Ara es mostren els items 1-20 de 157

  • 3D Tracking of self-propelled micro/nanoparticles 

    Salvat Lozano, Natàlia (Universitat Politècnica de Catalunya, 2015-06)
    Treball Final de Grau
    Accés restringit per acord de confidencialitat
  • 4-Mercaptophenyldiphenylphosphine as linker to immobilize Pd onto the surface of magnetite nanoparticles. Excellent catalytic efficiency of the system after partial linker removal 

    Guarnizo, A; Angurell Purroy, Inmaculada; Rosell, Monica; Llorca Piqué, Jordi; Müller Jevenois, Guillermo; Seco, M; Rossell Alfonso, Josep Oriol (2015-10-27)
    Article
    Accés obert
    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. ...
  • Ag nanoparticles drop-casting modification of screen-printed electrodes for the simultaneous voltammetric determination of Cu(II) and Pb(II) 

    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)
    Article
    Accés obert
    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 ...
  • Anomalous group velocity at the high energy range of real 3D photonic nanostructures 

    Botey Cumella, Muriel; Martorell Pena, Jordi (SPIE-The International Society for Optical Engineering, 2010-04-12)
    Text en actes de congrés
    Accés obert
    We perform a theoretical study on the group velocity for finite thin artificial opal slabs made of a reduced number of layers in the spectral range where the light wavelength is on the order of the lattice parameter. The ...
  • Application of layered nanoparticles in the micromechanical reinforcement and flame retardancy of polymer foams 

    Redondo Realinho, Vera Cristina de; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (Studium Press LLC, 2013)
    Capítol de llibre
    Accés restringit per política de l'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 ...
  • Bio-sonochemical conversion of fish backbones into bioactive nanospheres 

    Macedo Fernandes, Margarida Maria; Rivera Rodríguez, Diana Marcela; Tzanov, Tzanko; Rommi, Katariina; Lantto, Raija; Mozuraityte, Revilija; Šližyte, Rasa (2015-08-12)
    Article
    Accés obert
    Realitzat a/amb:  SINTEF Fisheries and Aquaculture / VTT Technical Research Centre of Finland
    Salmon backbones, co-streams of salmon processing industry, were transformed into stable, odour-free ingredients for cosmetics. First, the backbones were hydrolysed using commercial proteases (Bromelain + Papain, Trypsin, ...
  • Bridging Physical and MAC Layers in Electromagnetic Nanonetworks 

    Capdevila Pujol, Joan (Universitat Politècnica de Catalunya, 2010-12-20)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  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 ...
  • Capacity and delay of bacteria-based communication in nanonetworks 

    Mestres Sugrañes, Albert (Universitat Politècnica de Catalunya, 2012-02-10)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  Georgia Institute of Technology
    English: the objective is to perform a theoretical analysis of the capacity and the delay on flagellated bacteria communication.
  • Caracterización de láminas de materiales compuestos de polietilentereftalato con partículas cerámicas 

    López Santana, Daniel (Universitat Politècnica de Catalunya, 2014-09)
    Projecte Final de Màster Oficial
    Accés obert
    En este trabajo se estudia el efecto de la inclusión de micropartículas y nanopartículas de distintos tipos de cerámicas (dióxido de titanio con formas critalinas de rutilo y anatasa, y carburo de silicio)en láminas de ...
  • Caracterización de material particulado y nanopartículas en procesos de combustión, asaderos de alimentos y manipulación de nanomateriales 

    Gómez Yepes, Milena Elizabeth; Villamizar Vargas, Rafael Humberto; Mosquera Alvarez, Faber; Cremades Oliver, Lázaro Vicente (2016)
    Comunicació de congrés
    Accés obert
    Actualmente para analizar las partículas se utilizan análisis microscópicos de alta definición para partículas < de 1 µm, como las técnicas EDAX, AFM o FTIR que permiten observar con detalle características tales como la ...
  • Caracterización electroquímica fisicoquímica de un nanomaterial híbrido Nafion/Ag-NPs 

    Vázquez González, María Isabel; Romero Fernández, Virginia; Benavente Herrera, Juana; Domènech Garcia, Berta; Muñoz Tapia, Maria; Macanás de Benito, Jorge (2014)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    La particular estructura química de la matriz perfluorosulfónica del Nafion, con dominios hidrofílicos e hidrofóbicos segregados formando canales nanoscópicos, ha dado pie a su uso como modelo de estructura para la fabricación ...
  • Carbon-Coated TiO2 Nanoperticles as advanced anode material for Lithium-Ion Batteries 

