion has been frequently used for the synthesis of nanoparticles by taking advantage of its so-called cluster-network structure. Unexpectedly, the synthesis of AgNPs inside Nafion 117 was found to produce NPs organization, resulting in a regular pattern that could reveal the real morphology of the polymer.

    Nafion has been frequently used for the synthesis of nanoparticles by taking advantage of its so-called cluster-network structure. Unexpectedly, the synthesis of AgNPs inside Nafion 117 was found to produce NPs organization, resulting in a regular pattern that could reveal the real morphology of the polymer.

  • Intermatrix synthesis and characterization of polymer-stabilized functional metal and metal oxide nanoparticles

     Alonso González, Amanda; Davies, Gemma L.; Satti, A.; Macanás de Benito, Jorge; Gun'ko, Yuri K.; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    Date of publication: 2014-01
    Book chapter

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Resolving the electrospinnability zones and diameter prediction for the electrospinning of the gelatin/water/acetic acid system

     Erencia Millan, Maria Salud; Cano Casas, Francisco; Tornero Garcia, Jose Antonio; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando
    Langmuir
    Vol. 30, num. 24, p. 7198-7205
    DOI: 10.1021/la501183f
    Date of publication: 2014-05-28
    Journal article

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    The development of suitable biomimetic scaffolds is a fundamental requirement of tissue engineering. Although electrospinning has emerged as an effective method for producing such scaffolds of nanometer-sized fibers, the influence of solution characteristics on the morphology of the resulting nanofibers depends on each polymer solution system. In this study, gelatin nanofibers and microfibers were prepared via electrospinning using mixtures of water and acetic acid at different ratios as solvents. The viscosities of gelatin solutions before electrospinning were analyzed and two different behaviors were found as a function of the solvent composition, taking into account classic models of polymer science. A power law relationship between viscosity and gelatin concentration was found for each solvent system, and an empirical model including the influence of acetic acid was obtained for aqueous systems. Moreover, a ternary diagram considering gelatin, water, and acetic acid mass fractions was constructed as a tool to establish the electrospinnability domains in terms of fiber occurrence and morphology. Also, the isodiametric curves were defined in the fibers region. Finally, in order to correlate the diameter of electrospun nanofibers and the electrospinnability zones, the Berry number was used. However, as its only allows the range of electrospinnability to be established for a fixed solvent composition, a new dimensionless parameter (Bemod) was suggested to take into account all the acetic acid aqueous solutions as a single solvent

    The development of suitable biomimetic scaffolds is a fundamental requirement of tissue engineering. Although electrospinning has emerged as an effective method for producing such scaffolds of nanometer-sized fibers, the influence of solution characteristics on the morphology of the resulting nanofibers depends on each polymer solution system. In this study, gelatin nanofibers and microfibers were prepared via electrospinning using mixtures of water and acetic acid at different ratios as solvents. The viscosities of gelatin solutions before electrospinning were analyzed and two different behaviors were found as a function of the solvent composition, taking into account classic models of polymer science. A power law relationship between viscosity and gelatin concentration was found for each solvent system, and an empirical model including the influence of acetic acid was obtained for aqueous systems. Moreover, a ternary diagram considering gelatin, water, and acetic acid mass fractions was constructed as a tool to establish the electrospinnability domains in terms of fiber occurrence and morphology. Also, the isodiametric curves were defined in the fibers region. Finally, in order to correlate the diameter of electrospun nanofibers and the electrospinnability zones, the Berry number was used. However, as its only allows the range of electrospinnability to be established for a fixed solvent composition, a new dimensionless parameter (Bemod) was suggested to take into account all the acetic acid aqueous solutions as a single solvent

  • Nanocomposite: new materials for catalytic membranes development

     Macanás de Benito, Jorge; Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Remigy, Jean-Christophe; Lahitte, Jean-François
    Ibero-American Conference on Membrane Science and Technology
    p. 357-358
    Presentation's date: 2014-05-28
    Presentation of work at congresses

