Alternativas energéticas ante el impacto social causado por la degradación medioambiental

17th Conference of the International Association for People-Environment Studies, febrero 2002, A Coruñ

El patrimonio cultural inmaterial musical latinoamericano en su dimensión pedagógico-política

Partiendo de la definición de patrimonio cultural inmaterial que propone la Convención para la Salvaguardia del Patrimonio Cultural Inmaterial, estatuida por la UNESCO en 2003, se incluye a las músicas populares dentro de tal definición. En tal sentido, y también siguiendo a la Convención, se entiende que la salvaguardia de tal patrimonio está directamente relacionada con medidas encaminadas a garantizar la viabilidad del patrimonio cultural inmaterial, a través básicamente, de la enseñanza formal y no formal. Esto nos lleva a preguntarnos sobre los modos de enseñanza de la música en nuestro país, llegando a la conclusión de que en general, hasta mediados de la década de 1990 la música enseñada se encuentra dentro de una matriz centroeuropea de la “escuela francesa”, y que es recién desde 1994 cuando comienzan a gestarse carreras universitarias de música popular, siendo la Tecnicatura de Producción Musical de la UNSL la primera carrera universitaria en Argentina con tal característica. El trabajo pretende mostrar cómo las instituciones de enseñanza formal de la música en nuestro país han jugado un papel importante en esta negación e invisibilización del patrimonio musical o música popular, a favor del Canon Musical Centroeuropeo. Finalmente se constata que la enseñanza formal de las músicas populares latinoamericanas está cobrando un papel cada vez más importante en los últimos años, con la creciente inclusión de estas músicas en las currículas escolares, terciarias y universitarias

Análisis de Medidas de Ahorro Energético (MAES), aplicables a un edificio universitario de bajo consumo energético

El TFG aborda el estudio de la doble piel del Edificio Lucía, referente en sostenibilidad, buscando fomentar el ahorro mediante Medidas de Ahorro Energético (MAEs). En este sentido, se propone la circulación de aire a través de la doble piel para calentar aire y utilizarlo para calefactar el edificio. En el estudio se abordan desde la concepción de un modelo hasta la evaluación de los ahorros energéticos, pasando por la medida de datos experimentales así como la validación de datos teóricos comparándolos con resultados empíricos. Las conclusiones son que si bien existen ahorros energéticos, su cantidad es tan pequeña que no merecería la pena invertir en equipos para cantidades tan bajas. La medida propuesta solo podría ser utilizada en caso de que se combinara con otras MAEs.Departamento de Ingeniería Energética y FluidomecánicaGrado en Ingeniería Mecánic

The essential role of water molecules in the reaction mechanism of protein O-Fucosyltransferase 2

Protein O-fucosyltransferase 2 (PoFUT2) is an inverting glycosyltransferase (GT) that fucosylates thrombospondin repeats (TSRs) from group 1 and 2. PoFUT2 recognizes a large and diverse number of TSRs through a dynamic network of water-mediated interactions. By X-ray structural studies of C. elegans PoFUT2 complexed to a TSR of group 2, we demonstrate that this GT recognizes similarly the 3D structure of TSRs from both groups 1 and 2. Its active site is highly exposed to the solvent, suggesting that water molecules might also play an essential role in the fucosylation mechanism. We applied QM/MM methods using human PoFUT2 as a model, and found that HsPoFUT2 follows a classical S(N)2 reaction mechanism in which water molecules contribute to a great extent in facilitating the release of the leaving pyrophosphate unit, causing the H transfer from the acceptor nucleophile (Thr/Ser) to the catalytic base, which is the last event in the reaction. This demonstrates the importance of water molecules not only in recognition of the ligands but also in catalysis

