Ara mostrant els elements 41-60 de 113

    Contributions to heart rate variability and respiratory rate analysis through video imaging techniques 

    Melchor Rodríguez, Angel (Data de defensa: 2019-02-21)

    The present doctoral thesis proposes a series of methods that have as a general objective the non-contact evaluation of heart rate variability (HRV) and respiratory rate (BR) through video imaging. The proposal of this ...

    Stimulation of wound healing and vascularization with calcium-releasing biomaterials 

    Navarro Requena, Claudia (Data de defensa: 2017-11-20)

    Chronic skin wounds are a major socioeconomic burden in developed societies, affecting specially elder and diabetic people. It is estimated that 1 to 2% of the population will suffer a chronic wound in their lifetime and, ...

    Evaluación no invasiva del impulso neural respiratorio y su relación con la respuesta mecánica mediante el análisis de señales electromiográficas de músculos respiratorios 

    Estrada Petrocelli, Luis Carlos (Data de defensa: 2016-11-07)

    Respiratory muscle contraction occurs in response to the electrical stimulation of the muscles. These electrical stimuli originate in the respiratory neurons of the brainstem, are transmitted via motor nerves to the ...

    Analysis of the Interlimb similarity of motor patterns for improving stroke assessment and neurorehabilitation 

    Urra, Oiane (Data de defensa: 2016-10-27)

    Stroke is the leading cause of adult disability, with upper limb hemiparesis being one of the most common consequences. Regaining voluntary arm movement is one of the major goals of rehabilitation. However, even with ...

    Multiview pattern recognition methods for data visualization, embedding and clustering 

    Kanaan, Samir (Data de defensa: 2017-09-22)

    Multiview data is defined as data for whose samples there exist several different data views, i.e. different data matrices obtained through different experiments, methods or situations. Multiview dimensionality reduction ...

    Development of methodologies for estimating the dose to the eye lens in interventional radiology : operational implications of the eye lens new dose limit 

    Principi, Sara (Data de defensa: 2017-09-18)

    Recent epidemiological evidences on very late opacities or cataract manifestation, has led to a review of the actual limit for the eye lens (150 mSv/year) for workers exposed to ionizing radiation. ICRP 118 recommends ...

    Modelado dinámico del sistema respiratorio ante incrementos de demanda ventilatoria, enfermedades pulmonares y ventilación mecánica asistida 

    Serna Higuita, Leidy Yanet (Data de defensa: 2017-09-04)

    Respiratory diseases remain one of the leading causes of death and illness in Europe and worldwide. One of the most important is Chronic Obstructive Pulmonary Disease (COPD) associated mainly with chronic bronchitis and ...

    Fluid-electro-mechanical model of the human heart for supercomputers 

    Santiago, Alfonso (Data de defensa: 2018-03-22)

    The heart is a complex system. From the transmembrane cell activity to the spatial organization in helicoidal fibers, it includes several spatial and temporal scales. The heart muscle is surrounded by two main tissues that ...

    Muscular pattern based on multichannel surface EMG during voluntary contractions of the upper-limb 

    Jordanić, Mislav (Data de defensa: 2017-12-05)

    Extraction of neuromuscular information is an important and extensively researched issue in biomedical engineering. lnformation on muscle control can be used in numerous human-machine interfaces and control applications, ...

    Analysis of the cardiovascular response to autonomic nervous system modulation in Brugada syndrome patients 

    Calvo González, Mireia (Data de defensa: 2017-11-10)

    Brugada syndrome (BS) is a genetic arrhythmogenic disease characterized by a distinctive electrocardiographic pattern, associated with a high risk for sudden cardiac death (SCD) due to ventricular fibrillation (VF) in ...

    Multiscale image analysis of calcium dynamics in cardiac myocytes 

    Vallmitjana Lees, Alexander (Data de defensa: 2017-09-22)

    Cardiac myocytes constitute a unique physiological system. They are the muscle cells that build up heart tissue and provide the force to pump blood by synchronously contracting at every beat. This contraction is regulated ...

    Improvements in the registration of multimodal medical imaging : application to intensity inhomogeneity and partial volume corrections 

    Jiménez González, Xavier (Data de defensa: 2016-12-23)

    Alignment or registration of medical images has a relevant role on clinical diagnostic and treatment decisions as well as in research settings. With the advent of new technologies for multimodal imaging, robust registration ...

    Methods for noninvasive localization of focal epileptic activity with magnetoencephalography 

    Migliorelli, Carolina (Data de defensa: 2017-06-28)

    Magnetoencephalography (MEG) is a noninvasive brain signal acquisition technique that provides excellent temporal resolution and a whole-head coverage allowing the spatial mapping of sources. These characteristics make MEG ...

    Nanoengineering approaches for guiding cellular behavior 

    Gugutkov, Dencho (Data de defensa: 2017-06-29)

    Tissue engineering aims to replace restore or help regeneration of injured tissue or organ with scaffolds that mimic the natural extracellular matrix (ECM). The design of such scaffolds requires deeper understanding of the ...

    Design and fabrication of functionalized high porous poly(lactic acid)-based scaffolds for tissue engineering 

    Puñet Ortiz, Xavier (Data de defensa: 2016-01-26)

    Intelligent scaffolds are designed to trigger the healing regeneration process through the controlled released or disposition of bioactive signals. The fabrication of intelligent scaffolds needs the development of novel ...

    Contributions to the development and validation of fMRI-based biomarkers for drug discovery in social anxiety disorder 

    Ortiz València, Héctor (Data de defensa: 2016-02-02)

    This document presents the theoretical background and experimental work made to develop and validate a set of experiments based on functional magnetic resonance imaging (fMRI). These experiments are aimed to demonstrate ...

    Detección de isquemia de miocardio y estudio de la respuesta autónoma asociada mediante procesamiento de la señal de EGG 

    Magrans Nicieza, Rudys (Data de defensa: 2016-11-29)

    Myocardial ischemia, consequence of coronary artery disease, is the major health problem leading to myocardial infarction (MI), arrhythmias and death. Autonomic nervous system (ANS) regulates several physiological functions ...

    Development of devices and techniques for electroporation and electrical impedance spectroscopy analysis of adherent cells 

    García Sánchez, Tomás (Data de defensa: 2015-04-24)

    The present PhD dissertation is focused on the design and implementation of a microelectrode system capable of performing electroporation and electrical impedance measurements to adherent cell monolayers cultured in standard ...

    Development of antibacterial coatings for titanium dental implants based on different strategies 

    Godoy Gallardo, Maria (Data de defensa: 2015-04-21)

    Tanto el titanio como sus aleaciones son usados como biomateriales por sus excelentes propiedades mecánicas, biocompatibilidad y resistencia a la corrosión. Sin embargo, el fracaso a medio y largo plazo de los implantes ...

    Multichannel analysis of normal and continuous adventitious respiratory sounds for the assessment of pulmonary function in respiratory diseases 

    Lozano García, Manuel (Data de defensa: 2015-07-15)

    Respiratory sounds (RS) are produced by turbulent airflows through the airways and are inhomogeneously transmitted through different media to the chest surface, where they can be recorded in a non-invasive way. Due to ...