     Share Reference managers Reference managers Open in new window

  • Membranes catalytiques contenant de nano-particules métalliques pour le traitement quaternaire des eaux usées

     Macanás de Benito, Jorge; Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Carrillo Navarrete, Fernando; Lahitte, Jean-François; Remigy, Jean-Christophe
    Intégration des membranes dans les procédés
    p. 176
    Presentation's date: 2014-04-09
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Comparative study of elastomeric and biogenic waste composite materials

     Colom Fajula, Xavier; Cañavate Avila, Francisco Javier; Rahhali, Ahmed; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando
    Annual International Conference on Composites/Nano Enginnering
    p. 75-77
    Presentation's date: 2014-07-17
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Electrospinnability zones for the gelatin/water/acetic acid system: effect of acid content on the scaffolds cytotoxicity

     Erencia Millan, Maria Salud; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando
    Mediterranean Congress of Chemical Engineering
    Presentation's date: 2014-09-30
    Presentation of work at congresses

     Share Reference managers Reference managers Open in new window

  • Soportes biomateriales de nanofibras de gelatina obtenidos por electrohilatura de disoluciones gelatina/acético/agua: efecto de la composición en la viabilidad celular

     Erencia Millan, Maria Salud; Cano Casas, Francisco; Tornero Garcia, Jose Antonio; Macedo Fernandes, Margarida Maria; Tzanov, Tzanko; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando
    XIII Congreso Nacional de Materiales
    p. 105-
    Presentation's date: 2014-06-20
    Presentation of work at congresses

     Share Reference managers Reference managers Open in new window

  • Superparamagnetic Ag@Co-nanocomposites on granulated cation exchange polymeric matrices with enhanced antibacterial activity for the environmentally safe purification of water

     Alonso González, Amanda; Muñoz Berbel, F. Xavier; Vigués, Núria; Rodríguez Rodríguez, Rosalía; Macanás de Benito, Jorge; Muñoz Tapia, Maria; Mas López, Jordi; Muraviev, Dmitri N.
    Advanced functional materials
    Vol. 23, num. 19, p. 2450-2458
    DOI: 10.1002/adfm.201202663
    Date of publication: 2013-05
    Journal article

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    Cation exchange polymeric matrices are widely used in water treatment protocols to reduce the mineral content of hard waters, even for human consumption. However, they are not antibacterial and flowing bacteria can be trapped in their structures and proliferate, thus acting as microbial contamination sources. Here, Ag@Co-nanoparticles (Ag@Co-NPs) with a low-cost superparamagnetic Co0-core and an antibacterial Ag-shell are synthesized on granulated cation exchange polymeric matrices under soft reaction conditions. The presence of these NPs provides the final nanocomposite (NC) with additional functionalities (superparamagnetism and antibacterial activity) making it ideal for water purification applications. Ag@Co-NPs are synthesized in situ on four cation exchange polymeric matrices containing either strong (sulfonic) or weak (carboxylic) acid functional groups homogeneously distributed (C-type) or concentrated on an external shell (SST-type) by the intermatrix synthesis (IMS) method. The NCs are characterized (metal content, NP size and distribution, metal oxidative state, and metal release) and evaluated for water purification applications.

    Cation exchange polymeric matrices are widely used in water treatment protocols to reduce the mineral content of hard waters, even for human consumption. However, they are not antibacterial and flowing bacteria can be trapped in their structures and proliferate, thus acting as microbial contamination sources. Here, Ag@Co-nanoparticles (Ag@Co-NPs) with a low-cost superparamagnetic Co0-core and an antibacterial Ag-shell are synthesized on granulated cation exchange polymeric matrices under soft reaction conditions. The presence of these NPs provides the final nanocomposite (NC) with additional functionalities (superparamagnetism and antibacterial activity) making it ideal for water purification applications. Ag@Co-NPs are synthesized in situ on four cation exchange polymeric matrices containing either strong (sulfonic) or weak (carboxylic) acid functional groups homogeneously distributed (C-type) or concentrated on an external shell (SST-type) by the intermatrix synthesis (IMS) method. The NCs are characterized (metal content, NP size and distribution, metal oxidative state, and metal release) and evaluated for water purification applications.

