Now showing items 1-20 of 101

    3d and/or 4f coordination compounds derived from chiral Schiff bases: magnetic and spectroscopic study 

    Mayans Ayats, Júlia (Date of defense: 2018-12-14)

    This PhD thesis has been developed in the Molecular Magnetism Group of the University of Barcelona. As its name indicates, the Molecular Magnetism Group is mostly interested in the magnetic study of coordination complexes, ...

    Actividad de la proteina intrínsecamente desordenada p15(PAF) en el replisoma o cómo el desorden orquesta la replicación celular 

    Barrera Vilarmau, Susana (Date of defense: 2022-03-15)

    La abrazadera deslizante eucariota (PCNA), juega un papel esencial como componente del replisoma. PCNA, de forma toroidal, rodea el DNA y ata las polimerasas y otros factores a la plantilla genómica para una síntesis ...

    Advanced Modelling of Metallic Nanomaterials for Catalysis 

    Vega Domínguez, Lorena (Date of defense: 2021-12-21)

    Nanoparticles are highly relevant for catalysis due to their nanostructure, which increases the fraction of surface atoms, and the size dependent morphology and properties. Catalytic properties of nanoalloys also depend ...

    Agriculture-related organic contaminants: occurrence in edible crops, potential transfer from reclaimed water used for irrigation and bioremediation approaches 

    García Vara, Manuel (Date of defense: 2023-06-13)

    [eng] This doctoral thesis aims at providing novel analytical tools for the environmental control of CECs in waters and crops and generating new knowledge about i) the occurrence and fate of CECs in the agricultural ...

    An STM/FM-AFM investigation of selected organic and inorganic 2D systems on metallic surfaces 

    Matencio Lloberas, Sonia (Date of defense: 2015-10-29)

    Organic/inorganic interfaces play a key role in organic electronic devices such as organic light emitting diodes (OLED), organic field effect transistors (OFET) and organic solar cells (OSC). In these interfaces crucial ...

    Anaerobic digestion of animal by-products: assessment of process limitations and opportunities in real pig slaughterhouses 

    Otero Rodríguez, Ana Mª (Date of defense: 2023-11-28)

    [eng] Meat industry and particularly pig slaughterhouses produce huge amounts of animal by- products not intended for human consumption. This residual stream appears as a potential raw material for anaerobic digestion and ...

    Análisis cualitativo y cuantitativo de fármacos en peces por espectrometría de masas de alta resolución de cuadrupolo-tiempo de vuelo 

    Peña Herrera, Juan Manuel (Date of defense: 2020-05-04)

    En la presente tesis doctoral se desarrollaron métodos analíticos para la determinación de fármacos de uso humanos en el tejido muscular de los peces, incluyendo la comparación y optimización de diferentes tipos de ...

    The Antarctic as Sentinel of Global Pollution 

    Casas Papell, Gemma (Date of defense: 2022-07-19)

    Since the industrial revolution, we have introduced thousands or tens of thousands of new synthetic compounds, originating a new environmental perturbation in the Earth’s system. Among these, there are the so-called ...

    Application of chemometrics to hyperspectral imaging analysis of environmental and agricultural samples 

    Zhang, Xin (Date of defense: 2015-07-07)

    This Thesis deals with the resolution of hyperspectral imaging data by using chemometric methods, in particular by using appropriate data pretreatment methods and by using Multivariate Curve Resolution (MCR) methods. The ...

    Assessment of the lipidomic effects of environmental pollutants on exposed organisms using chemometric and analytical methods 

    Gorrochategui Matas, Eva (Date of defense: 2018-04-20)

    Lipidomics is a subset of metabolomics, which in turn, is one of the categorical platforms that constitute omics. Omic sciences aim at the study of the abundance and (or) structural characterization of a broad range of ...

    Bioactive glass coatings obtained by thermal spray techniques 

    Garrido Domínguez, Beatriz (Date of defense: 2022-06-22)

    Bone tissue has an excellent healing response, recovering functional and structural properties when damaged. Notwithstanding, severe damage to the bone implies the need for surgery to recover. Different orthopaedic devices ...

    Chemical and ecotoxicological assessment of microplastics and emerging risks in the coastal environments 

    Schirinzi, Gabriella Francesca (Date of defense: 2020-06-10)

    In recent decades, global plastics production and consumption have continued to increase. Although many policy strategies on waste prevention and recycling have been implemented, much of the plastic waste is dispersed in ...

    Chemically synthesized peptide libraries as a new source of BBB-shuttles. Use of Mass Spectrometry for peptide identification and quantification 

    Guixer, Bernat (Date of defense: 2014-03-31)

    The blood-brain barrier (888) is a biological barrier that plays a crucial role protecting the brain from neurotoxic agents and regulating the influx and efflux of molecules required for the correct function of this organ. ...

    Cold Spray Deposition of WC-Co Cermets 

    Pereira de Magalhaes e Couto, Miguel (Date of defense: 2014-11-10)

    The main subject of this Thesis is the production of hard, wear and corrosion resistant cermets tungsten carbide and cobalt cermets (WC-Co) with different contents in cobalt matrix, onto low carbon steels and aluminum alloy ...

    Computational Analyses of CO2 Electroreduction and C Interactions with Transition Metals 

    Piqué Caufapé, Oriol (Date of defense: 2022-05-03)

    Catalysis is ubiquitous in chemical industries since it accelerates chemical reactions, thereby saving considerable amounts of energy. Most catalytic processes in industry are heterogeneous in nature, typically involving ...

    Computational modeling of transition metals carbides with relevant to nanotechnology and catalysis 

    Piñero Vargas, Juan José (Date of defense: 2021-12-15)

    The work carried out in this thesis is based on the study of transition metal carbides (TMCs) as catalysts study from a theoretical point of view, using the techniques of Computational Chemistry. TMC materials have been ...

    Computational Modelling of the pH Effect on Intrinsically Disordered Proteins 

    Privat Contreras, Cristian (Date of defense: 2023-04-20)

    [eng] Intrinsically disordered proteins (IDPs) landed on the molecular biology framework at the turn of the 20th century to challenge the established protein function- structure paradigm. Due to their inherent flexibility ...

    Computational modelling to study medium effect over molecules and biopolymers of interest in biomedicine 

    Barazorda Ccahuana, Haruna Luz (Date of defense: 2023-11-17)

    [eng] Computational simulation technologies facilitate the resolution of complex biomedical problems by helping researchers predict what will happen in a natural system in response to various external conditions. The main ...

    Conformational catalytic itineraries of five- and six-membered sugar rings in enzymatic and superacid media 

    Nin Hill, Alba (Date of defense: 2020-10-26)

    Carbohydrates were early considered important for energy storage and structural support for living organisms. It was not until a few decades ago that scientist discovered that they are also involved in much more complex ...

    Conjugated organic radicals and polyradicals: electronic structure and photophysics 

    Sandoval-Salinas, María Eugenia (Date of defense: 2021-02-15)

    The principal aim of this thesis is the understanding of the electronic structure of organic diradical and polyradical molecules. Unveiling the properties that give them the electronic, magnetic, and optical properties to ...