Now showing items 41-60 of 100

    Conducting polymers for micro and nano electrodes. Application to biomolecule sensing and release 

    Galán Cascales, Teresa (Date of defense: 2015-05-14)

    This thesis aims at providing a better understanding of the micro- and nanofabrication of conducting polymers for biomedical devices and presents novel processes that widen the application range of conducting polymers in ...

    Integración de la tecnología cerámica multicapa 

    Ramos Pérez, Francisco Manuel (Date of defense: 2015-01-12)

    En esta tesis doctoral se estudia la problemática existente en la aplicación de los nanomateriales y la nanotecnología para la preparación de dispositivos basados en tecnología cerámica multicapa. Un punto clave de la ...

    COTS Analog Prototype for LHCb's Calorimeter Upgrade 

    Abellan Beteta, Carlos (Date of defense: 2015-01-30)

    The objective of this thesis is to present a proposal for the analogue signal processing chain needed for the LHCb calorimeter upgrade improving the design used originally. The design contains several novelties: the ...

    Study of natural nanovesicles carrying olfactory receptors for the development of biosensing platforms 

    Sanmartí Espinal, Marta (Date of defense: 2015-01-15)

    Natural vesicles produced from genetically engineered cells with tailored membrane receptor composition are promising building blocks for sensing biodevices. This is particularly true for the case of G-protein coupled ...

    A Novel Sensor Concept for Selective and Self-Powered Gas Detection 

    Hoffmann, Martin W. G. (Date of defense: 2015-01-19)

    Les tecnologies de sensors de gas basades en semiconductors presenten limitacions importants de selectivitat i consum d'energia. Per tant, esdevé necessari l’assaig de nous conceptes de dispositius capaços de satisfer ...

    Elements de captació i emmagatzematge d'energies residuals del medi 

    Servera i Serapio, Llorenç (Date of defense: 2014-12-18)

    Bona part dels processos naturals i de les activitats humanes impliquen processos de transferència d’energia, que en part, o en la seva totalitat es dissipen en el medi. L’aprofitament de l’energia residual present en ...

    Rare earth- and Si nanostructure-based light emitting devices for integrated photonics 

    Berencén Ramírez, Yonder Antonio (Date of defense: 2014-10-23)

    This thesis presents experimental work on developing rare-earth ions and Si nanostructures as a material platform for light emitting devices (LEDs) in the visible and near-infrared range. The realization of the different ...

    Novel sensors technologies applied to force spectroscopy in molecular biology 

    Gonzalez Claramonte, Laura (Date of defense: 2014-12-09)

    Force plays an essential role in all fields of biology. Measurement of these forces with high precision provides information about the structure, dynamics, intra and intermolecular interactions, and the mechanical properties ...

    Microfluidic devices with integrated biosensors for biomedical applications 

    Parra Cabrera, César Alejandro (Date of defense: 2014-12-04)

    In recent years, the LOC community has focused most of its research in the biomedical and biotechnology fields, due to the need of portable, low power consumption and low cost theranostics microdevices. Some developing ...

    Electric polarization properties of single bacteria measured with electrostatic force microscopy. Theoretical and practical studies of Dielectric constant of single bacteria and smaller elements 

    Esteban i Ferrer, Daniel (Date of defense: 2014-11-25)

    The present thesis is included in the field of nanobioelectricity. That is, understanding the electrical properties of biological specimens at the nanoscale (< 200 nm). To do so we used an electrical variation of the ...

    Development of a multi-electrode impedimetric biosensor: detection of pathogenic bacteria and mycotoxins 

    Barreiros dos Santos, Marília (Date of defense: 2014-09-23)

    This thesis aims the development of a multi-electrode platform with applications on different biosensing fields: (i) detection of pathogenic bacteria E.coli O157:H7 and (ii) detection of the mycotoxin Ochratoxin A. For ...

    Ordered mesoporous metal oxides for solid oxide fuel cells and gas sensors 

    Almar Liante, Laura (Date of defense: 2014-07-30)

    Nanomaterials have received increasing attention during the last decades in the solid state field since they play a major role as catalyst and catalyst supports for many applications including fuel cells or gas sensors. ...

    Estudio de los procesos celulares inducidos por campos eléctricos en sistemas Lab-on-a-Chip 

    Oliva Brañas, Ana María (Date of defense: 2014-06-16)

    En esta tesis doctoral se ha estudiado de forma sistemática la relación entre los campos eléctricos y las células, y los efectos que éstos tienen a diferentes niveles (supervivencia, metabolismo, expresión proteica, ...

    Energy Harvesting-Aware Resource Management for Wireless Body Area Networks 

    Ibarra Ramirez, Ernesto Antonio (Date of defense: 2014-05-21)

    The rationale for a telemedicine system is the use of Information and Communications Technology (ICT) for the remote transmission of biomedical data and the remote control of biomedical equipment, in order to improve the ...

    Atomistic study of structural and electronic transport properties of silicon quantum dots for optoelectronic applications 

    García Castelló, Núria (Date of defense: 2014-04-28)

    Introduction It is undisputed that the silicon became the material most widely used in electronics in recent decades[1,2]. The qualities of silicon are well known, from its abundance and low cost to its ability to easily ...

    Development of Cu(2)ZnSn(S,Se)(4) based solar cells 

    Fairbrother, Andrew (Date of defense: 2014-05-07)

    Thin film solar cell technologies are rapidly developing, and chalcopyrite (Cu(In,Ga)Se2) based devices have demonstrated the highest power conversion efficiencies on the laboratory scale. However, in spite of this promise, ...

    Structure nanoengineering of functional nanomaterials. Advanced electron microscopy study 

    Zamani, Reza (Date of defense: 2013-11-04)

    In this report novel materials for advanced applications are studied by means of the latest microscopy technologies and methodologies which have had a dramatic impact on progress of materials science. The aim was to study ...

    Towards a new dimension in analytical TEM: EELS, Tomography and the Spectrum Volume 

    Yedra Cardona, Lluís (Date of defense: 2013-12-18)

    The main goal of this thesis is to combine electron tomography and electron energy loss spectroscopy (EELS) in the TEM, in order to obtain chemical and electronic information in 3D in the nanoscale. Tomography in the ...

    New strategies in metal oxide nanowire based gas sensors 

    Shao, Feng (Date of defense: 2014-01-31)

    This thesis presents the results of applying new strategies to understand the mechanism and explore the sensing performance of metal oxide (MOX) nanowire based gas sensors by testing individual nanowire gas sensors, running ...

    Sistemas nanoestructurados y propiedades de transporte en capas delgadas de manganita 

    Peña Guédez, Luis Alejandro (Date of defense: 2014-04-24)

    En esta memoria se recogen los resultados sobre preparación y caracterización de las propiedades físicas de sistemas magnéticos nanoestructurados. Para la fabricación de las nanoestructuras se han empleado dos estrategias ...