Now showing items 3747-3766 of 5424

    N-type bismuth sulfide coloidal nanocrystals and their application to solution-processed photovoltaic devices 

    Martínez Montblanch, Luis (Date of defense: 2014-10-31)

    Durante las últimas décadas, la energía solar fotovoltaica se ha convertido en una tecnología de creciente importancia para satisfacer las necesidades energéticas actuales sin sacrificar las futuras generaciones. Las células ...

    Nanoengineering approaches for guiding cellular behavior 

    Gugutkov, Dencho (Date of defense: 2017-06-29)

    Tissue engineering aims to replace restore or help regeneration of injured tissue or organ with scaffolds that mimic the natural extracellular matrix (ECM). The design of such scaffolds requires deeper understanding of the ...

    Nanoestructuras de TiO2 de baja dimensionalidad para la obtención fotocatalítica de hidrógeno 

    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 ...

    Nanofiltration and hybrid sorption : ultrafiltration processes for improving water quality 

    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 ...

    Nanomaterials based microarray platforms for biodetection 

    Morales Narváez, Eden (Date of defense: 2013-07-21)

    Analytical disciplines are an important field for the progress of healthcare and medicine. In fact the technologies related to analytical disciplines may reveal important information for early diagnosis, treatment of ...

    Nanomaterials for controlling bacterial pathogens and resistance occurrence 

    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 ...

    Nanophotonic antennas for enhanced single-molecule fluorescence detection and nanospectroscopy in living cells membranes 

    Regmi, Raju (Date of defense: 2017-11-10)

    Single-molecule fluorescence spectroscopy has revolutionized the field of biophysical sciences by enabling visualization of dynamic molecular interactions and nanoscopic features with high spatiotemporal resolution. ...

    Nanophotonics of ultrathin films and 2D periodic structures: a combined experimental and theoretical study 

    Mkhitaryan, Vahagn (Date of defense: 2017-09-29)

    Photonics is a key enabling technology for many applications ranging from communications to energy and medicine. Its success is largely relying on our capability to appropriately control light in optical devices. To this ...

    Nanophotonics with charged particles 

    Giulio, Valerio di (Date of defense: 2023-04-12)

    (English) Among the fundamental constituents of matter, charged particles such electrons and positrons are leading protagonists in physical phenomena associated with small (~ meV) and high (~ MeV) energy scales. For example, ...

    Nanoscale Coherent Control. Ultrafast dynamics of single molecules, individual light harvesting complexes and discrete nanoantennas at room temperature. 

    Brinks, Daan (Date of defense: 2012-10-19)

    Ultrafast pulses allow observation of molecular dynamics with femtosecond time resolution through pump probe experiments. However, averaging over an ensemble of molecules tends to wash out phase sensitive information, ...

    Nanoscale control of near-field interactions between single emitters and photonic antennas-on-probe 

    Sanz Paz, Maria (Date of defense: 2020-07-27)

    Photonic antennas are metallic (or dielectric) nanoscale structures that convert propagating light into highly confined fields, and vice versa, in analogy to common radio antennas but on nanometric scales that lead to ...

    Nanoscale spatial control of light in optical antennas 

    Volpe, Giorgio (Date of defense: 2012-05-10)

    El control dinámico y determinístico de la luz en una escala espacial por debajo de la longitud de onda es un requisito clave para ampliar los conceptos y las funcionalidades de la macro-óptica hasta la escala nanométrica. ...

    Nanostructured coatings for controlling bacterial biofilms and antibiotic resistance 

    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 ...

    Narrativas cibernéticas y arquitectura computacional 

    Cifuentes Quin, Camilo Andrés (Date of defense: 2014-10-20)

    This dissertation aims to contribute to the understanding of the role accorded to information technology in architecture. For this purpose the dissertation presents a look at some of the dominant models developed in the ...

    Narrowband photon pairs for atoms: high resolution spectral engineering and characterisation 

    Prakash, Vindhiya (Date of defense: 2021-12-16)

    This thesis describes experimental work to generate and characterise single photons and photon pairs, with frequency content suitable for controlled interaction with cold rubidium atoms. We describe a photon-pair source, ...

    Natural and anthropogenic control of water quality of an Amazon estuary : the Caeté estuary (Brazil) 

    Monteiro, Marcela Cunha (Date of defense: 2017-04-04)

    In the Amazon region, few data are available on the impacts caused by the urban settlements found in the proximity of estuaries. In the estuary of the Caeté River, the focus of the present study, the nutrient input is ...

    Natural enemies for the conservation biological control of Myzus persicae in Mediterranean peach orchards 

    Aparicio del Moral, Yahana Michelle (Date of defense: 2019-07-23)

    Peach and nectarine tree belongs to the species Prunus persica and is the third most produced fruit species in the world. Within Europe, Spain is a leading producer. Most of the crops are located in Catalonia (northeastern ...

    Natural lighting in Mediterranean climates. Visual comfort in top-lit sports halls: from the Barcelona 1992 Olympics to the Tarragona 2018 Mediterranean Games 

    González Matterson, Maria Leandra (Date of defense: 2021-03-01)

    The role of natural light in the health and wellbeing of users is a central subject to architectural design today. Sustainability and energy efficiency are also leading concerns. Therefore, new and existing buildings must ...

    Negotiation capability : a conceptual model and reference practices 

    Oliveira, Heloísa Maria da Apresentação (Date of defense: 2016-01-29)

    This research studies the topic of negotiation in the business field at a national and international level, and in particular the concept of negotiation capability, understanding that the negotiation processes generally ...

    Neighborly and almost neighborly configurations, and their duals 

    Padrol Sureda, Arnau (Date of defense: 2013-03-12)

    This thesis presents new applications of Gale duality to the study of polytopes with extremal combinatorial properties. It consists in two parts. The first one is devoted to the construction of neighborly polytopes and ...