A theoretical study on the mechanism of the oxidation of substrates by human aromatase enzyme (CYP19A1) 

    Viciano Gonzalo, Ignacio (Date of defense: 2016-07-22)

    The enzyme Cytochrome P450 aromatase plays an essential role in the biosynthesis of estrogens, and its inhibition is an important target for the development of drugs for the treatment of breast cancer. The main purpose of ...

    Computational Studies of the Mechanism of Catalysis and Inhibition of Cysteine Proteases 

    Arafet Cruz, Kemel (Date of defense: 2017-09-27)

    Falcipain-2 and cruzain are cysteine proteases involve in Malaria and Chagas disease. Today, many aspects of both, inhibition mechanism and catalytic mechanism of these enzymes are unclear. Thus, it is crucial to improve ...

    Electronic structure of quantum dots: response to the environment and externally applied fields 

    Segarra Ortí, Carlos (Date of defense: 2016-09-06)

    En esta Tesis Doctoral se han estudiado teóricamente las propiedades electrónicas y ópticas de electrones y huecos confinados en puntos cuánticos semiconductores mediante el uso del método k·p dentro de las aproximaciones ...

    Estudio teórico del mecanismo antimalaria de la artemisinina y sus derivados 

    Moles Tena, Pamela (Date of defense: 2011-07-28)

    In the present PhD thesis, we report a complete theoretical study that thoroughly investigates several aspects of a complex biological system: the action of artemisinin and its derivatives against malaria. This study, ...

    Inhibition studies on the human 20S proteasome: molecular insights from a computational approach 

    Serrano Aparicio, Natalia (Date of defense: 2022-02-01)

    The human 20S proteasome activity and malfunction has been related to numerous diseases and validated as a protein target for inhibition in the treatment of cancer, with three proteasome inhibitors approved as a drug. But ...

    Integración del Hamiltoniano K·P en Simetria Axial 

    Climente Plasencia, Juan Ignacio (Date of defense: 2005-03-15)

    Aquesta tesi mostra un mètode eficient per integrar numèricament una hamiltoniana k·p per heteroestructures semiconductores zero-dimensionals (punts quàntics). S'ofereixen nombrosos exemples d'aplicació en punts quàntics ...

    Molecular insights into the promiscuity of serine hydrolases. Towards a computationally guided protocol for the redesign of enzymes 

    Galmés Ordinas, Miquel Àngel (Date of defense: 2022-01-20)

    Two serine hydrolases, Candida antarctica Lipase B (CALB) and para-nitrobenzyl (Bs2) esterase from Bacillus subtilis, were used as a model to study enzyme promiscuity through QM/MM methods and experimental enzymes kinetics. ...

    Quantum Mechanics/Molecular Mechanics modeling of biological relevant reactions catalyzed by enzymes 

    Meliá Fortuño, Concepción (Date of defense: 2017-09-28)

    A theoretical study of the hydrolysis of a β-lactam antibiotic was carried out in gas phase at different levels of theory. Later, the reaction was studied in solution, describing the sub-set of atoms of the QM region with ...

    Reactividad Química a Dos Estados: Algunos Ejemplos en Química Orgánica, Inorgánica y Organometálica 

    González Navarrete, Patricio Andrés (Date of defense: 2011-04-12)

    A variety of chemical phenomena are governed by transitions at crossing points of potential energy surfaces of electronic states with different spin multiplicities, if not directly, but indirectly in the midst of the ...

    Theoretical Studies of the Catalytic Mechanism of the Dihydroxyacetone Kinase 

    Bordes Pastor, Isabel (Date of defense: 2017-09-27)

    Dihydroxyacetone kinases (DHAKs) catalyse the transfer of the phosphoryl group from adenosine triphosphate (ATP) to dihydroxyacetone (Dha) generating Dha phosphate (Dha-P), a very important specie for C-C bond formation ...

    Understanding Acetylcholinesterase Inhibitors: Computational Modeling Approaches 

    Moreno Nascimento, Érica Cristina (Date of defense: 2017-07-25)

    La presente Tesis Doctoral constituye un estudio teórico sobre el proceso de inhibición de la acetilcolinesterasa por moléculas que bloquean el sitio activo de la proteína. Se han estudiado un conjunto de 44 inhibidores, ...