Now showing items 21-40 of 86

    Novel antimicrobial peptides for therapeutic applications: design, synthesis, characterization, and evaluation of their biological and biophysical activity 

    Segovia Laserna, Rosario (Date of defense: 2022-03-08)

    After decades of exorbitant antibiotic misuse and overuse in human medicine, agriculture and livestock industry, multidrug resistant bacteria (MDR) have become a major medical concern. In this regard, the design of new, ...

    Design, synthesis and study of coordination complexes with spin crossover or single-molecule magnet properties 

    Diego Creixenti, Rosa (Date of defense: 2022-01-21)

    Spin crossover (SCO) complexes and single-molecule magnets (SMMs) are promising prototypes that can reach magnetic bistability within the molecular scale required for data storage. Despite the extensive library of versatile ...

    Luminescent gold(I) supramolecular assemblies on materials and biological chemistry 

    Pinto Martínez, Andrea (Date of defense: 2021-11-05)

    During the last years, the research group where this Doctoral Thesis has been carried out has been pioneer in the development of different gold(I) complexes and resulting supramolecular assemblages with a wide variety of ...

    Desenvolupament de processos per a la síntesi de pèptids d’interès terapèutic a escala industrial 

    Duran Corbera, Macarena (Date of defense: 2021-09-30)

    Investigacions recents en el camp de la biomedicina han demostrat que les interaccions entre pèptids i macromolècules com ara les proteïnes, modulen i regulen processos biològics importants com la memòria, la resposta a ...

    Insights into the myristoylated c-Src N-terminal Regulatory Element 

    Mohammad Jabeen, Irrem Laareb (Date of defense: 2021-09-23)

    c-Src is a non-receptor tyrosine kinase that controls numerous cellular signaling pathways. c-Src implication in human cancers was brought into the attention in the 1980s. Since its discovery, unveiling of c-Src ...

    Molecular-based Magnetoresistance Devices at Room Temperature 

    Martín Rodríguez, Alejandro (Date of defense: 2021-09-15)

    In this doctoral thesis a series of computational and experimental studies of molecular magnetoresistance devices at room temperature is presented. This sort of devices is included in the molecular electronics framework ...

    Drug discovery with a FRET Biosensor of scaffolding interactions in the N-terminal region of c-Src = Descubrimiento de fármacos mediante un biosensor basado en FRET sensible a las interacciones en la región N-terminal de c-Src 

    Iruela Martin, Guillermo (Date of defense: 2021-09-16)

    c-Src tyrosine kinase is associated with poor prognosis in many cancer processes. Although inhibitors of c-Src kinase activity are known, they have not reached success in clinical trials because of lack of selectivity or ...

    Mechanistic insights into substrate-assisted catalysis in glycosidases by means of QM/MM molecular dynamics 

    Coines Lopez-Nieto, Juan (Date of defense: 2021-01-20)

    Carbohydrates are essential molecules in biotechnology and for the proper functioning of living organisms. They are involved in energy storage, being structural components or participating in crucial biological processes ...

    The development of new, direct and asymmetric Ni(II) catalysed carbon-carbon bond forming reactions and their application to total synthesis 

    Kennington, Stuart (Date of defense: 2020-12-21)

    This thesis focuses on the search for new methodologies for the direct, stereoselective and catalytic formation of carbon-carbon bonds through the formation of chiral nickel(II) enolate species and the application of such ...

    Reacciones directas de la N-azidoacetil-1,3-tiazolidin-2-tiona catalizadas por complejos quirales de níquel(II) para la construcción enantioselectiva de enlaces carbono-carbono. Síntesis de la lacosamida y derivados de la β-hidroxifenilalanina 

    Flores Teloxa, Saúl (Date of defense: 2020-12-01)

    En esta Tesis Doctoral se han explorado y optimizado nuevas metodologías enantioselectivas y directas de formación de enlaces carbono-carbono catalizadas por complejos quirales de níquel(ll). Esencialmente, se han estudiado ...

