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Listar por tema "Nanoparticles"

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Mostrando ítems 1-20 de 295

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    • Imagen en miniatura

      3D Printed TiO2 / Pt photocatalyst for VOC eliminationOpen Access 

      Olivares Royo, Nuria (Universitat Politècnica de Catalunya, 2020-06)
      Trabajo final de grado
      Acceso abierto
      Finding a way to clean the environment from the current pollution levels has become one of the most important matters throughout the past years. As it has been shown during the confinement due to Coronavirus, the moment ...
    • Imagen en miniatura

      3D Tracking of self-propelled micro/nanoparticlesRestricted access - confidentiality agreement 

      Salvat Lozano, Natàlia (Universitat Politècnica de Catalunya, 2015-06)
      Trabajo final de grado
      Acceso restringido por acuerdo de confidencialidad
    • Imagen en miniatura

      4-Mercaptophenyldiphenylphosphine as linker to immobilize Pd onto the surface of magnetite nanoparticles. Excellent catalytic efficiency of the system after partial linker removalOpen Access 

      Guarnizo, A; Angurell Purroy, Inmaculada; Rosell, Monica; Llorca Piqué, Jordi; Müller Jevenois, Guillermo; Seco, M; Rossell Alfonso, Josep Oriol (2015-10-27)
      Artículo
      Acceso abierto
      This journal is © The Royal Society of Chemistry. The molecule 4-mercaptophenyldiphenylphosphine (Sdp) has been synthesized for use as a linker to immobilize Pd nanoparticles onto the surface of magnetite nanoparticles. ...
    • Imagen en miniatura

      A general approach to fabricate fe3O4 nanoparticles decorated with Pd, Au, and Rh: Magnetically recoverable and reusable catalysts for Suzuki C-C cross-coupling reactions, hydrogenation, and sequential reactionsRestricted access - publisher's policy 

      Gonzàlez de Rivera, Ferran; Angurell Purroy, Inmaculada; Rossell Abrodos, Marta-Dacil; Erni, Rolf P.; Llorca Piqué, Jordi; Jiménez Divins, Nuria; Müller Jevenois, Guillermo; Seco García, Miquel Angel; Rossell Alfonso, Josep Oriol (2013-09-02)
      Artículo
      Acceso restringido por política de la editorial
      A facile strategy has been explored for loading noble metals onto the surface of ferrite nanoparticles with the assistance of phosphine-functionalized linkers. Palladium loading is shown to occur with participation of both ...
    • Imagen en miniatura

      A low temperature solid state reaction to produce hollow MnxFe3-xO4 nanoparticles as anode for lithium-ion batteriesOpen Access 

      Yu, Xiaoting; Zhang, C.; Luo, Zhishan; Liu, Junshan; Zuo, Yong; Jacas Biendicho, Jordi; Llorca Piqué, Jordi; Arbiol, Jordi; Morante Lleonart, Joan Ramon; Cabot, Andreu (2019-12-01)
      Artículo
      Acceso abierto
      Hollow MnxFe3-xO4 nanoparticles (NPs) with an average size of 15¿nm are produced from the solid state reaction of Fe3O4–Mn3O4 heterostructures. These heterostructures are synthesized through the seeded-growth of Mn3O4 ...
    • Imagen en miniatura

      A three-dimensional nanoscale study in selected coal mine drainageOpen Access 

      Silva, Luis F. O.; Crissien, Tito J.; Milanés Batista, Celene; Hoffmann Sampaio, Carlos (2020-06-01)
      Artículo
      Acceso abierto
      Sediments from coal mine drainages (CMDs) contain large quantities of suspended pollutants (possibly numerous chemical substances) along with sulfates and hazardous elements (e.g., chromium, zinc, copper, lead) that ...
    • Imagen en miniatura

      Ab initio description of oxygen vacancies in epitaxially strained SrTiO 3 at finite temperaturesOpen Access 

      Zhou, Zizhen; Chu, Dewei; Cazorla Silva, Claudio (Nature, 2021-06-01)
      Artículo
      Acceso abierto
      Epitaxially grown SrTiO3 (STO) thin films are material enablers for a number of critical energy-conversion and information-storage technologies like electrochemical electrode coatings, solid oxide fuel cells and random ...
    • Imagen en miniatura

      Ag nanoparticles drop-casting modification of screen-printed electrodes for the simultaneous voltammetric determination of Cu(II) and Pb(II)Open Access 

      Pérez Ràfols, Clara; Bastos Arrieta, Julio Alonso; Serrano, Núria; Díaz Cruz, José Manuel; Ariño, Cristina; Pablo Ribas, Joan de; Esteban, Miquel (MDPI AG, 2017-06-21)
      Artículo
      Acceso abierto
      A new silver nanoparticle modified screen-printed electrode was developed and applied to the simultaneous determination of Pb(II) and Cu(II). Two different types of silver nanoparticles with different shapes and sizes, Ag ...
    • Imagen en miniatura

      All-Nanoparticle SnO 2 /TiO 2 Electron-Transporting Layers Processed at Low Temperature for Efficient Thin-Film Perovskite Solar CellsOpen Access 

      Martínez-Denegrí Sánchez, Guillermo; Colodrero Perez, Silvia; Kramarenko, Mariia; Martorell Pena, Jordi (2018-10-22)
      Artículo
      Acceso abierto
      Solution-processed metal halide perovskite materials haverevealed outstanding optoelectronic features that make them uniquely suitedfor photovoltaic applications. Although a rapidprogresshasledtoperformances similar to ...
    • Imagen en miniatura