  • Polymer-silver nanocomposites as antibacterial materials

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Date of publication: 2013-12-01
    Book chapter

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Nanocomposite materials for catalytic membranes development

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Date of publication: 2013
    Book chapter

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Access to the full text
    Development of novel catalytically active polymer-metal-nanocomposites based on activated foams and textile fibers  Open access

     Domènech Garcia, Berta; Ziegler, Kharla; Carrillo Navarrete, Fernando; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Nanoscale research letters
    Vol. 8, num. 1, p. 238-243
    DOI: 10.1186/1556-276X-8-238
    Date of publication: 2013
    Journal article

    Read the abstract Read the abstract Access to the full text Access to the full text Open in new window  Share Reference managers Reference managers Open in new window

    In this paper, we report the intermatrix synthesis of Ag nanoparticles in different polymeric matrices such as polyurethane foams and polyacrylonitrile or polyamide fibers. To apply this technique, the polymer must bear functional groups able to bind and retain the nanoparticle ion precursors while ions should diffuse through the matrix. Taking into account the nature of some of the chosen matrices, it was essential to try to activate the support material to obtain an acceptable value of ion exchange capacity. To evaluate the catalytic activity of the developed nanocomposites, a model catalytic reaction was carried out in batch experiments: the reduction of pnitrophenol by sodium borohydride

  • Chicken feathers based biocomposites: a new sustainable product?

     Molins Duran, Gemma; Alvarez Del Castillo, M. Dolores; Garrido Soriano, Nuria; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando
    LCA Conference
    Presentation's date: 2013-11-05
    Presentation of work at congresses

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    Plastic composites are made of polymers and different reinforcements that originally were synthetic and non-biodegradable. Since 1990¿s, many biodegradable composites, formed by a biodegradable matrix and natural fibers, have been proposed. In spite of the advantages of biocomposites, it is important to ponder the technical drawbacks of these natural fibers, mainly from a vegetable origin, and their environmental impacts (EIs). Vegetable fibers imply a land use that can compete with food production. Chicken feathers (CFs), made of keratin fibers, are a potential alternative as they are a waste material, produced in large quantities (800,000 ton/year in EU-27), do not compete with human food production and have been scarcely used up to now. Taking on board these premises, a biocomposite made of PLA and CFs was fabricated at lab-scale as new material. However, before using CFs as reinforcement, sanitizing pretreatments have been envisaged before, due to their quick decay. The EIs of these treatments were experimentally quantified and a cradle-to-gate Life Cycle Assessment (LCA) was performed to evaluate altogether the impacts of manufacturing a technical panel with different content of CFs (up to 35% v/v). As main results, the avoided burdens of the CF waste treatment and the energy consumption for the drying step must be optimized to achieve lower EIs for the preparation of CFs/PLA composites

    Plastic composites are made of polymers and different reinforcements that originally were synthetic and non-biodegradable. Since 1990’s, many biodegradable composites, formed by a biodegradable matrix and natural fibers, have been proposed. In spite of the advantages of biocomposites, it is important to ponder the technical drawbacks of these natural fibers, mainly from a vegetable origin, and their environmental impacts (EIs). Vegetable fibers imply a land use that can compete with food production. Chicken feathers (CFs), made of keratin fibers, are a potential alternative as they are a waste material, produced in large quantities (800,000 ton/year in EU-27), do not compete with human food production and have been scarcely used up to now. Taking on board these premises, a biocomposite made of PLA and CFs was fabricated at lab-scale as new material. However, before using CFs as reinforcement, sanitizing pretreatments have been envisaged before, due to their quick decay. The EIs of these treatments were experimentally quantified and a cradle-to-gate Life Cycle Assessment (LCA) was performed to evaluate altogether the impacts of manufacturing a technical panel with different content of CFs (up to 35% v/v). As main results, the avoided burdens of the CF waste treatment and the energy consumption for the drying step must be optimized to achieve lower EIs for the preparation of CFs/PLA composites