    New Catalytic Methods for Pauson-Khand Reactions, Isomerization and Asymmetric Hydrogenations. Application to the Synthesis of Bioactive Compounds 

    Cabré Montesinos, Albert (Date of defense: 2020-01-31)

    The main contribution of this doctoral thesis has been devoted to the field of synthetic organic chemistry. The Pauson-Khand reaction (PKR) is a metal-catalyzed [2+2+1] cycloaddition between an alkyne, an alkene and a ...

    Organocatálisis y transferencia de quiralidad mediante porfirinas autoensamblantes solubles en agua 

    Arlegui Chamizo, Aitor (Date of defense: 2019-12-16)

    La quiralidad es una propiedad fundamental de la naturaleza. La vida en la Tierra se basa en la quiralidad. Casi todos los compuestos quirales presentes en los organismos vivos se encuentran solo en una de sus formas ...

    Studies on the formation of i-motif structures at neutral pH. Use of cytidine analogues and importance of minor groove tetrads on mini i-motifs stabilization 

    Mir Morro, Bartomeu (Date of defense: 2019-11-22)

    Given the increasing interest in i-motif structures, obtaining such structures as well as detailed structural information under physiological conditions have become hot topics in the structural biology field. In this ...

    Síntesi assistida per microones de molècules imant i nanoestructuració en sistemes híbrids amb nanopartícules d’òxid de ferro 

    Rosado Piquer, Lidia (Date of defense: 2019-10-04)

    L’obtenció de dispositius per aplicacions tecnològiques a la nanoescala implica l’ús de molècules que permeten la miniaturització d’aquests, aconseguint així més eficiència en menys espai. Les molècules que s’utilitzen ...

    Aproximació a la síntesi de la iriomoteolida-2a i avaluació in silico de la interacció amb actina. Intents d’un nou mètode de RCM amb formació de dobles enllaços trisubstituïts 

    Marco Correas, Cristian (Date of defense: 2019-10-23)

    La present Tesi Doctoral descriu tots els esforços dedicats a la síntesi total de la iriomoteolida- 2a, un nou macròlid aïllat per Tsuda i col·laboradors a l’illa d’Iriomote (Japó) l’any 2015. Exhibeix una moderada ...

    Bioconjugació de poliols i tiols amb agents antivírics 

    Petit Roig, Elena (Date of defense: 2019-10-29)

    El VIH-1 segueix essent un dels problemes més greus de la sanitat pública mundial, especialment als països del tercer món. La fase més avançada de la infecció pel VIH és la SIDA (síndrome d’immunodeficiència adquirida). La ...

    Semiconductores orgánicos derivados del carbazol y su aplicación en dispositivos electrónicos 

    Cuadrado Santolaria, Alba (Date of defense: 2019-10-18)

    En los últimos años se han llevado a cabo intensas investigaciones dentro del campo de los materiales orgánicos semiconductores, principalmente enfocados a su aplicación en dispositivos electrónicos y optoelectrónicos como ...

    Preparation of CBs immobilized on different types of magnetic nanoparticles for application in selective complexation and catalysis 

    Llorens Palomo, Lluís (Date of defense: 2019-10-28)

    Cucurbiturils are known to present potential applications in molecular recognition, self- assembly, and nanotechnology. The discovery of ultra-high affinity CB–guest complexes with binding constant values similar than those ...

    Anisotropía Magnética en Imanes Moleculares y Qubits con Complejos Metálicos de Espín ½ 

    Amoza Dávila, Martín (Date of defense: 2019-11-08)

    Esta tesis presenta una serie de estudios computacionales basados en métodos de estructura electrónica en los que se analizan la anisotropía magnética y las propiedades derivadas de esta en complejos magnéticos candidatos ...

    Simple and double conjugates of peptides and oligonucleotides 

    Agramunt Pi, Jordi (Date of defense: 2019-11-08)

    2,2-Disubstituted cyclopent-4-ene-1,3-diones (CPDs), which have been as non-hydrolysable maleimide analogs, have been found to possess an unexpected reactivity with N-terminal cysteines. Whilst maleimides react in an ...