Bioética y Derechos Humanos en el Sur Global

In this paper, we analyze the origin of the links between global bioethics (which we differentiate from biomedical bioethics) and human rights. We understand that we are in a global civilizational crisis, whose roots extend to 1492 today, in which the modern-capitalist model used the discourse of human rights to justify its predatory technocracy. There are three theoretical assumptions that support our analysis: 1) The current conditions in which the technique shows its destructive power over nature (Anthropocene) indicate that none of the ethical antecedents are applicable to such circumstances. In this new context, the kantian categorical imperative has been reconverted into a moral and political duty to not instrumentalize either human beings or nature. We call this new ethical consideration bioethics. 2) The current geopolitical composition of the world must be thought in terms of the global North and the global South, as two regions that are forged in the midst of important processes of globalization of the world-system, and whose main consequence lies in the absence of equity in the distribution of wealth and well-being between the two. 3) The current environmental crisis or climate change, the product of an economic model based on extractive technology, has become one of the most serious threats against human rights

Two-temperature model of the coronal irradiated pellets

A two electron-temperature, quasi-steady model of the corona of a laser-ablated pellet is considered. Ablation pressure, critical radius and mass flow rate are determined. Results are close to those obtained with heat flux saturation well below the free-streaming limit

Análisis de las relaciones entre los criterios del modelo de excelencia del EFQM en un caso práctico del sector transporte mediante modelos de ecuaciones estructurales

El trabajo analiza los datos obtenidos en encuestas relacionadas con la implantación de un sistema de calidad en una empresa del sector del transporte para así obtener las relaciones existentes entre los diferentes criterios del modelo europeo de calidad (EFQM). Estas relaciones se evalúan para constatar si la implantación del modelo ha sido exitosa o es necesaria hacer una revisión del mismo en base a los resultados obtenidos

SLUČAJEVI AFAZIJE U JEDNOM MEDICINSKOM DJELU IZ XVI. STOLJEĆA

The purpose of this paper is to bring to the attention of the international community the role in the history of aphasiology of the eminent Renaissance figure, the Extremaduran Francisco Arceo de Fregenal. To present the subject, after a brief biography of this surgeon, we will trace the development of the concept of aphasia up to the 16th century. In some ancient cultures we find that this disorder was described as a “cerebral accident”, to be presented subsequently in the Middle Ages as a divine punishment, only for the original idea to be taken up again during the Renaissance. This return to the concept of the early civilisations was not to lead to the formal classification of this condition however, until the studies of Broca and Wernicke were published in the 19th century. The contribution of Arceo lies in the description of clinical cases included in his book De Recta cvrandorum, which are presented in their original written version in Latin accompanied by a translation in English. The first of these cases tells of spontaneous recovery from the disease, and the second of the evolution of a patient with aphasia secondary to traumatic brain injury following surgery. Despite the great value of Arceo’s report, the historical context and his professional attitude did not allow for a localisationist interpretation of the concept of aphasia.Cilj je ovog rada skrenuti pažnju međunarodne publike na ulogu eminentnog renesansnog čovjeka, Extremadurana Francisca Arcea de Fregenala, u povijesti afaziologije. Da bi predstavili temu, nakon kratke biografije ovog kirurga, ocrtati ćemo razvoj koncepta afazije sve do 16. stoljeća. U nekim starim kulturama otkrivamo da je ovaj poremećaj opisan kao «cerebralni udes», da bi kasnije u srednjem vijeku bio predstavljen kao božanska kazna, da bi naposljetku kao izvorna ideja opet bila razmatrana tijekom renesanse. Međutim ovaj povratak konceptu ranijih civilizacija nije doveo do formalne klasifikacije ovog stanja, sve dok u XIX. stoljeću nisu objavljene studije Broce i Wernicka. Arceov doprinos leži u opisu kliničkih slučajeva uključenih u njegovoj knjizi De recta cvrandorum, koji su predstavljeni u svojoj izvornoj verziji pisanoj na latinskom jeziku praćenom prijevodom na engleski jezik. Prvi od tih slučajeva govori o spontanom oporavku od bolesti, a drugi o razvoju pacijenta sa afazijom dobivenom uslijed traumatske ozljede mozga nakon operacije. Unatoč velikoj vrijednosti Arceova izvješća, povijesni kontekst i njegov profesionalni stav nisu omogućili alokalizacijsko tumačenja pojma afazije