Universitat de Barcelona
Now showing items 2916-2935 of 11042
In the last decades, the development of increasingly sensitive analytical techniques has revealed the presence in the environment of a large number of potentially dangerous compounds for human health and the environment, ...
En politique rien ne semble possible sans références culturelles, sans la mobilisation d’un imaginaire collectif. Avec la déclaration de nombreux Etats de leur caractère multiculturel au cours de la seconde ...
Tumor progression is a complex conundrum of events that involve not only tumor cells, but also their surrounding microenvironment. Accounting to the natural dependency of tumors on angiogenesis, its therapeutic targeting ...
Huntington’s disease (HD) is a neurodegenerative disorder caused by an autosomic mutation on the Huntingtin (HTT) coding gene. HD is mainly characterized by the appearance of motor symptoms or choreas, which are associated ...
Ens trobem en una crisi ecològica entesa en el sentit més ampli. Oîkos com a llar: crisi econòmica, política, alimentària, ambiental, social… La interpretació del planeta en situació de crisi ecològica resulta del ...
In this thesis we present the results of our research on duality theory for non-classical logics under the point of view of Abstract Algebraic Logic (AAL). Firstly, we propose an abstract Spectral-like duality and an ...
La presente tesis doctoral se inscribe en la valoración del pensamiento de Otloh de San Emeramo, siglo XI. Un autor poco estudiado en el entorno de la Filosofía del Medioevo. A nuestro estudio lo hemos dividido en cuatro ...
El objetivo de la presente investigación es verificar la existencia de la entidad duelo anticipado en los cuidadores familiares de personas con deterioro cognitivo e identificar las variables que intervienen en estos ...
La investigación que se propone nace de una experiencia autobiográfica y se ocupa de la creación artística originada en el dolor de la pérdida. Específicamente se trata de indagar en las fuentes culturales más relevantes, ...
[eng] The principal challenge of conserving marine megaherbivores is that they typically range over extensive areas that far exceed the spatial scales of conventional management, transcending protected areas, and often ...
The pathogenic strains of Escherichia coli can be divided into two large groups: those that cause intestinal infections and those that cause extra- intestinal infections. The strains that belong to the first group are ...
Codification of genetic information; regulation of gene expression; transport of nutrients inside cells; immune protection against infectious agents; transduction of external signals... These are some of the crucial processes ...
Our main goal is to study certain aspects of the dynamics of fluids with magnetic particles in suspension, based on their promising practical applications as new materials as welI as on its fundamental scientific interest. In ...
Star formation is a fundamental and still largely unsolved problem of astrophysics and cosmology. Its complexity stems from the complex interaction of turbulence, magnetic fields and gravity, and from the onset of different ...
L’objectiu d’aquesta tesi és afegir una petita fulla a l’arbre del coneixement. En particular a la branca del sistemes dinàmics. La teoria de sistemes dinàmics és la branca de les matemàtiques que estudia l’evolució del ...
This thesis was part of the European consortium MESOBRAIN, a team of 5 organizations that joined efforts in nanofabrication, cell culturing, imaging and data analysis to build tailored human 3D networks. The thesis timing ...
Collapse calderas are defined as the volcanic depression that result from the disruption of the geometry of the magma chamber roof due to down faulting during the course of an eruption. These structures have received ...
Cells, either as unicellular organisms or as part of a tissue of a multicellular organism, can acquire different functions thanks to their capability of changing their expression state. The enzyme synthesis, cell division ...
Helium is the second lightest element and the second most abundant element in the universe. It is named for the Greek god of the sun, Helios, and it was first discovered by French astronomer Jules Janssen as an unknown ...
Spontaneous activity in the cerebral cortex changes in different brain states. During desynchronized brain states (e.g. wakefulness, REM sleep), populations of neurons in the cerebral cortex fire action potentials in a ...