  • Textile nanocomposites: The role of the glass transition temperature during the synthesis

     Domènech Garcia, Berta; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    International Symposium Frontiers in Polymer Science
    Presentation's date: 2013-05-23
    Presentation of work at congresses

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    Over the last years, the demand of textile products with enhanced functionalities, such as antibacterial, antistatic, stain resistant, or UV protective has grown considerably. These materials must satisfy not only the final costumer needs, yet the manufacturer economic aspects, but also the growing ecological concerns. In this sense, intensive development of Nanotechnology in the field of the nano-structures generation has contributed with a new interesting insight. With the application of the nanotechnology to textile fibers, new products with totally new or far improved functions with protective properties for humans and the environment can be easily obtained, without modifying the intrinsic textile properties. In this work we present the Inter-Matrix Synthesis (IMS) of silver nanoparticles (AgNPs) in different polymeric textile fibers such as polyacrylonitrile and polyamide fibers.

  • Development of reusable catalytically-active silver nanocomposites on a polyurethane foam basis

     Domènech Garcia, Berta; Ziegler, Kharla; Muñoz Tapia, Maria; Macanás de Benito, Jorge; Muraviev, Dmitri N.
    International Workshop on Polymer/Metal Nanocomposites
    p. 84
    Presentation's date: 2013-09-16
    Presentation of work at congresses

     Share Reference managers Reference managers Open in new window

  • Bifunctional polymer-metal nanocomposites: modification of commercial polymeric ion exchangers with metal nanoparticles

     Muraviev, Dmitri N.; Alonso González, Amanda; Bastos Arrieta, Julio; Muñoz Tapia, Maria; Macanás de Benito, Jorge
    International Workshop on Polymer/Metal Nanocomposites
    p. 40
    Presentation's date: 2013-09-16
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Synthesis of silver nanoparticles in Nafion membranes. Development of bifunctional nanocomposite membranes

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Vigués, Núria; Mas Gordi, Jordi; Macanás de Benito, Jorge
    International Conference on Catalysis in Membrane Reactors
    Presentation's date: 2013-07-11
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Access to the full text
    Ecologically friendly polymer-metal and polymer-metal oxide nanocomposites for complex water treatment  Open access

     Alonso González, Amanda; Bastos Arrieta, Julio; Davies, Gemma L.; Gun'ko, Yuri K.; Vigués, Núria; Muñoz Berbel, F. Xavier; Macanás de Benito, Jorge; Mas Gordi, Jordi; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    DOI: 10.5772/50412
    Date of publication: 2012
    Book chapter

    Access to the full text Access to the full text Open in new window  Share Reference managers Reference managers Open in new window

  • TNT2012 Poster Awards. Prizes to the best poster presented by Ph.D. Students

     Domènech Garcia, Berta; Ziegler, Kharla; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    Award or recognition

    View View Open in new window  Share

  • Best poster presentation Euromembrane 2012

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Award or recognition

    View View Open in new window  Share

  • Wiley student poster award IEX2012

     Bastos Arrieta, Julio; Alonso González, Amanda; Macanás de Benito, Jorge; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    Award or recognition

     Share

  • FeatherTech: development of an innovative technology for the valorisation of feather waste into a new resource material

     Carrillo Navarrete, Fernando; Tornero Garcia, Jose Antonio; Macanás de Benito, Jorge; Domenech Trujillo, Maria Carmen
    Date: 2012-10-16
    Report

