Mostrando ítems 51-70 de 143
Ferrer Vall-llosada, Íngrid (Fecha de defensa: 2015-07-16)
In this thesis we present the synthesis and characterization of different types of ruthenium complexes containing N-donor ligands together with dmso, Cl and H2O ligands, along with their complete characterization through ...
Alonso Roura, Mònica (Fecha de defensa: 2012-12-14)
Hippocrates predicted many years ago that breath could tell something related with our health. On his treaties, he indicated that when the body starts moving after sleeping, and breathe with more frequency, something hot ...
Manrique Salas, Ester (Fecha de defensa: 2018-10-22)
In this thesis we present the synthesis and characterization of different types of ruthenium complexes containing N-donor ligands together with monodentate ligands, along with their complete characterization through s ...
Call Quintana, Arnau (Fecha de defensa: 2016-12-13)
The increasing need for more efficient synthetic methods and sustainable processes for fuel and high-value organic molecules production can be seen as one of the major challenging goals for the future. Nature has developed ...
Vilà Roura, Sílvia (Fecha de defensa: 2014-07-28)
Les malalties causades per bacteris i fongs són responsables d’importants pèrdues econòmiques en cultius. Es considera que els pèptids antimicrobians, naturals i sintètics, són uns bons candidats per a ser utilitzats com ...
Clariana Orduña, Maria (Fecha de defensa: 2011-12-16)
High pressure processing is a food preservation technique which can be an alternative to heat treatment. Pressurization, in theory, produces changes in organoleptic properties and antioxidant compounds to a lesser extent. ...
El Bakouri El Farri, Ouissam (Fecha de defensa: 2017-11-22)
Aromaticity is a key concept in chemistry, used by chemists to explain the structure, stability, and reactivity of many compounds. Aromatic compounds are present in industrial processes as well as in living systems. ...
Curado Carballada, Christian (Fecha de defensa: 2023-03-13)
Enzymes have evolved through years until becoming great catalysts that present high selectivity, specificity, and activity. Initially, enzymes were understood as static (bio)molecular structures capable of accelerating ...
D'Amore, Lorenzo (Fecha de defensa: 2021-12-10)
The oxidative activation of C(sp3)–H bonds under ambient conditions represents a challenge to modern chemistry, nevertheless it is commonly operated in Nature by various oxygenases in key metabolic transformation and ...
Amat Barnés, Lluís (Fecha de defensa: 2003-06-02)
La tesis tracta diferents aspectes relacionats amb el càlcul de la semblança quàntica, així com la seva aplicació en la racionalització i predicció de l'activitat de fàrmacs. Es poden destacar dos progressos importants en ...
Escoda i Acero, Ma. Lluïsa (Fecha de defensa: 1997-07-14)
La memòria consisteix en l'estudi de la complexació del Fe3+ i de l'AI3+ per fosfats i lligands orgànics carboxílics (PBTC) en un medi iònic 0.5 M en NaNO3 i una posterior aplicació dels resultats obtinguda a la caracterització ...
Sánchez i Bassols, Marta (Fecha de defensa: 2008-12-12)
Gran part del districte miner Cartagena-La Unión es troba ocupat per residus provinents d'activitats mineres actualment abandonades. Aquestes activitats, desenvolupades històricament en les muntanyes situades en la costa ...
Rius Solé, M. Àngels (Fecha de defensa: 2000-04-28)
En el presente trabajo de tesis se evalúa la posible contribución de otros compuestos al desarrollo del olor sexual mediante la aplicación de técnicas de Head Space dinámico y cromatografía de filtración de gel. El estudio ...
Escayola Gordils, Sílvia (Fecha de defensa: 2024-05-14)
Aromaticity is a widely used concept in the prediction, design, and understanding of key aspects related to reactivity, structure, and properties of molecules. Linked to cyclic or three-dimensional molecular systems, it ...
Rodríguez Serrat, Mònica (Fecha de defensa: 2019-09-27)
In the last decades, carbenes have shown a huge potential and versatility in organometallic and organic chemistry. In each of these fields, first row transition metal chemistry is less developed than noble metal complexes. ...
Gironés Torrent, Xavier (Fecha de defensa: 2002-05-10)
La present tesi, tot i que emmarcada dins de la teoria de les Mesures Semblança Molecular Quántica (MQSM), es deriva en tres àmbits clarament definits:<br/>- La creació de Contorns Moleculars de IsoDensitat Electrònica ...
Font Rubio, Pau (Fecha de defensa: 2023-10-06)
Homogeneous reactions catalyzed by gold have mainly been developed in the past two decades, stemming from the proneness of Au(I) and Au(III) complexes to coordinate and activate carbon-carbon multiple bonds towards a ...
Serra Parareda, Jordi (Fecha de defensa: 2018-06-21)
Most of the different homogeneous reactions catalyzed by gold have been developed in the past fifteen years and stem from the ability of both Au(I) and Au(III) complexes to coordinate and activate multiple carbon-carbon ...
Sabeña Vila, Gerard (Fecha de defensa: 2017-06-23)
In this work we have prepared octahedral non - heme iron species in high oxidation states. Iron (IV) - oxo and iron (IV) - imido complexes based on triazacyclononane scaffold had been synthesised and all of them had been ...
Sagristà i Puig, Ester (Fecha de defensa: 2012-11-23)
Extensive amounts of pharmaceuticals and personal care products (organic emerging pollutants) are introduced into the environment mainly through wastewater treatment plants discharges either effluent wastewater reaching ...