    Martínez Garcia, Alba Maria (Universitat Politècnica de Catalunya, 2017-10-24)
    Treball Final de Grau
    60 months embargo
    Realitzat a/amb:  University of California, San Diego
    Lithium-Ion Batteries (LIBs) are no stranger to the everyday-portable-electronics users. Their high energy density and cycle life place these devices to the must-have list of an extensive selection of applications. To date, ...
  • Cation-exchange membrane as nanoreactor: intermatrix synthesis of platinum-copper core-shell nanoparticles 

    Muraviev, Dmitri N.; Macanás de Benito, Jorge; Parrondo, Javier; Muñoz Tapia, Maria; Alonso González, Amanda; Alegret Sanroma, Salvador; Ortueta, Mónica; Mijangos Antón, Federico (2007-12)
    Article
    Accés restringit per política de l'editorial
    The physical and chemical properties of metal nanoparticles (MNPs) are distinct from those of both bulk metal and isolated atoms. The main drawback of MNP is their instability and high trend for aggregation. Without ...
  • 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
  • Co-Al spinel-based nanoparticles synthesized by flame spray pyrolysis for glycerol conversion 

    Lähde, A.; Chimentao, Ricardo J.; Karhunen, T.; Alvarez, Mayra G.; Llorca Piqué, Jordi; Medina Mena, Francisco; Jokiniemi, J.; Modesto Lopez, Luis B. (2017-12)
    Article
    Accés obert
    The catalytic properties of Co-Al spinel nanoparticles prepared by liquid-feed flame spray pyrolysis (L-F FSP) were investigated in the glycerol conversion in gas phase in an atmosphere of hydrogen. Reduction at 1123¿K of ...
  • Colloidal Ni-Co-Sn nanoparticles as efficient electrocatalysts for the methanol oxidation reaction 

    Li, Junshan; Luo, Zhishan; He, Feng; Zuo, Yong; Zang, Chaoqui; Liu, Junfeng; Yu, Xiaoting; Du, Ruifeng; Zhang, Ting; Infante Carrió, Maria F.; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (Royal Society of Chemistry (RSC), 2018-01-01)
    Article
    Accés restringit per política de l'editorial
    The deployment of direct methanol fuel cells requires engineering cost-effective and durable electrocatalysts for the methanol oxidation reaction (MOR). As an alternative to noble metals, Ni-based alloys have shown excellent ...
  • Cooperative signal amplification for molecular communication in nanonetworks. 

    Abadal Cavallé, Sergi (Universitat Politècnica de Catalunya, 2011-09-19)
    Projecte Final de Màster Oficial
    Accés obert
    English: Nanotechnology is enabling the development of devices in a scale ranging from a few to hundreds of nanometers. Communication between these devices greatly expands the possible applications, increasing the complexity ...
  • CO oxidation and COPrOx over preformed Au nanoparticles supported over nanoshaped CeO2 

    Soler Turu, Lluís; Casanovas Grau, Albert; Urrich, Aitor; Angurell Purroy, Inmaculada; Llorca Piqué, Jordi (2016-02-10)
    Article
    Accés obert
    Au/CeO2 (0.25% wt. Au) catalysts were prepared by anchoring preformed Au nanoparticles over ceria polycrystals, cubes and rods and tested in the oxidation of CO and COPrOx. The use of preformed Au nanoparticles assured a ...
  • Corrosion protection of carbon steel by silica-based hybrid coatings containing cerium salts: Effect of silica nanoparticle content 

    Santana, Ianina; Pepe, Andrés; Jiménez Piqué, Emilio; Pellice, Sergio; Milosev, Ingrid; Ceré, Silvia M. (2015-03-15)
    Article
    Accés obert
    One strategy for minimising corrosive attack on carbon steel involves the application of hybrid coatings rich in rare earths, on the basis of their low toxicity and environmental sustainability. Tetraethoxysilane (TEOS) ...
  • Cytotoxicity and antibacterial activity of selected ananoparticles 

    Ribera Puig, Joan (Universitat Politècnica de Catalunya, 2017-07-04)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    Nowadays, nanotechnologies are ones of the newest technologies, which a wide range of applications such as in medicine, biotechnology, electronics, energy or sensing. However, the efficiency of nanomaterials or at least ...