Now showing items 81-100 of 145

    Biomimetic set up for chemosensor-based machine olfaction 

    Ziyatdinov, Andrey (Date of defense: 2014-12-04)

    The thesis falls into the field of machine olfaction and accompanying experimental set up for chemical gas sensing. Perhaps more than any other sensory modality, chemical sensing faces with major technical and conceptual ...

    Valoración de la respuesta tisular tras a pancreatotomía media realizada con un dispositivo asistido por radiofrecuencia 

    Quesada Diez, Rita (Date of defense: 2014-12-10)

    The current approach to managing the distal pancreas after pancreaticoduodenectomy is to anastomose the stump to either the jejunum or the stomach. However, occlusion of the main pancreatic duct (usually sutured, ligated ...

    Development of nonlinear techniques based on time-frequency representation and information theory for the analysis of EEG signals to assess different states of consciousness 

    Melia, Umberto (Date of defense: 2014-12-03)

    Electroencephalogram (EEG) recordings provide insight into the changes in brain activity associated with various states of anesthesia, epilepsy, brain attentiveness, sleep disorders, brain disorders, etc. EEG's are complex ...

    Smartphone-based human activity recognition 

    Reyes Ortiz, Jorge Luis (Date of defense: 2014-11-28)

    Human Activity Recognition (HAR) is a multidisciplinary research field that aims to gather data regarding people's behavior and their interaction with the environment in order to deliver valuable context-aware information. ...

    Machine learning methods for the analysis of liquid chromatography-mass spectrometry datasets in metabolomics 

    Fernández Albert, Francesc (Date of defense: 2014-10-30)

    Liquid Chromatography-Mass Spectrometry (LC/MS) instruments are widely used in Metabolomics. To analyse their output, it is necessary to use computational tools and algorithms to extract meaningful biological information. ...

    Lactate-releasing PLA scaffolds for brain regeneration 

    Álvarez Pinto, Zaida (Date of defense: 2014-07-25)

    Stroke and traumatic brain injuries are common causes of disability, with loss of nerve tissue due to secondary degeneration, gliosis, and often the formation of cavities that inhibit neural cell growth. Recent attempts ...

    New approaches in calcium phosphate cements and ceramics for bone regeneration. 

    Gallinetti, Sara (Date of defense: 2014-09-19)

    Bone is among the most frequently transplanted tissues in the body. In Europe, about one million patients encounter a surgical bone reconstruction annually. The worldwide market of bone replacement materials is currently ...

    Methodologies for hybrid systems diagnosis based on the hybrid automaton framework 

    Vento, Jorge (Date of defense: 2014-06-20)

    Hybrid systems play an important role in the modeling of complex systems since they take into account the interaction between both continuous dynamics and discrete events. Complex systems are subject to changes in the ...

    Contribución al análisis del movimiento humano aplicado a la identificación de posturas y bloqueos de la marcha en pacientes con Parkinson 

    Rodríguez Martín, Daniel (Date of defense: 2014-05-21)

    The following dissertation presents the contributions of the author in the field of human movement analysis and, specifically, in Parkinson's disease. Recent technologies have allowed developing reduced inertial sensors ...

    Contribution to the study and design of advanced controllers : application to smelting furnaces 

    Ojeda Sarmiento, Juan Manuel (Date of defense: 2013-10-09)

    In this doctoral thesis, contributions to the study and design of advanced controllers and their application to metallurgical smelting furnaces are discussed. For this purpose, this kind of plants has been described in ...

    Dispositivos poliméricos para el confinamiento neuronal y registro electrofisiológico "in vitro". Métodos de fabricación y prueba de concepto 

    Morales Carbajal, Ricardo (Date of defense: 2013-10-09)

    La presente tesis trata del diseño y fabricación de un nuevo dispositivo para registrar la actividad eléctrica neuronal espontánea y estimulada farmacológicamente, en redes neuronales in vitro. La forma de operar esta ...

    Skeletal representations of orthogonal shapes 

    Martínez Bayona, Jonàs (Date of defense: 2013-12-12)

    Skeletal representations are important shape descriptors which encode topological and geometrical properties of shapes and reduce their dimension. Skeletons are used in several fields of science and attract the attention ...

    Absorbed dose assessment in the presence of tissue heterogeneities in external radiotherapy 

    Bueno Vizcarra, Marta (Date of defense: 2013-12-13)

    The absorbed dose assessment in the presence of tissue heterogeneities in external radiotherapy is an issue that has concerned the medical physics community for almost three decades and it is still a matter of concern. ...

    Genetic association analysis of complex diseases through information theoretic metrics and linear pleiotropy 

    Brunel Montaner, Helena (Date of defense: 2013-11-14)

    The main goal of this thesis was to help in the identification of genetic variants that are responsible for complex traits, combining both linear and nonlinear approaches. First, two one-locus approaches were proposed. The ...

    Dynamic behavior of type IV collagen at cell-biomaterial interface 

    Coelho, Nuno Miranda (Date of defense: 2012-05-25)

    The initial molecular events that take place at biomaterials interface mimic to a certain extent the natural interaction of cells with the extracellular matrix (ECM). In this thesis we describe the fate of adsorbed type ...

    Estudio de las fuerzas de interacción para la minimización de esfuerzos en rehabilitación robotizada 

    Amigo Vásquez, Luis Ernesto (Date of defense: 2013-10-17)

    Los accidentes cerebrovasculares son una de las principales causas de mortalidad y discapacidad en adultos y su incidencia en la población se incrementa cada año. Sin embargo, gracias a los avances en los protocolos de ...

    Implicaciones del calcio extracelular y su receptor en mebrana (CaSR) en la angiogénesis y la osteogénesis. Relevancia en ingeniería tisular. 

    González Vázquez, Arlyng Gyveth (Date of defense: 2013-09-26)

    Bone injury is a major health problem nowadays. Bone tissue engineering is a promising strategy to solve it. In this field many reports pointed out the role of scaffolds containing a calcium phosphate glass, such as G5, ...

    Evaluación no invasiva de la función muscular respiratoria mediante el análisis de la señal mecanomiográfica en pacientes con enfermedad pulmonar obstructiva crónica 

    Sarlabous Uranga, Leonardo (Date of defense: 2013-10-22)

    El estudio y evaluación de la función muscular respiratoria en enfermedades respiratorias a través de técnicas no invasivas representa un tema de gran interés, dado que hasta la fecha no existen métodos satisfactorios ...

    Analysis of forearm muscles activity by means of new protocols of multichannel EMG signal recording and processing 

    Rojas Martínez, Mónica (Date of defense: 2012-12-20)

    Los movimientos voluntarios del cuerpo son controlados por el sistema nervioso central y periférico a través de la contracción de los músculos esqueléticos. La contracción se inicia al liberarse un neurotransmisor sobre ...

    Application of multibody dynamics techniques to the analysis of human gait 

    Pàmies Vilà, Rosa (Date of defense: 2012-12-21)

    La tesi que es presenta tracta l’estudi cinemàtic i dinàmic de la marxa humana mitjançant tècniques de dinàmica de sistemes multisòlid. Per a aquest propòsit, s’utilitzen dos models biomecànics: un model pla format per 11 ...