     Share Reference managers Reference managers Open in new window

  • Access to the full text
    Bifunctional polymer-metal nanocomposite ion exchange materials  Open access

     Domènech Garcia, Berta; Bastos Arrieta, Julio; Alonso González, Amanda; Macanás de Benito, Jorge; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    DOI: 10.5772/51579
    Date of publication: 2012
    Book chapter

    Access to the full text Access to the full text Open in new window  Share Reference managers Reference managers Open in new window

  • Recyclable polymer-stabilized nanocatalysts with enhanced accessibility for reactants

     Alonso González, Amanda; Shafir, Alexandr; Macanás de Benito, Jorge; Vallribera Massó, Adelina; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    Catalysis today
    Vol. 193, num. 1, p. 200-206
    DOI: 10.1016/j.cattod.2012.02.003
    Date of publication: 2012-10-15
    Journal article

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Donnan exclusion driven intermatrix synthesis of reusable polymer stabilized palladium nanocatalysts

     Bastos Arrieta, Julio; Shafir, Alexandr; Alonso González, Amanda; Muñoz Tapia, Maria; Macanás de Benito, Jorge; Muraviev, Dmitri N.
    Catalysis today
    Vol. 193, num. 1, p. 207-212
    DOI: 10.1016/j.cattod.2012.01.002
    Date of publication: 2012-02-15
    Journal article

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Catalytic membranes with palladium nanoparticles: from tailored polymer to catalytic applications

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Catalysis today
    Vol. 193, num. 1, p. 158-164
    DOI: 10.1016/j.cattod.2012.02.049
    Date of publication: 2012-10-15
    Journal article

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Intermatrix synthesis of monometallic and magnetic metal/metal oxide nanoparticles with bactericidal activity on anionic exchange polymers

     Alonso González, Amanda; Muñoz Berbel, F. Xavier; Vigués, Núria; Rodríguez Rodríguez, Rosalía; Macanás de Benito, Jorge; Mas Gordi, Jordi; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    RSC Advances
    Vol. 2, num. 11, p. 4596-4599
    DOI: 10.1039/C2RA20216F
    Date of publication: 2012-03-28
    Journal article

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    In this communication, the synthesis of nanoparticles on anionic exchange polymers by the Intermatrix Synthesis method is reported. Monometallic (Ag) and core–shell metal/metal oxide (Ag@Fe3O4) nanocomposites were synthesized and characterized. Their magnetic and bactericidal activities were evaluated

  • Characterization of fibrous polymer silver/cobalt nanocomposite with enhanced bactericide activity

     Alonso González, Amanda; Muñoz Berbel, F. Xavier; Vigués, Núria; Macanás de Benito, Jorge; Muñoz Tapia, Maria; Mas i Gordi, Jordi; Muraviev, Dmitri N.
    Langmuir
    Vol. 28, num. 1, p. 783-790
    DOI: 10.1021/la203239d
    Date of publication: 2012
    Journal article

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    This manuscript describes the synthesis (based on the intermatrix synthesis (IMS) method), optimization, and application to bacterial disinfection of Ag@Co polymer metal nanocomposite materials with magnetic and bactericidal properties. This material showed ideal bactericide features for being applied to bacterial disinfection of water, particularly (1) an enhanced bactericidal activity (when compared with other nanocomposites only containing Ag or Co nanoparticles), with a cell viability close to 0% for bacterial suspensions with an initial concentration below 105 colony forming units per milliliter (CFU/mL) after a single pass through the material, (2) capacity of killing a wide range of bacterial types (from coliforms to Grampositive bacteria), and (3) a long performance-time, with an efficiency of 100% (0% viability) up to 1 h of operation and higher than 90% during the first 24 h of continuous operation. The nanocomposite also showed a good performance when applied to water samples from natural sources with more complex matrices with efficiencies always higher than 80%.

