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showing 10 items of 868 documents
Existence de points fixes enlacés à une orbite périodique d'un homéomorphisme du plan
1992
Let f be an orientation-preserving homeomorphism of the plane such that f-Id is contracting. Under these hypotheses, we establish the existence, for every periodic orbit, of a fixed point which has nonzero linking number with this periodic orbit.
PINK1: a critical protein kinase in the molecular mechanisms involved in Cancer and Parkinson's disease
2012
El cáncer y la enfermedad de Parkinson (PD) son dos enfermedades en las que el mecanismo pato- fisiológico final no está completamente definido. Datos epidemiológicos indican que los pacientes con PD poseen bajo riesgo de cáncer, con la excepción de melanoma maligno y cánceres de piel, tiroides y mama, lo que sugiere una conexión funcional entre PD y cáncer. Apoyando esta conexión, la desregulación de la homeostasis mitocondrial es una característica importante en la patogénesis de ambas enfermedades. Recientemente, varios genes asociados a PD, tales como Parkin, LRRK2, DJ-1, y PINK1, han sido propuestos como moduladores de procesos cancerígenos. Mutaciones en el gen de PINK1 están asociada…
Determinación de la edad de un extranjero indocumentado : A propósito de la sentencia de la audiencia provincial de barcelona, de 24 de enero de 2020
2021
In recent years, immigration of minors has increased, which means that administrations establish a differentiated treatment for this sector of immigration due to the fact that they are minors; There are many aspects to take into account in these cases, including verifying the minority age, a fact that is more complicated when it comes to adolescents. This is what is analyzed by the Judgment of the Provincial Court of Barcelona, of January 24, 2020, which confirms the Resolution of the General Directorate of Attention to Children and Adolescents, which agreed to the closure of the homelessness file and the admission of the plaintiff in a Protection Center until the verification of their pers…
Family home rights in divorce
2021
El ensayo ofrece un ?mapa? de los intereses en conflicto en la asignación de la vivienda familiar después de la separación o el divorcio y sus reglas de gobierno. La revisión crítica de la doctrina judicial, que considera la preservación del ?hábitat? doméstico como criterio exclusivo, lleva al autor a redefinir el fundamento axiológico de la legislación vigente, para proponer una interpretación diferente capaz de optimizar la promoción del interés superior del menor, sin afectar los intereses en competencia de una manera irracional y desproporcionada.
Bases psicobiológicas de la adicción a cocaína
2006
El principal mecanismo de acción de la cocaína es la inhibición de la recaptación de dopamina y noradrenalina, produciendo un aumento de estos neurotransmisores en la sinapsis. El consumo agudo de cocaína produce una serie de cambios bastante conocidos en el sistema cerebral de recompensa. Sin embargo, el consumo crónico, produce, además, otra serie de cambios a nivel molecular que llevan al sujeto desde una situación de consumo puntual, a una situación de dependencia. Se han propuesto diferentes teorías explicativas de este fenómeno como la sensibilización del incentivo, o la homeostasis y alostasis neuroquímica, planteamientos basados en el condicionamiento clásico y operante. Por otra pa…
"What a perverse crew we are" : queer-teoreettinen luenta Michael Cunninghamin romaanista A home at the end of the world
2007
The pedagogical development of an international teacher in the cultural context of Finnish CLIL home economics
2016
This thesis draws on content and language integrated learning (CLIL) as a methodological innovation in language education. In order to become competent CLIL teachers in 21st century, however, teachers should not merely have expertise knowledge in their own teaching fields but take pedagogical tact into consideration. The aim of this qualitative action research is to understand: (1) How an international teacher from Taiwan utilized the theoretical framework of CLIL 4Cs and (2) How 4Cs were used as a support to develop pedagogical tact in CLIL home economics classes in a Finnish lower secondary school. The action research approach and process were conducted in two cycles that included plannin…
The importance of moral sensitivity when including persons with dementia in qualitative research
2012
Author's version of an article in the journal: Nursing Ethics. Also avaliable from the publisher at: httjp://dx.doi.org/10.1177/0969733012455564 The aim of the article is to show the importance of moral sensitivity when including persons with dementia in research. The article presents and discusses ethical challenges encountered when a total of fifteen persons with dementia from two nursing homes and seven proxies were included in a qualitative study. The examples show that ethical challenges may be unpredictable. As researcher you participate with the informants in their daily life and in the interview situation, and it is not possible to plan all that may happen. A procedural proposal to …
Chicken adaptive response to low energy diet: main role of the hypothalamic lipid metabolism revealed by a phenotypic and multi-tissue transcriptomic…
2019
AbstractBackgroundProduction conditions of layer chicken can vary in terms of temperature or diet energy content compared to the controlled environment where pure-bred selection is undertaken. The aim of this study was to better understand the long-term effects of a 15%-energy depleted diet on egg-production, energy homeostasis and metabolism via a multi-tissue transcriptomic analysis. Study was designed to compare effects of the nutritional intervention in two layer chicken lines divergently selected for residual feed intake.ResultsChicken adapted to the diet in terms of production by significantly increasing their feed intake and decreasing their body weight and body fat composition, whil…
Factors psicosocials rellevants en la violència de preadolescents i adolescents escolaritzats
2010
A pesar de la considerable evidència acumulada sobre els efectes de la violència en els mitjans, encara hi ha controvèrsia sobre el tema. La comunitat científica debat la influència de la TV i els videojocs en el comportament dels subjectes (vid. Kids, TV viewing, andaggressivebehavior, Science (Letters) 297, 49-50, 2002). Aquells que s'oposen al fet que la TV i els videojocs tenen influència sobre el comportament agressiu, defensen que la causalitat no es pot establir tan fàcilment, ja que als individus violents els agradarà més veure actes agressius en TV i que estiguen presents en els videojocs. En l'actual estudi realitzat amb escolars preadolescents i adolescents 'amb una grandària de …