Browsing by Title

New azobenzene-based photoswitches for two-photon optical control of neuronal receptors

Gascón Moya, Marta (Date of defense: 2014-06-20)

Aquest projecte persegueix el desenvolupament d’una sèrie de nous interruptors moleculars per a controlar el funcionament d’un canal iònic present en les cèl·lules del sistema nerviós central. Fins a l’actualitat els ...

New balance indices and metrics for phylogenetic trees

Rotger García, Lucía (Date of defense: 2019-07-31)

[eng] The belief that the shape of a phylogenetic tree re ects the properties of the evolutionary processes underlying it has motivated the study of indices quantifying the graph-theoretical properties of phylogenetic ...

New basic catalysts for fine chemicals synthesis

Cota, Iuliana (Date of defense: 2010-06-28)

En los últimos años, existe un creciente interés en la sustitución de viejas tecnologías por alternativas catalíticas más limpias para el desarrollo de procesos respetuosos con el medio ambiente para la industria química. ...

New behavioural models to investigate eating disorders

Burokas, Aurelijus (Date of defense: 2013-11-15)

The rapid increase of obesity has encouraged the study of the aetiology of eating disorders. Besides genetic, social and metabolic factors, obesity is caused by over-eating and has high rate of relapse to abnormal food-taking ...

New biotechnological systems for the research on aryltetralin lignans in Linum album

Lalaleo Córdova, Liliana Paulina (Date of defense: 2017-03-03)

Linum album is an herbaceous plant with medical interest due to its content of podophyllotoxin (PTOX), an aryltetralin lignan with cytotoxic activity. The study of biotechnological alternatives has generated big interest. ...

New carbocyclisations of polyunsaturated hydrazones catalysed by rhodium(I)

Torres Antón, Òscar (Date of defense: 2017-02-24)

Some of the most powerful methods for synthesizing complex organic molecules with high levels of chemo-, diastereo- and enantioselectivity rely on metal carbene chemistry. These compounds are versatile reaction intermediates ...

New catalytic advanced oxidation processes for wastewater treatment

Yalfani, Mohammad Sadegh (Date of defense: 2011-04-13)

En cuanto a la mejora de los Procesos de Oxidación Avanzada para el tratamiento de aguas residuales, se han diseñado y estudiado nuevos procesos catalíticos Fenton y ozonización catalítica para la eliminación de contaminantes ...

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 ...

New Challenges in Learning Classifier Systems: Mining Rarities and Evolving Fuzzy Models

Orriols Puig, Albert (Date of defense: 2008-12-12)

Durant l'última dècada, els sistemes classificadors (LCS) d'estil Michigan - sistemes d'aprenentatge automàtic que combinen tècniques de repartiment de crèdit i algorismes genètics (AG) per evolucionar una població de ...

New Challenges in Quality of Services Control Architectures in Next Generation Networks

Vallejo Blanxart, Àlex (Date of defense: 2010-11-16)

A mesura que Internet i les xarxes IP s'han anat integrant dins la societat i les corporacions, han anat creixent les expectatives de nous serveis convergents així com les expectatives de qualitat en les comunicacions. Les ...

New challenges in Rh(I)-catalysed [2+2+2] cycloaddition reactions

Fernández Wang, Martí (Date of defense: 2017-07-20)

This doctoral thesis studies the involvement of challenging unsaturated substrates in the transition-metal catalysed [2+2+2] cycloaddition reaction, as well as new catalytic systems for the reaction. First, Morita-Baylis-Hillman ...

New challenges in rural development: A multi-scale inquiry into emerging issues, posed by the global land rush

Scheidel, Arnim (Date of defense: 2013-06-28)

En los últimos años están surgiendo nuevos retos asociados al desarrollo rural, catalizados por una fiebre mundial por la adquisición de tierras a gran escala. Este fenómeno, conocido como ‘acaparamiento de tierras’, está ...

New Challenges on Web Architectures for the Homogenization of the Heterogeneity of Smart Objects in the Internet of Things

Caballero Codina, Víctor (Date of defense: 2020-06-10)

Aquesta tesi tracta de dues de les noves tecnologies relacionades amb la Internet of Things (IoT) i la seva integració amb el camp de les Smart Grids (SGs); aquestes tecnologies son la Web of Things (WoT) i la Social ...

New chiral ligands in asymmetric catalysis. Application in stabilization of metal nanoparticles

Axet Martí, M. Rosa (Date of defense: 2006-01-27)

Tesi Doctoral M. Rosa Axet<br/><br/>La tesi consta del desenvolupament i aplicació de lligands difosfit derivats de carbohidrats a la reacció d'hidroformilació i hidrogenació catalitzada per rodi. També s'ha estudiat la ...

A new classification of gamma-ray bursts and its cosmological implications

Balastegui Manso, Andreu (Date of defense: 2006-04-20)

Los estallidos de rayos gamma (del inglés gamma-ray bursts o GRBs para abreviar) se han clasificado tradicionalmente en GRBs cortos y duros, y GRBs largos y blandos, de acuerdo a la distribución biomodal de sus duraciones. ...

New clinical trial designs applied to the study of orphan and rare diseases: feasibility of methodological guidance to clinical development of new treatments from a regulatory perspective

Sancho López, Aranzazu (Date of defense: 2018-11-23)

Las incertidumbres reguladoras asociadas a las autorizaciones de comercialización de medicamentos huérfanos con frecuencia se relacionan con la realización de desarrollos clínicos poco convencionales, obstaculizados por ...