Now showing items 21-40 of 100

    Development of a compact NDIR spectometer based on MOEMS components for fruit ripening monitoring 

    Fonollosa Magrinyà, Jordi (Date of defense: 2009-07-20)

    [spa] Actualmente el control de la concentración de etileno en las cámaras de almacenamiento de fruta proporciona información de gran interés sobre su estado. Por un lado, la fruta produce pequeñas concentraciones de etileno ...

    Development of a Complete Optical Microsystem for Particle Flow Detection 

    Bernat Ubiaga, Ivan (Date of defense: 2013-11-08)

    Esta tesis doctoral resume el trabajo realizado en el Departamento de Electrónica de la Facultad de Física, en la Universidad de Barcelona. El objetivo de la misma se centra en el diseño y fabricación de un microsistema ...

    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 ...

    Development of a multichannel integrated circuit for Silicon Photo-Multiplier arrays readout 

    Comerma Montells, Albert (Date of defense: 2014-01-09)

    The aim of this thesis is to present a solution for the readout of Silicon Photo-Multipliers (SiPMs) arrays improving currently implemented systems. Using as a starting point previous designs with similar objectives a novel ...

    Development of a nano sensor for direct-electric free-label detection of DNA’s hybridization and single nucleotide polymorphism 

    Zaffino, Rosa Letizia (Date of defense: 2015-11-11)

    The search for analytical tools suitable for wide-scale application of DNA analysis is an hot research topic, although thanks to well-established microarray based technology, analysis of DNA sequences and SNP detection can ...

    Development of an advanced 3D culture system for human cardiac tissue engineering 

    Valls Margarit, Maria (Date of defense: 2017-07-07)

    Ischemic heart disease is a major cause of human death worldwide owing to the heart minimal ability to repair following injury. Other than heart transplantation, there are currently no effective or long-lasting therapies ...

    Development of cellular microarrays for stem cell culture and early stage differentiation evaluation 

    Rodríguez Seguí, Santiago Andrés (Date of defense: 2010-01-15)

    [spa] El desarrollo de microambientales artificiales ordenados en un formato de microarray (microarrays celulares, también conocidos en inglés como "cellular microarrays") se ha propuesto como una herramienta que permite ...

    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, ...

    Development of Cu2ZnSnSe4 Based Thin Film Solar Cells by PVD and Chemical Based Processes 

    Neuschitzer, Markus (Date of defense: 2016-09-29)

    Nowadays mono- and multicrystalline silicon have the highest market share of all PV technologies but thin film solar cells based on CdTe or Cu(In,Ga)Se2 (CIGS) absorbers recently show promising high power conversion ...

    Development of electrochemical platforms for DNA sensing 

    Alfonso Pardo, Wilmer (Date of defense: 2016-02-08)

    The present doctoral thesis is framed in the research and development (R & D) project between a private biotechnology company of molecular diagnostics Genomica SAU, the Institute for Bioengineering of Catalonia (IBEC), the ...

    Developpement d'une technologie de puissance intelligente CMOS/DMOS immune au "latch-up" basée sur un concept de puits flottant 

    Puig i Vidal, Manuel (Date of defense: 1993-06-09)

    RÉSUMÉ:<br/><br/>Dans ce mémoire, nous avons proposé une méthodologie de conception originale basée sur un concept de puits flottant permettant de rendre immune au "latch-up" une technologie CMOS/DMOS de puissance intelligente ...

    Diseño de moduladores Delta-Sigma en tecnología CMOS-VLSI. Aplicación al desarrollo de circuitos de interfaz para sensores capacitivos 

    Gómez Cama, José María (Date of defense: 2000-07-17)

    La tecnología microelectrónica esta entrando a formar parte de la vida cotidiana. Así, además del ordenador PC, tanto en los vehículos, como en las viviendas es difícil encontrar equipos o subsistemas eléctricos que no ...

    Efectes de la il·luminació sobre els òxids metàl·lics: aplicacions a sensors de gasos i fotoreducció de CO₂ 

    Manzanares Altés, Marta (Date of defense: 2016-02-01)

    La interacció de la llum amb els òxids metàl.lics (MOX's) semiconductors, sempre i quan l'energia dels fotons sigui superior a l'amplada de la banda prohibida, produeix un increment significatiu de la densitat de portadors ...

    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 ...

    Electrical Characterization of Biological Elements by Atomic Force Microscopy 

    Casuso Páramo, Ignacio (Date of defense: 2008-03-11)

    The assessment of the electrical properties of biomolecules at the nanoscale becomes necessary for gathering previous basic knowledge and for the control of the biosensor fabrication. I developed instrumentation, protocols, ...

    Electrochemical multi-sensors for biomedical applications 

    Tahirbegi, Islam Bogachan (Date of defense: 2013-11-05)

    In this thesis, pH and potassium all-solid-state ISE based on potentiometry and bioimpedance sensors were designed, fabricated and integrated in a miniaturized array for its application in endoscopic surgery for in vivo ...

    Electron Energy Loss Spectroscopy Solutions for Nanoscale Materials Science Problems 

    Estradé Albiol, Sònia (Date of defense: 2009-02-21)

    In the Transmission Electron Microscope (TEM), an incident electron suffers both elastic and inelastic scattering by the solid state thin sample that is being characterised. In the event of inelastic scattering, the incident ...

    Electron transport in low-dimensional systems: optoelectronic device simulations 

    Illera Robles, Sergio (Date of defense: 2015-06-04)

    The main topic of this thesis is the theoretical and computational investigation of the opto-electronic properties of large arrays of semiconductor quantum dots embedded in an insulator matrix. For that purpose, an electronic ...

    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 ...

    Enabling active locomotion and advanced features in capsule endoscopy 

    Alonso Casanovas, Oscar (Date of defense: 2012-04-27)

    The significant development in medical diagnostics and imaging has brought up a lot of new wireless capsule endoscopes coming to health care market. The capsule has been able to minimize patient discomfort and pain during ...