Now showing items 1-20 of 282

    Homogenous catalysis by molybdenum sulfide clusters and the study of their sulfur-centered mechanisms 

    Mateu-Campos, Juanjo (Date of defense: 2025-02-21)

    The present doctoral thesis is included within the homogenous catalysis field. A comprehensive study has been conducted on the catalytic activity of molybdenum sulfide cluster compounds coordinated with nitrogen-donor ...

    Metal complexes with naphthalene-diimide and perylene-diimide-based ligands: supramolecular interactions and catalytic implications 

    Gutiérrez Peña, Cristian Leonardo (Date of defense: 2025-01-31)

    This doctoral thesis delves into the design and development of new ligand precursors and organometallic complexes through the combination of two different types of rylene-diimides (RDIs), with N-heterocyclic carbene ...

    Unraveling the mechanism of CH3CH2OH dehydrogenation on m-ZrO2(111) surface, Au13 cluster, and Au13 cluster/m-ZrO2(111) surface: a DFT and microkinetic modeling study 

    de Morais, Leonardo Henrique (Date of defense: 2024-12-16)

    In this study, we investigate the dehydrogenation of ethanol and the production of CH3CHO and H2 on the m-ZrO2(111) surface, an Au13 cluster, and Au13/m-ZrO2(111) surface, using density functional theory simulations. Our ...

    Biomaterials based on LMWG-polymer multicomponent supramolecular hydrogels 

    Giménez Hernández, Bárbara (Date of defense: 2025-01-28)

    Supramolecular hydrogels are formed through the self-assembly of low-molecular-weight gelators (LMWGs) in water, creating three-dimensional fiber networks via non-covalent interactions. The primary drawback of supramolecular ...

    Impacto del ejercicio de Ultra Trail sobre el estado oxidativo del plasma y su relación con el daño muscular y la aparición de fatiga en una muestra de corredores amateurs 

    Guerrero Ramos, Carlos (Date of defense: 2024-12-18)

    El estrés oxidativo se ha estudiado ampliamente en asociación con los deportes de ultrarresistencia sin que haya un consenso sobre las repercusiones del mismo. El objetivo de este estudio fue dilucidar el impacto de una ...

    Developing mitigation strategies to alleviate abiotic stress conditions in citrus plants 

    Terán, Fátima (Date of defense: 2024-12-12)

    The climate change situation has worsened in recent decades, and this has negatively affected certain economic activities, particularly agriculture. Crops have been impacted by heatwaves, exposure to high light intensity, ...

    Supramolecular materials based on short peptides: design, synthesis and applications 

    OZBEK, NAGIHAN (Date of defense: 2024-12-13)

    In this study, we planned to obtain supramolecular materials based on short peptides with a low-cost and high-efficiency synthesis procedure, which have an acceptable toxicity rate and can be applied in biological systems ...

    Síndrome metabólico y abuso de alcohol: efectos de la acción combinada de ambas patologías en el balance oxidativo del sistema nervioso central 

    Romero Cano, Ricard (Date of defense: 2024-12-11)

    El síndrome metabólico es un clúster de anormalidades fisiológicas y bioquímicas entre las que se incluyen la resistencia a la insulina, obesidad central, dislipidemia, hipertensión e intolerancia a la glucosa. El consumo ...

    (E)-Styryl derivatives for the discovery of anticancer and antiviral agents 

    Bou Puerto, Amelia (Date of defense: 2024-11-22)

    The present doctoral thesis is situated within the field of medicinal chemistry and the main objective is to design and evaluate organic small molecules with potential anticancer activity and to assess their potential as ...

    Geometric Numerical Integration for Hamiltonian Monte Carlo and Extrapolation 

    Shaw, Luke (Date of defense: 2024-11-08)

    Hamiltonian ordinary differential equations (ODEs) occur in many applications (celestial mechanics, molecular dynamics, sampling) and their efficient numerical integration is thus of great interest. This thesis reviews the ...

    Synthesis and Aggregation Studies of Amino Acid-Derived Reduction-Responsive Bolaamphiphilic Compounds with Applications in Drug Delivery and DNA Condensation 

    Bernal Martinez, Ana Maria (Date of defense: 2024-10-31)

    This thesis explores peptide-based nanocarriers, specifically cationic vesicles and nanogels formed from bolaamphiphilic molecules with a cystamine core and dipeptide groups. The first chapter discusses how these molecules ...

    Redox-switchable and metallaphotoredox catalysts based on NDI/PDI-NHC complexes 

    Ruiz Zambrana, César Luís (Date of defense: 2024-10-25)

    The research presented in this doctoral thesis focuses on the preparation of novel metal complexes bearing a naphthalene-diimide (NDI) or perylene-diimide (PDI) fragment connected to an N-heterocyclic carbene (NHC) ligand. ...

    Formulation of nanoparticles with application in agriculture 

    Sampedro Guerrero, Jimmy Andres (Date of defense: 2024-10-04)

    Plants face extreme climatic conditions that threaten their survival and productivity. To address this issue, salicylic acid (SA) encapsulates have been developed as a palliative treatment against various abiotic stresses. ...

    Metabolic adaptations in plants under the combination of salinity and high irradiance 

    Segarra, Clara (Date of defense: 2024-09-27)

    Climate change is shown as a combination of atmospheric phenomena and human-made pollution that have been aggravated over the last years. Among the different climate changeassociated environmental conditions, increased ...

    New developments and applications of Archetypal Analysis 

    Alcacer Sales, Aleix (Date of defense: 2024-09-27)

    This thesis advances data analysis through innovative methodologies centered on archetypal analysis (AA) and its extensions. It introduces archetypoid analysis for classifying foot shapes, improving footwear design by ...

    Quantum codes and locally recoverable codes from evaluation codes 

    Martín-Cruz, Helena (Date of defense: 2024-07-24)

    This PhD thesis addresses two current problems belonging to the fields of classical and quantum information theory. The first is the repair problem in distributed and cloud storage systems in the setting where multiple ...

    Extracellular DNA-Induced Resistance as a Damage Associated Molecular Pattern (DAMP) in plants 

    Rassizadeh, Leila (Date of defense: 2024-04-19)

    Recent studies have underscored the significance of extracellular DNA (eDNA) as a trigger for defense responses in plants. Our results demonstrated that Arabidopsis thaliana responds to the application of eDNA in a ...

    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 ...

    Exploring the Multifaceted Powers of Solanum lycopersicum Heme-Binding Protein 2 (SlHBP2): A Dynamic Investigation into Antimicrobial, plant Immune-Boosting, and Anticancer Potential 

    Farvardin, Atefeh (Date of defense: 2024-04-10)

    This research investigated the mechanisms of action of Solanum lycopersicum heme-binding protein (SlHBP2) against the bacterial pathogen Pseudomonas syringae pv. tomato DC3000 (Pst) and SlHBP2 potential for boosting plant ...

    Polipropileno modificado con semiconductores de plata: composites con alto potencial contra el SARS-CoV-2 y otros patógenos 

    Ribeiro , Lara Kelly (Date of defense: 2024-03-30)

    Como resultado de esta investigación, se propone la fabricación de compuestos poliméricos destinados a crear superficies biocidas seguras, que puedan ser aplicados de manera económica en equipos de protección personal ...