Now showing items 242-261 of 266

    Statistical tests for comparisons of spatial and spatio-temporal point patterns 

    González Monsalve, Jonatan A. (Date of defense: 2018-02-21)

    We mainly introduce a new set of tests to compare functional descriptors in point processes context. Firstly, since the study of spatio-temporal point processes has not been widely covered in the literature, a complete ...

    Structural and Processing Modification of Perovskite for the Optimization of Photovoltaic Devices 

    Serafini, Patricio (Date of defense: 2023-11-21)

    Perovskite solar cell devices exhibit better properties than previous generations of solar cells thus making them a powerful competitor in the market. However, it is necessary to carry out optimizations to reach high ...

    Studies of sulfurated compounds and epoxidation of MDH adducts. New inhibitors of cysteine proteases. 

    Latorre Martínez, Antonio (Date of defense: 2015-12-18)

    A. L. Martínez presents a PhD thesis on syntheses design and testing of new protease inhibitors targeting proteasome and cysteine proteases, e.g. cathepsins. With the various chapters his thesis covers fields from organic ...

    Study of the possible migration risks of food contact materials for children under 3 years 

    Onghena, Matthias (Date of defense: 2016-11-01)

    El Bisfenol-A (BPA) se ha usado durante muchos años como monómero en polímeros de policarbonato (PC) (botellas de agua y comida para niños-biberones) y en resinas tipo epoxi (botes de comida preparada), a partir de los ...

    Sulfuros clúster de molibdeno como catalizadores selectivos en procesos de reducción para la síntesis de aminas 

    Pedrajas Gual, Elena (Date of defense: 2017-09-26)

    En esta tesis doctoral se describe la síntesis, caracterización y aplicaciones catalíticas de nuevos sulfuros clúster de molibdeno con ligandos dadores de nitrógeno. La síntesis del primer clúster diamino Mo3S4 de fórmula ...

    Supramolecular metallogels for application in catalysis 

    Cerqueira Araújo, Marco Filipe (Date of defense: 2016-06-21)

    La tesis describe el diseño y la síntesis de geles moleculares funcionalizados con fragmentos catalíticos de feniltriazol (PhTzValn), benciltriazol (BzTzAValn) y azidocoumarinatriazol (RAzTzValn) y su aplicación como ...

    Surface state assisted charge transfer and recombination processes at the semiconductor/electrolyte interface 

    Bertoluzzi, Luca Gael (Date of defense: 2016-06-15)

    La necesidad urgente de adoptar las medidas necesarias para limitar el aumento de la temperatura global del planeta a un máximo de 1.5ºC fue enfatizada durante la Cumbre de Paris contra el cambio climático celebrada a ...

    Synthesis of colloidal nanomaterials through femtosecond laser ablation 

    Torres Mendieta, Rafael Omar (Date of defense: 2016-06-24)

    La investigación de esta tesis se centra en la producción de nanoestructuras metálicas dentro de aceites orgánicos y nano-ensambles por ablación láser en líquidos para resolver los mayores problemas en su producción por ...

    Synthesis of combretastatin analogues with antineoplastic properties 

    Conesa Milián, Laura (Date of defense: 2019-06-25)

    This doctoral thesis belongs to the field of medicinal and pharmacological chemistry. Its aim is the synthesis, characterization and biological evaluation of three families of aminocombretastatin derivatives, compound with ...

    Synthesis of compounds with potential biomedical activity: SARS-CoV-2 main protease inhibitors and ABA analogs 

    De la Hoz Rodríguez, Sergio (Date of defense: 2024-04-17)

    The COVID-19 pandemic, caused by the SARS-CoV-2 virus, has increased the development of new antiviral drugs to stop its spread. This work focused on synthesizing specific inhibitors of the Mpro protease, crucial for the ...

    Synthesis of highly functional polypeptides and polypeptoids via N-carboxyanhydride ring opening polymerization as drug delivery nanosystems 

    Miravet Martí, Rafael (Date of defense: 2024-02-15)

    In this work, N-carboxyanydride ring opening polymerization (NCA-ROP) has been widely explored and used as synthetic strategy for the synthesis of polypeptides and polypeptoids affording well-defined polymers with low ...

    Synthesis of nanomaterials by high throughput pulsed-laser based systems: Application in biomedicine and material processing 

    Doñate Buendía, Carlos (Date of defense: 2019-12-17)

    The work developed in this thesis is based on the study of systems for the generation of nanoparticles in liquids by means of pulsed lasers, improving their production and using the generated nanoparticles in applications ...

    Teorí­as de primer y segundo orden sobre el potencial de ciertas figuras de equilibrio de cuerpos celestes 

    Forner Gumbau, Manuel (Date of defense: 2010-11-26)

    Uno de los problemas que aborda la Mecánica Celeste es la determinación de las figuras de equilibrio de los cuerpos celestes. Para investigar su solución mediante métodos directos, se precisa evaluar el potencial generado ...

    Tetrametallic (Gold, Iridium and Rhaodium) complexes based on N-Heterocyclic carbenes. From luminescent properties to supramolecular assemblies 

    Gutiérrez Blanco, Ana María (Date of defense: 2021-05-03)

    The research carried out in this doctoral thesis can be summarized as the the preparation of different multimetallic complexes containing N-heterocylic carbene (NHC) ligands. In this aim, the main objective is to obtain ...

    Técnicas geoestadísticas espectrales. Análisis de la estacionariedad e independencia 

    Juan Verdoy, Pablo (Date of defense: 2005-05-13)

    En cualquier análisis estadístico en ciencias ambientales, se puede decir que la determinación de la estructura espacial subyacente es necesaria. Estudiamos dependencias espaciales, utilizando el análisis espectral de ...

    The investigation of illicit drugs and their metabolites in water by liquid chromatography coupled to low and high resolution mass spectrometry 

    Bijlsma, Lubertus (Date of defense: 2014-11-28)

    La investigación de drogas ilícitas (IDs) en aguas se ha convertido en tema de actualidad en los últimos años. Las IDs pueden entrar en las aguas residuales, inalteradas o como metabolitos, después de su consumo y excreción. ...

    The nature of noise in single-pixel cameras and their application in imaging through scattering media 

    Jáuregui Sánchez, Yessenia (Date of defense: 2019-07-19)

    Imaging through scattering media has been a longstanding issue in many scientific fields and several optical techniques have emerged to retrieve the information of objects hidden in highly scattering media. Single-pixel ...

    Tioclústeres de molibdeno o wolframio homo- y heterometálicos con estructura de cubano 

    Feliz Rodríguez, Marta (Date of defense: 2003-12-19)

    En esta tesis doctoral se han desarrollado nuevas vías de síntesis de clústeres trinucleares cuboidales de molibdeno y wolframio con unidad central [M3S4] coordinados a difosfinas. La reactividad del metal M se ha investigado ...

    Trapping flexural waves in thin elastic plates by complex engineered surfaces 

    Martí-Sabaté, Marc (Date of defense: 2023-09-28)

    This document proposes the design of geometrical structures of resonators on top of a thin elastic plate in order to trap waves that propagate through the plate in a reduced area. Multiple scattering theory has been used ...

    Triangular Bézier surfaces generation methods using P.D.E’s, functional minimization and masks 

    Arnal Pons, Ana María (Date of defense: 2007-02-09)

    La tesi doctoral titulada "Mètodes per a generar superfícies de Bézier triangulars utilitzant EDPs, minimització de funcionals i màscares," és un complet treball en què s'aborda el següent problema: com generar superfícies ...