Search results for "campo"
showing 10 items of 198 documents
"Me llaman el desaparecido" : coexistencia y continuidad entre la desaparición forzada y la desaparición social
2020
En este trabajo analizo una de las formas del desborde contemporáneo de la categoría de "desaparición", por la cual ésta pasa a designar formas de invisibilidad, exclusión y violencia muy diferentes a la que definía su marco originario. En particular, me detengo en el trazado de una relación de continuidad entre las formas de la desaparición forzada originaria -ejemplificada en el caso emblemático de la dictadura militar chilena- y las formas de "desaparición social" en las democracias liberales contemporáneas. A partir de la puesta en relación de conceptos políticos como campo, doctrina del shock o excepción, y del análisis de algunos productos culturales, exploramos la posibilidad de habl…
Entre arcadia y barbarie. Figuras del campo en el cine de los años 30
2010
Los años veinte fueron, en Europa en general y en América, y a su modo en España, momentos de explosión de las urbes. La arquitectura, las artes, el diseño, la fotografía y, por supuesto, el cine participaron de la celebración extática. De Paul Strand y Charles Sheeler a Dziga Vertov, de Walter Ruttmann a Alberto Cavalcanti, de Roben Flaherty a Herman Weinberg, no hubo capital que no tuviera su elogio. En consecuencia, el campo no representó la cresta de ese movimiento por la modernidad: anclado en tipología y mitos arcaicos, encarnación inmóvil de la autenticidad, heroico apenas en algunas manifestaciones, como el esfuerzo que sugerían los llamados Bergfilme alemanes (filmes de montaña), e…
Expresión proteica de p53 y proliferación celular en leucoplasias orales
2005
Objetivos: Conocer la expresión proteica de las alteraciones genéticas que se producen en las etapas precoces de la cancerización del campo de cavidad oral en nuestro medio. Estudiar la proliferación celular mediante Ki-67 y la expresión de la proteína p53 para valorar si las alteraciones en la expresión proteica de estos marcadores suceden de forma secuencial a través de las distintas etapas en la cancerización del campo de la cavidad oral. Material y métodos: Se realizó un estudio mediante técnicas de inmunohistoquímica sobre 53 pacientes que presentaron lesiones de leucoplasia oral, atendidos por el Servicio de O.R.L del Hospital Universitario de Salamanca, desde 1.990 hasta 2000. Se inc…
Data from: Not only for egg yolk - functional and evolutionary insights from expression, selection and structural analyses of Formica ant vitellogeni…
2015
Vitellogenin, a storage protein, has been extensively studied for its egg-yolk precursor role, and it has been suggested to be fundamentally involved in caste differences in social insects. More than one vitellogenin copy has been reported in several oviparous species, including ants. However, the number and function of different vitellogenins, their phylogenetic relatedness and their role in reproductive queens and non-reproductive workers has been studied in few species only. We studied caste biased expression of vitellogenins in seven Formica ant species. Only one copy of conventional vitellogenin was identified in Formica species, and three vitellogenin homologues, derived from ancient …
Haroldo Quinteros: la forma-Diario y los tiempos del testimonio
2008
El artículo analiza Diario de un preso político chileno, de Haroldo Quinteros, y su modo de encarar la experiencia vivida en diferentes prisiones y campos de concentración. Especialmente, la relación entre la estructura discursiva del “Diario” y la doble y conflictiva temporalidad que atraviesa su escritura.
Literature of the Americas in the making: U.S. writers and translation in Sur, 1931-1944
2013
This essay engages history of translation by examining one of its most important contributors: Sur, a literary journal that Victoria Ocampo ran for 45 years and 340 issues. The most celebrated Latin American writers of the 1960s ‘Boom’ unanimously recognized that their key literary influences were those that they had first read in translation in Sur. Specifically, the essay focuses on the translations of North American literature in Sur’s early years: E. Hemingway, M. Twain, L. Hughes, K. A. Porter, E. A. Poe, H. Melville, e. e. cummings, W. Whitman, H. James, and most prominently, W. Faulkner, are translated by J. L. Borges, E. Pezzoni, J. Bianco, R. Baeza, BioyCasares, and M. Acosta. Whil…
A moderate diet restriction during pregnancy alters the levels of endocannabinoids and endocannabinoid-related lipids in the hypothalamus, hippocampu…
2017
Existe para su consulta material suplementario aportado por el editor. Undernutrition during pregnancy has been associated to increased vulnerability to develop metabolic and behavior alterations later in life. The endocannabinoid system might play an important role in these processes. Therefore, we investigated the effects of a moderate maternal calorie-restricted diet on the levels of the endocannabinoid 2-arachidonoyl glycerol (2-AG), arachidonic acid (AA) and the N-acylethanolamines (NAEs) anandamide (AEA), oleoylethanolamide (OEA) and palmitoylethanolamide (PEA) in the brain of newborn rat offspring. We focused on brain structures involved in metabolism, feeding behavior, as well as em…
Personal exposure to radio-frequency electromagnetic fields in Europe: Is there a generation gap?
2018
Background: Exposure to radiofrequency electromagnetic fields (RF-EMF) from mobile communication technologies is changing rapidly. To characterize sources and associated variability, we studied the differences and correlations in exposure patterns between children aged 8 to 18 and their parents, over the course of the day, by age, by activity pattern, and for different metrics of exposure. Methods: Using portable RF-EMF measurement devices, we collected simultaneous real-time personal measurements of RF-EMF over 24 to 72 h in 294 parent-child pairs from Denmark, the Netherlands, Slovenia, Switzerland, and Spain. The devices measured the power flux density (mW/m(2)) in 16 different frequency…
Nitric oxide synthase 2 (NOS2) expression in histologically normal margins of oral squamous cell carcinoma
2014
The activity of Nitric Oxide Synthase 2 (NOS2) was found in oral squamous cell carcinomas (OSCC) but not in normal mucosa. Molecular changes associated to early carcinogenesis have been found in mucosa near carcinomas, which is considered a model to study field cancerization. The aim of the present study is to analyze NOS2 expression at the histologically normal margins of OSCC. Study Design: Eleven biopsy specimens of OSCC containing histologically normal margins (HNM) were analyzed. Ten biopsies of normal oral mucosa were used as controls. The activity of NOS2 was determined by immunohistochemistry. Salivary nitrate and nitrite as well as tobacco and alcohol consumption were also analyzed…
La metodologia della ricerca in didattica
2021
Il testo descrive le tipologie di ricerca in campo didattico; segnala le aree più rappresentate nel panorama italiano degli ultimi anni e gli ambiti ritenuti prioritari per i prossimi anni; indica una metodologia capace di migliorare la pratica educativa già durante lo svolgimento delle azioni di ricerca; fornisce dei suggerimenti per assicurare la qualità delle ricerche di Didattica indipendentemente dal metodo di indagine adoperato. Le argomentazioni svolte sono animate dalla profonda convinzione che non sia possibile fare ricerca in Didattica senza la collaborazione e il confronto dei ricercatori universitari con gli insegnanti e con gli educatori in generale. The text describes the type…