      An overview of the methods to characterise human bone tissue with particular reference to osteoporosisOpen Access 

      Rech Alfaro, Roger (Universitat Politècnica de Catalunya, 2018-10-31)
      Trabajo final de grado
      Acceso abierto
      The goal of this work is to make an overview of the current methods that allow bone quality assessment, its advantages and drawbacks, as well as its application in the treatment of diseases such as osteoporosis.
    • Imagen en miniatura

      Antibacterial hybrid nanoparticles coating for inhibition of bacterial growth and biofilm formationOpen Access 

      Vitucci, Sofia (Universitat Politècnica de Catalunya, 2020-10-28)
      Projecte Final de Màster Oficial
      Acceso abierto
      Contact lenses (CLs) are medical devices widely used for vision correction, cosmetic or therapeutic reasons. CLs are ideal surface for bacteria to adhere and establish antibiotic resistant biofilms, being the Pseudomonas ...
    • Imagen en miniatura

      Antibacterial polyurethane foams with incorporated lignin-capped silver nanoparticles for chronic wound treatmentOpen Access 

      Morena Gatius, Ángela Gala; Ivanova, Kristina Dimitrova; Pérez Rafael, Silvia; Sánchez Soto, Miguel; Tzanov, Tzanko; Stefanov, Ivaylo (2020-02-26)
      Artículo
      Acceso abierto
      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 ...
    • Imagen en miniatura

      Application of layered nanoparticles in the micromechanical reinforcement and flame retardancy of polymer foamsRestricted access - publisher's policy 

      Redondo Realinho, Vera Cristina de; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (Studium Press LLC, 2013)
      Capítulo de libro
      Acceso restringido por política de la editorial
      A great deal of attention has been given in the last years to the study of the influence of incorporating nanosized particles and particularly nanoparticles with a flat-like morphology such as nanoclays or layered double ...
    • Imagen en miniatura

      Aquatic ecosystem risk assessment generated by accidental silver nanoparticle spills in groundwaterOpen Access 

      Ramirez Garrido, Rosember; Martí Gregorio, Vicenç; Darbra Roman, Rosa Maria (2023-08-03)
      Artículo
      Acceso abierto
      This paper aims to create a new model for assessing the ecosystem risk in rivers and wetlands that are linked to accidental spills of silver nanoparticles (AgNPs) in soil/groundwater. Due to the uncertainty of the modeling ...
    • Imagen en miniatura

      Assessing the environmental risk of silver nanoparticles in aquatic ecosystemsOpen Access 

      Ramirez Garrido, Rosember; Martí Gregorio, Vicenç; Darbra Roman, Rosa Maria (2022)
      Texto en actas de congreso
      Acceso abierto
      As well known, silver nanoparticles (AgNPs) are being increasingly used in many different sectors due to their particular biocidal characteristics. The existence of these substances in many day life products leads to the ...
    • Imagen en miniatura

      Atmospheric nanocompounds on Lanzarote Island: vehicular exhaust and igneous geologic formation interactionsOpen Access 

      Silva, Luis F. O.; Hoffmann Sampaio, Carlos; Pinto Osorio, Diana del Carmen; Neckel, Alcindo; Oliveira, Marcos L.S. (2020-09-01)
      Artículo
      Acceso abierto
      Atmosphere contamination management is one of the most important features in pollution risk management. The worldwide rise in tourism increases apprehension about its probable destructive conservation influence on various ...
    • Imagen en miniatura

      Bactericidal properties of copper-Tin nanoparticles on Escherichia coli in a liquid environmentOpen Access 

      Rezayat, Mohammad; Yazdi, Morteza Saghafi; Talafi Noghani, Mohammad; Ahmadi, Reza (MDPI AG, 2020-09-01)
      Artículo
      Acceso abierto
      In this research, copper-tin alloy nanoparticles were made by a mechanical alloying method and were examined by two well-known and common bactericidal tests, optical density, and colony-forming units count in terms of ...
    • Imagen en miniatura

      Biomaterials based release systems for antimicrobial applicationsRestricted access - author's decision 

      Remón Baranda, Paula (Universitat Politècnica de Catalunya, 2020-07-09)
      Trabajo final de grado
      Acceso restringido por decisión del autor
      L'objectiu d'aquest projecte és desenvolupar pegats de nanofibras i nanopartícules carregades de zinc per a afavorir la regeneració de la pell. El zinc és un ió antibacterià que pot ser utilitzat per a reduir la infecció ...
    • Imagen en miniatura

      Bridging Physical and MAC Layers in Electromagnetic NanonetworksOpen Access 

      Capdevila Pujol, Joan (Universitat Politècnica de Catalunya, 2010-12-20)
      Proyecto/Trabajo final de carrera
      Acceso abierto
      Realizado en/con:   Georgia Institute of Technology
      Català: En aquest projecte estudiem la comunicació entre diversos nano-dispositius que configuren una Nanoxarxa Electromagnètica sense cables. Tenint en compte les peculiaritats de la capa física, proposem un mètode d'accés ...
    • Imagen en miniatura

      BSA- and elastin-coated GO, but not collagen-coated GO, enhance the biological performance of alginate hydrogelsOpen Access 

      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)
      Artículo
      Acceso abierto
      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 ...

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