  • Nanocomposite membranes with Pd and Ag nanoparticles: a new material for catalytic membranes development

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Procedia engineering
    Vol. 44, p. 1264-1267
    DOI: 10.1016/j.proeng.2012.08.749
    Date of publication: 2012-11-07
    Journal article

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Development of new Polymer-Metal-Nanocomposites based on activated foams and textile fibers and their catalytic evaluation

     Domènech Garcia, Berta; Ziegler, Kharla; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    Trends in Nanotechnology
    Presentation's date: 2012-09-10
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Elaboració de material per a l'avaluació d'assignatures de química

     Cadenato Matia, Ana Maria; Morillo Cazorla, Margarita; Alvarez Del Castillo, M. Dolores; Gorchs Altarriba, Roser; Martínez Martínez, María R.; Armelin Diggroc, Elaine; Farran Marsa, Adriana; Cortes Izquierdo, M. Pilar; Grau Vilalta, Maria Dolors; Guaus Guerrero, Ester; Molins Duran, Gemma; Baquero Navarro, Maria Teresa; Almajano Pablos, Maria Pilar; Calvet Tarragona, Aurelio; Rodriguez Galan, Rafael Alfonso; Salán Ballesteros, Mª Núria; Folch Pérez, Joaquim; Macanás de Benito, Jorge; Pallares Andreu, Marc
    Jornada d'Innovació Docent UPC
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Chicken feathers based composites: a life cycle assessment

     Molins Duran, Gemma; Alvarez Del Castillo, M. Dolores; Garrido Soriano, Nuria; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando
    European Conference on Composite Materials
    p. 35-
    Presentation's date: 2012-06-25
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Use of chicken feathers waste for the fabrication of composite materials

     Carrillo Navarrete, Fernando; Macanás de Benito, Jorge; Colom Fajula, Xavier; Cañavate Avila, Francisco Javier; Molins Duran, Gemma; Alvarez Del Castillo, M. Dolores; Garrido Soriano, Nuria
    European Conference on Composite Materials
    p. 1-8
    Presentation's date: 2012-06-26
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Chicken feathers based composites: a life cycle assessment

     Molins Duran, Gemma; Alvarez Del Castillo, M. Dolores; Garrido Soriano, Nuria; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando
    European Conference on Composite Materials
    Presentation's date: 2012-06-25
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Bifunctional ion exchangers: surface modification of ion exchange materials with metal nanoparticles

     Muraviev, Dmitri N.; Alonso González, Amanda; Bastos Arrieta, Julio; Muñoz Tapia, Maria; Macanás de Benito, Jorge
    International Ion Exchange Conference
    p. 127-128
    Presentation's date: 2012-09-19
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Nanocomposite membranes with Pd and Ag nanoparticles: a new material for catalytic membranes development

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Euromembrane Conference
    Presentation's date: 2012-09-23
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • APROVECHAMIENTO RESIDUOS QUERATINICOS COMO FIBRAS REFUERZO BIODEGRADABLES OBTENCION MATERIALES COMPUESTOS RESPETUOSOS MEDIO AMBIENTE

     Colom Fajula, Xavier; Cañavate Avila, Francisco Javier; Alvarez Del Castillo, M. Dolores; Molins Duran, Gemma; Garrido Soriano, Nuria; Macanás de Benito, Jorge; Carrillo Navarrete, Fernando
    Competitive project

     Share

  • ReChichenTech: Developmet of a technological solutions to valorize and exploit waste resources from chicken meat processing plants

     Carrillo Navarrete, Fernando; Tornero Garcia, Jose Antonio; Domenech Trujillo, Maria Carmen; Macanás de Benito, Jorge
    Date: 2011-10-20
    Report

