Now showing items 41-60 of 140

    Designing a robot to evaluate group formations 

    Paillacho Chiluiza, Dennys (Date of defense: 2019-05-03)

    Robots are making their way in environments inhabited by people. Whether in domestic or public crowded environments, robots should take into consideration social norms and behaviors in order to become a social robot. This ...

    Cell derived-extracellular matrix scaffolds with polylactic acid microcarriers for tissue engineering and cell therapy 

    Cano Torres, Irene (Date of defense: 2019-04-05)

    Organ shortage for transplantation and the need for new therapies for the treatment of tissular damages have driven the development of an exciting field in research, called tissue engineering (TE). Its potential entails ...

    Study of longitudinal neurodegeneration biomarkers to support the early diagnosis of Alzheimer’s disease 

    Gavidia Bovadilla, Giovana (Date of defense: 2018-10-21)

    Alzheimer’s Disease (AD) is a progressive and neurodegenerative disorder characterized by pathological brain changes starting several years before clinical symptoms appear. Earlier and accurate identification of those brain ...

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

    Melchor Rodríguez, Angel (Date of defense: 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 (Date of defense: 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, ...

    A contribution to the incorporation of sociability and creativity skills to computers and robots 

    Raya Giner, Cristóbal (Date of defense: 2018-11-14)

    This dissertation contains the research and work completed by the PhD candidate on the incorporation of sociability and creativity skills to computers and robots. Both skills can be directly related with empathy, which is ...

    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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 ...

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

    Ortiz València, Héctor (Date of defense: 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 ...

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

    García Sánchez, Tomás (Date of defense: 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 ...