Now showing items 131-150 of 220
Bautista Betancur, Mayka Irina (Date of defense: 2015-09-21)
A polymer containing small amounts of ionic groups either along the polymer backbone chains or as pendant groups is defined as ionomer. As originally proposed by Eisenberg, the interaction between ionic groups leads to the ...
Muñoz Mata, Edrisi (Date of defense: 2011-12-12)
Nowadays, factors such as globalization of trade, market uncertainty and fierce competition involve dwindling error margins in enterprises. Two key aspects for achieve it are the viability and the competitiveness of ...
Bojarski, Aaron David (Date of defense: 2010-10-07)
La industria es comúnmente vista como una fuente de degradación ambiental y de consumo de recursos, a pesar de ello es una parte vital del desarrollo social y de la creación de riqueza. Del mismo modo, los sistemas ...
Lapo Calderón, Byron Gonzalo (Date of defense: 2023-07-12)
(English) Rare earths elements (REE) are crucial elements to the future of technology, particularly to the power generation and road transport. One of the most sustainable processes to recover rare earths is biosorption. ...
Abaroudi, Kamal (Date of defense: 2001-04-04)
En esta tesis, se ha intentado sustituir el uso de los solventes orgánicos clorados peligrosos con la técnica de la extracción supercrítica para la limpieza de piezas metálicas porosas. Se ha estudiado experimental y ...
Bosch Presegué, Laia (Date of defense: 2007-05-16)
La rodopsina (Rho) és el receptor visual responsable de la visió a baixa intensitat lumínica. Aquest receptor, que es troba en les cèl·lules bastó de la retina, està constituït per 7 hèlices transmembrana i és el prototip ...
Chen, Yufen (Date of defense: 2023-05-19)
(English) Metal clusters and single atoms have been considered as effective cocatalysts for the enhancement of photocatalytic hydrogen production dueto their singular geometric structures, electronic properties and unique ...
Müller, Franciélli (Date of defense: 2013-09-27)
The main objective of this Thesis is the development of anionic and cationic polymeric membranes for treatment of solution containing metallic ions using electrodialysis process. In this work were synthesized cationic ...
Puig Durán, Martí (Date of defense: 2016-11-04)
It is broadly known that efficient ports are crucial for the economic development of their surrounding area. However, the loading and unloading of goods in the ports, the related ship traffic, and the hinterland distribution ...
Mehlhorn, Arndt (Date of defense: 1998-12-09)
La tesis doctoral se compone de dos partes fundamentales: El desarrollo teórico de un modelo de simulación para la destilación discontinua y la validación de este mediante experimentos hechos en una planta piloto de ...
Lanz Landázuri, Alberto (Date of defense: 2014-04-28)
Polymers are becoming preferred materials in biomedical applications because of their vast diversity of properties, functionalities and applications. Properties as mechanical strength, stability against degradation, ...
Molina García, Brenda Guadalupe (Date of defense: 2020-07-13)
Development of polymeric biomaterials with tailored properties is essential for expanding biotechnologies and, therefore, proposing novel solutions for diagnostic and treatments in modern medicine. In order to contribute ...
Cordomí Montoya, Arnau (Date of defense: 2008-03-11)
Seven transmembrane (7-TM) G protein coupled receptors (GPCR) constitute the largest family of integral membrane proteins in eukaryotes with more than 1000 members and encoding more than 2% of the human genome. These ...
Francesko, Antonio (Date of defense: 2012-11-29)
This thesis focuses on the development of active multifunctional dressing materials and nanoparticle formulations with suitable exploitation characteristics for chronic wounds treatment. Chronic wounds a growing clinical ...
Stefanov Stefanov, Ivaylo (Date of defense: 2019-07-23)
Chronic wounds became burdensome problem of worldwide healthcare systems, along with the increased elderly population, which is the most vulnerable risk group, predisposed to their development. Chronic wounds represent a ...
Martínez Martínez, Gabino Lester (Date of defense: 2019-07-11)
Hydrogen is one of the most promising solutions for the energy future, since its combustion only produces water vapour, so it does not pollute. In addition, it can be obtained from abundant and renewable substances. Fuel ...
Pagès i Hernando, Neus (Date of defense: 2016-09-15)
Reliable access to freshwater is one of the fundamental pillars for our society. Freshwater scarcity has become a major concern in many arid and sem i-arid countries worldwide to s uch an extent that water s upply for ...
Ivanova, Aleksandra Asenova (Date of defense: 2022-03-11)
lnfectious diseases are the leading cause of death worldwide while the constantly raising antimicrobial resistance (AMR) is a major concern for the public health. During the infection establishment bacteria! pathogens ...
Ivanova, Kristina Dimitrova (Date of defense: 2017-01-27)
The accelerated emergence of drug resistant bacteria is one of the most serious problems in healthcare and the difficulties in finding new antibiotics make it even more challenging. To overcome the action of antibiotics ...
Dunjó Denti, Jordi (Date of defense: 2010-02-18)
Identifying hazards is fundamental for ensuring the safe design and operation of a system in process plants and other facilities. Several techniques are available to identify hazardous situations, all of which require their ...