     Share Reference managers Reference managers Open in new window

  • La química i la societat

     Grau Vilalta, Maria Dolors; Font Soldevila, Jose; Sanz Balague, Joaquim; Guaus Guerrero, Ester; Calvet Tarragona, Aurelio; Salán Ballesteros, Mª Núria; Martínez Martínez, María R.; Farran Marsa, Adriana; Gorchs Altarriba, Roser; Alvarez Del Castillo, M. Dolores; Garrido Soriano, Nuria; Morillo Cazorla, Margarita; Almajano Pablos, Maria Pilar; Cardona Planes, Anna Maria; Macanás de Benito, Jorge; Bonsfills Pedros, Ana; Gamisans Noguera, Javier; Dorado Castaño, Antonio David; Lao Luque, Concepcion; Torrent Burgues, Juan; Molins Duran, Gemma; Colom Fajula, Xavier; Carrillo Navarrete, Fernando; Ramon Portés, Eva; Garriga Sole, Pere; Sole Sardans, M. Montserrat; Ardanuy Raso, Monica; Pares Sabates, Ferran; Roncero Vivero, Maria Blanca; Cusola Aumedes, Oriol
    Collaboration in exhibitions

     Share

  • Properties of chicken feathers based polylactic acid biocomposites

     Carrillo Navarrete, Fernando; Garrido Soriano, Nuria; Aymerich Amorós, Jordi; Colom Fajula, Xavier; Cañavate Avila, Francisco Javier; Macanás de Benito, Jorge; Alvarez Del Castillo, M. Dolores; Molins Duran, Gemma
    European and Exhibition Congress on Advanced Materials and Processes
    Presentation's date: 2011-09-13
    Presentation of work at congresses

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Catalytic membranes with palladium nanoparticles: from tailor made polymer to practical applications

     Domènech Garcia, Berta; Macanás de Benito, Jorge; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    International Conference on Catalysis in Membrane Reactors
    p. 128-129
    Presentation's date: 2011-06-20
    Presentation of work at congresses

     Share Reference managers Reference managers Open in new window

  • Donnan exclusion-driven intermatrix synthesis of reusable polymer-stabilized palladium nanocatalysts

     Bastos Arrieta, Julio; Muñoz Tapia, Maria; Macanás de Benito, Jorge; Muraviev, Dmitri N.
    International Conference on Catalysis in Membrane Reactors
    p. 126-127
    Presentation's date: 2011-06-20
    Presentation of work at congresses

     Share Reference managers Reference managers Open in new window

  • Reciclable polymer-stabilized nanocatalysts with enhanced accessibility for reactants

     Muraviev, Dmitri N.; Alonso González, Amanda; Vallribera Massó, Adelina; Shafir, Alexandr; Muñoz Tapia, Maria; Macanás de Benito, Jorge
    International Conference on Catalysis in Membrane Reactors
    p. 261-262
    Presentation's date: 2011-06-20
    Presentation of work at congresses

     Share Reference managers Reference managers Open in new window

  • Ion exchange-assisted synthesis of polymer stabilized metal nanoparticles

     Macanás de Benito, Jorge; Ruiz Nicolás, Patricia; Alonso González, Amanda; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    DOI: 10.1201/b10813-2
    Date of publication: 2011
    Book chapter

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Environmentally-safe catalytically active and biocide polymer-metal nanocomposites with enhanced structural parameters

     Alonso González, Amanda; Macanás de Benito, Jorge; Davies, Gemma L.; Gun'ko, Yuri K.; Muñoz Tapia, Maria; Muraviev, Dmitri N.
    Date of publication: 2011
    Book chapter

    View View Open in new window  Share Reference managers Reference managers Open in new window

  • Intermatrix synthesis of polymer-stabilized PGM@Cu core¿shell nanoparticles with enhanced electrocatalytic properties

     Ruiz Nicolás, Patricia; Muñoz Tapia, Maria; Macanás de Benito, Jorge; Muraviev, Dmitri N.
    Reactive and functional polymers
    Vol. 71, num. 8, p. 916-924
    DOI: 10.1016/j.reactfunctpolym.2011.05.009
    Date of publication: 2011-05-27
    Journal article

