Browsing by Subject "Nanopartícules"

Now showing items 21-40 of 305

    • Bridging Physical and MAC Layers in Electromagnetic Nanonetworks 

      Capdevila Pujol, Joan (Universitat Politècnica de Catalunya, 2010-12-20)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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 ...

    • Building metamaterials 

      Perera Castilla, Saúl (Universitat Politècnica de Catalunya, 2019-10)
      Master thesis
      Restricted access - confidentiality agreement
      This thesis shows the work done to design, fabricate and characterise the formation of nanostructures built with polystyrene nanospheres (295 nm, 522 nm and 836 nm diameter size) in an attempt to develop all dielectric ...

    • Capacity and delay of bacteria-based communication in nanonetworks 

      Mestres Sugrañes, Albert (Universitat Politècnica de Catalunya, 2012-02-10)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Georgia Institute of Technology
      English: the objective is to perform a theoretical analysis of the capacity and the delay on flagellated bacteria communication.

    • Caracterització i optimització d’un tractament antibacterià de la superfície de tubs endotraqueals 

      Ventura Olivella, Sara (Universitat Politècnica de Catalunya, 2023-01-27)
      Bachelor thesis
      Open Access
      Les infeccions nosocomials ocasionen una elevada mortalitat, prolonguen l’estància hospitalària i augmenten els costos assistencials. Una de les patologies nosocomials respiratòries més severes és la Pneumònia Associada ...

    • Caracterización de láminas de materiales compuestos de polietilentereftalato con partículas cerámicas 

      López Santana, Daniel (Universitat Politècnica de Catalunya, 2014-09)
      Master thesis
      Open Access
      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)
      Conference lecture
      Open Access
      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)
      Conference lecture
      Restricted access - publisher's policy
      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 nanotubes as nanocarriers for antimalarial drugs 

      Rubio Huertas, Marta (Universitat Politècnica de Catalunya, 2020-07)
      Bachelor thesis
      Open Access
      Covenantee:   Institut de Bioenginyeria de Catalunya
      Advances in nanotechnology have opened up exciting prospects in the field of pharmacology. Most antimalarial drugs contain aromatic rings that make them highly insoluble in the blood circulation in their free form. This ...

    • Carbon-Coated TiO2 Nanoperticles as advanced anode material for Lithium-Ion Batteries 

      Martínez Garcia, Alba Maria (Universitat Politècnica de Catalunya, 2017-10-24)
      Bachelor thesis
      Open Access
      Covenantee:   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 Disorder and Local Structural Distortions in AgxBi1–xS2 Nanoparticles 

      Kesavan, Jagadesh Kopula; d’Acapito, Francesco; Scardi, Paolo; Stavrinadis, Alexandros; Akgul, Mehmet Zafer; Burgués-Ceballos, Ignasi; Konstantatos, Gerasimos; Boscherini, Federico (MDPI, 2020-02-12)
      Article
      Open Access
      By combining X-ray absorption fine structure and X-ray diffraction measurements with density functional and molecular dynamics simulations, we study the structure of a set of AgxBi1−xS2 nanoparticles, a materials system ...

    • 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
      Restricted access - publisher's policy
      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 ...

    • Cell responses to electrical pulse stimulation for anticancer drug release 

      Puiggalí Jou, Anna; Valle Mendoza, Luis Javier del; Alemán Llansó, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2019-08-01)
      Article
      Open Access
      Electrical stimulation is an attractive approach to tune on-demand drug release in the body as it relies on simple setups and requires typically 1 V or less. Although many studies have been focused on the development of ...

    • Cellulose nanocrystals: surface modification, applications and opportunities at interfaces 

      Natterodt, Jens; Petri-Fink, Alke; Weder, Christoph; Zoppe, Justin Orazio (2017-06-28)
      Article
      Open Access
      Cellulose nanocrystals (CNCs) are rod-like nano-scale particles that are widely available in nature and have recently gained great interest in both research and industry, due to their high strength, high crystallinity, ...

    • Characterization of the individual response of multimodal upconversion and nonlinear nanoparticles 

      Liashenko, Oleksandr (Universitat Politècnica de Catalunya, 2020-11-26)
      Master thesis
      Restricted access - author's decision

    • 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
      Restricted access - publisher's policy

    • 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
      Open Access
      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 ...

    • 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
      Open Access
      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 ...

    • Cobalt-phenolic nanoparticles-driven self-assembly of hyaluronic acid hydrogels providing a multifactorial approach for chronic wound management 

      Ferreres Cabanes, Guillem; Pérez Rafael, Silvia; Palacios Bonilla, Òscar; Todorova, Katerina; Hinojosa-Caballero, Dolores; Torrent Burgués, Juan; Tzanov, Tzanko (2024-06-13)
      Article
      Open Access
      Chronic wounds are persistent non-healing lesions whose complex management is due to the interplay of multiple factors promoting chronicity, such as oxidative stress, overexpressed enzyme activities impeding the tissue ...

    • Coherent control of nonlinear optical processes in individual nanoparticles 

      Accanto, Nicolò (Universitat Politècnica de Catalunya, 2016-06-16)
      Doctoral thesis
      Open Access
      Nanophotonics aims to understand and control the interaction of light-matter at the nanometer scale. Boosted by the development of nanotechnology and nanofabrication, nanophotonics is a thriving research field, with ...

    • 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
      Open Access
      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 ...