Study of nanocomposites prepared from polyamides and biodegradable polyesters and poly(ester amide)s 

    Morales Gámez, Laura Teresa (Fecha de defensa: 2012-01-23)

    Polymer clay nanocomposites of polyamides and biodegradable polymers with three kinds of organomodified clays were prepared by different techniques (in situ polymerization, solution casting, and melt mixing). The polymers ...

    Study of the monofilar suture based on the segmented copolymer GL-b-(GL-co-TMC-co-CL-)-b-GL thermal behavior, degradability and incorporation of active agents : polymers and biopolymers 

    Márquez Lobato, Yolanda (Fecha de defensa: 2016-11-18)

    Biomaterials based on block segmented copolymers constituted by hard and soft segments have attracted much attention for biomedical applications in the last decades, specifically as absorbable monofilament sutures. ...

    Study on adsorption behavior of rare earth elements onto magnetic nanocomposites of carboxymethyl chitosan, alginate and novel biodegradable polyamide 

    Javadian, Hamedreza (Fecha de defensa: 2020-07-16)

    Rare Earth Elements (REEs) are known as the remarkable components in many technologies that are driving the modern world. They are widely used in chemical engineering, permanent magnets, fluorescent lighting, sensors, cell ...

    Study on crystallinity, properties and degradability of poly-4-hidroxybutyrate and related polyesters 

    Keridou, Ina (Fecha de defensa: 2021-04-14)

    In the last decades, polymeric biomaterials, due to their advanced physical and mechanical properties, have been used in a vast variety of surgical and pharmaceutical applications. In this thesis, a study on crystallinity, ...

    Substitution of conventional pre-treatment units by membrane based processes in drinking water treatment 

    Ferrer Mallén, Olga (Fecha de defensa: 2015-12-22)

    This thesis focused on the feasibility of substituting, partially or totally, drinking water treatment plant (DWTP) conventional pre-treatment by membrane based units, in particular by ultrafiltration (UF). For such purpose, ...

    Surface nano-structured materials to control bacterial contamination 

    Petkova, Petya Stoyanova (Fecha de defensa: 2016-07-08)

    The spread of bacteria and infections, initially associated with an increased number of hospital-acquired infections, has now extended into the community causing severe and difficult to treat diseases. Additionally, many ...

    Sustainable plastics derived from renewable resources 

    Zakharova, Elena (Fecha de defensa: 2017-12-11)

    In this century, the major use of synthetic polymers have been as replacements for more traditional materials, particulary in packaging. Today the packaging industry is by far the major user of plastics. Another interesting ...

    Synthesis and characterization of polycarbonates from epoxidized vegetable oils, propylene oxide and carbon dioxide 

    Binti Shaarani, Farra Wahida (Fecha de defensa: 2021-05-20)

    The current research is primarily focused on the preparation of a polycarbonate using epoxidized linseed oil (ELO) and epoxidized soybean oil (ESO) as feedstocks. The presence of unsaturation in vegetable oil structure ...

    Synthesis, characterization and biomedical applications of biodegradable poly(ester amide)s and related polymers 

    Murase Fernández, Sara Keiko (Fecha de defensa: 2015-04-24)

    Synthetic biopolymers have attracted considerable attention in the last decades in the biomedical field. Poly(ester amide)s are a family of biodegradable polymers that can be tailored for specific applications due to the ...

    Synthesis, characterization and biomedical applications of microbial polymalic and polyglutamic acids derivatives 

    Portilla Arias, José Antonio (Fecha de defensa: 2008-04-24)

    In the rapidly changing scientific world, contributions of scientists and engineers are leading to major new solutions of significant medical problems. Biology and medicine are beginning to reduce the problems of disease ...

    Techniques for the efficient solution of Large-scale production scheduling & planning problems in the process industries 

    Kopanos, Georgios (Fecha de defensa: 2011-04-14)

    Nowadays, every company seeks to optimize its Supply Chain (SC) in response to competitive pressures or to acquire advantage of new flexibility in the restrictions on world trade. The process systems engineering research ...

    TiO2-based heterostructure photocatalysts for enhanced hydrogen production 

    Xing, Congcong (Fecha de defensa: 2021-07-30)

    The photocatalytic production of hydrogen from water and biomass derivatives such as ethanol, glycerol and sugars is a highly attractive strategy to generate environmentally benign hydrogen. Ethanol is more easily oxidized ...

    Titanium dioxide and nanoshaped ceria for solar hydrogen production 

    Serafin, Jaroslaw (Fecha de defensa: 2022-04-21)

    This work facuses on the study of these processes on Ti02 and Ce02, respectively. Although the development of photocatalytic research with the use of semiconductor photocatalysts does not last longer than about 40 years, ...

    Towards Integrated Management of the Supply Chain for Enterprise Sustainability 

    Laínez Aguirre, José Miguel (Fecha de defensa: 2010-01-15)

    Las tendencias del mercado han hecho que las empresas cambien su forma de hacer negocios. La Globalización ha permitido a las empresas tener la posibilidad de acceder a distintos proveedores y mercados globalmente dispersos. ...

    Towards multi enterprise-wide coordination for large-scale chemical supply chains 

    Hjaila, Kefah (Fecha de defensa: 2016-09-06)

    Current Supply chain (Se) decision support tools are devoted to the optimization of one objective function from a bias centralized perspective, without considering the coexistence with other participants and their uncertain ...

    Towards the recovery of rare earth elements from end-of-life products : hydrometallurgical routes and mathematical modelling of extraction systems 

    Obón Estrada, Eleonora (Fecha de defensa: 2019-11-27)

    The rare earth elements (REEs) are essential ingredients for the development of modern industry and the transition to a more sustainable economy model. The unique physicochemical features of these elements, such as their ...

    Towards the wastewater treatment plant of the future : integration of carbon redirection and nitrogen recovery technologies 

    Sancho Lacalle, Irene (Fecha de defensa: 2018-12-12)

    Most of the urban wastewater treatment plants (WWTP), based on conventional activated sludge (CAS) systems, cannot be considered sustainable since the concept of resources (energy and nutrients) recovery is not taken into ...

    Tratamientos de tejidos de algodón con ozono: análisis de las variables de proceso, aproximación cinética, estudio del envejecimiento y caracterización superficial 

    Bautista Pérez, Lorenzo (Fecha de defensa: 2013-04-09)

    Los tejidos de algodón se someten a procesos de preparación (desencolado, descrudado y blanqueo) basados en la eliminación de impurezas presentes en la superficie de la fibra. Actualmente se blanquean con peróxido de ...

    Ultrasound micromolding technique and real-time X-ray diffraction using synchrotron radiation : applications to porous scaffolds for biomedical devices and study of thermal-induced transitions 

    Olmo Osuna, Cristian (Fecha de defensa: 2021-07-16)

    Current market trend is moving to miniaturized specimens, especially in the biomedical field seeking high effective and less invasive treatrnent. Ultrasound (US) micromolding is a new technique developed to the aim of ...

    Una nova metodologia per a l'avaluació de la gestió ambiental en ports de mar 

    Darbra i Roman, Rosa Mari (Fecha de defensa: 2005-02-05)

    Els ports de mar constitueixen una infraestructura molt important en els països costaners, tant des del punt de vista econòmic com social. Però a la vegada són sistemes molt complexes des del punt de vista ambiental, ja ...