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    This paper is dedicated to the further development of the Intermatrix synthesis (IMS) technique, which permits to produce a wide variety of polymer–metal nanocomposites (PMNCs) containing monometallic or bimetallic catalytically active polymer-stabilized nanoparticles (PSNPs) with the most favourable distribution of nanocatalysts inside the polymer, which is achieved by the purposeful application of the Donnan exclusion effect in the course of IMS. PMNCs containing low cost Cu-PSNPs can be used as an active element in construction of amperometric sensors for H2O2 detection. But, due to the high trend of copper nanoparticles (Cu-NPs) for oxidation under measurement conditions (in buffer solution) the sensors rapidly loose their sensitivity. The coating of Cu-NPs with platinum group metal-shell (PGMshell) of the minimal thickness results in the protection of Cu core against oxidation while maintaining the sensitivity of core–shell NP-modified sensors at sufficiently high level. The sensitivity of the sensors in the last case enhances when applying the step-wise formation of PGM-shell of higher purity by excluding the shell contamination with core-metal.

  • Hydrogen generation by aluminum corrosion in aqueous alkaline solutions of inorganic promoters: the Alhidrox process

     Macanás de Benito, Jorge; Soler Turu, Lluis; Candela Soto, Angélica Maria; Muñoz Tapia, Maria; Casado Giménez, Juan
    Energy
    Vol. 36, num. 5, p. 2493-2501
    DOI: 10.1016/j.energy.2011.01.041
    Date of publication: 2011-05
    Journal article

    Read the abstract Read the abstract View View Open in new window  Share Reference managers Reference managers Open in new window

    The research of alternative processes to obtain clean fuels has become a main issue because of the concerns related to the current energy system, both from economical and environmental points of view. Hydrogen storage and production methods are being investigated for stationary and portable applications. Up to now, a significant part of H2 production on demand was thought to be fulfilled by using chemical hydrides, but recent studies have proved the limitations of this approach. Conversely, H2 production based in the corrosion of light metals in water solutions is an interesting alternative. Among all of them, Al is probably the most adequate metal for energetic purposes due to its high electron density and oxidation potential. But concerning H2 production from Al corrosion in water, a major issue remains unsolved: metal passivation due to the formation of Al(OH)3 inhibits H2 evolution. In this work we show the last results obtained for the generation of H2 from water using Al powder using diverse alkaline solutions. It is confirmed that corrosion is not affected solely by the solution pH but also by the nature of the ionic species found in the aqueous medium. Moreover, we describe the AlHidrox process, which minimizes Al passivation under mild conditions by the addition of different inorganic salts as corrosion promoters, allowing 100% yields and flow rates up to 2.9 L/min per gram of Al. The feasibility of the process has been regarded in terms of stability (by conducting several successive runs) and selfinitiation without an external heating.

  • Access to the full text
    Polymer-stabilized palladium nanoparticles for catalytic membranes: ad hoc polymer fabrication  Open access

     Domènech Garcia, Berta; Muñoz Tapia, Maria; Muraviev, Dmitri N.; Macanás de Benito, Jorge
    Nanoscale research letters
    Vol. 6, num. 406, p. 1-5
    DOI: 10.1186/1556-276X-6-406
    Date of publication: 2011-06-01
    Journal article

    Read the abstract Read the abstract Access to the full text Access to the full text Open in new window  Share Reference managers Reference managers Open in new window

    Metal nanoparticles are known as highly effective catalysts although their immobilization on solid supports is frequently required to prevent aggregation and to facilitate the catalyst application, recovery, and reuse. This paper reports the intermatrix synthesis of Pd0 nanoparticles in sulfonated polyethersulfone with Cardo group membranes and their use as nanocomposite catalytic membrane reactors. The synthesized polymer and the corresponding nanocomposite were characterized by spectroscopic and microscopic techniques. The catalytic efficiency of catalytic membranes was evaluated by following the reduction of p-nitrophenol in the presence of NaBH4.