3,456 research outputs found
Ejercicio físico, estrés oxidativo y envejecimiento: Análisis de los niveles de malondialdehido y glutatión reductasa en corredores de la Ultra Penyagolosa 2019 desde una perspectiva de género y salud.
No full textTreball Final de Grau en Medicina. Codi: MD1158. Curs acadèmic: 2019/2020El término ultratrail engloba a toda carrera que supera la distancia estándar de una
maratón y que se realiza en alta montaña. Tiene importantes consecuencias a nivel
fisiopatológico dado que, entre otros, el deporte extremo es un importante inductor de
daño oxidativo.
Objetivos: El objetivo principal de este trabajo ha sido estudiar si la realización de un
ejercicio extenuante como la UltraTrail Penyagolosa de 2019 afecta al estado oxidativo
del plasma de los corredores así como observar si la edad y el género de los
participantes afecta a dicho estado oxidativo.
Métodos: Para valorar el estado oxidativo se analizó un marcador de daño oxidativo,
así como un antioxidante en el plasma de 32 participantes. Se tomó como marcador
de daño oxidativo el malondialdehido (MDA) al ser el principal producto de la
peroxidación lipídica. Como factor antioxidante se escogió la glutatión reductasa
(GSH-Rx) dada su implicación en el sistema glutatión, el principal sistema antioxidante
intracelular. Las muestras fueron tomadas el día previo a la carrera, en la línea de
meta, a las 24 horas y a las 48 horas post carrera.
Resultados y conclusión: Los resultados obtenidos han demostrado que la UltraTrail
Penyagolosa es un inductor de daño oxidativo al aumentar los niveles de MDA a lo
largo de la carrera. No existen diferencias significativas entre los niveles de GSH-Rx y
MDA teniendo en cuenta el género de los participantes. En cuanto a la edad, si que
existen diferencias significativas (p<0.05) en los niveles de MDA de la población de
más edad respecto a la más joven.The term ultratrail encompasses any race that exceeds the standard distance of a
marathon and is run in the high mountains. It has important consequences on a
physiopathological level since, among others, extreme sport is an important inducer of
oxidative damage.
Objectives: The main objective of this work has been to study if the performance of a
strenuous exercise like the UltraTrail Penyagolosa of 2019 affects the oxidative state of
the runners' plasma as well as to observe if the age and gender of the participants
affect this oxidative state.
Methods: A marker of oxidative damage and an antioxidant were analyzed in the
plasma of 32 participants to assess the oxidative state. Malondialdehyde (MDA) was
taken as a marker of oxidative damage because it is the main product of lipid
peroxidation. Glutathione reductase (GSH-Rx) was chosen as an antioxidant factor
because of its involvement in the glutathione system, the main intracellular antioxidant
system. The samples were taken the day before the race, at the finish line, at 24 hours
and 48 hours after the race.
Results and conclusion: The results obtained have shown that the UltraTrail
Penyagolosa is an inducer of oxidative damage by increasing MDA levels throughout
the race. There are no significant differences between the levels of GSH-Rx and MDA
taking into account the gender of the participants. In terms of age, there are significant
differences (p<0.05) in the MDA levels of the older population with respect to the
younger population
Competitiveness and Growth of the Mexican Economy.
Full text linkWe address the role that deep, structural factors may have as determinants of Mexico’s economic growth. We argue that Mexico’s poor growth performance appears to be associated not only with shorter-run events such as the "lost decade" of the eighties, but also with supply-side features of the economy that have been present for at least four decades. Mexico’s low competitiveness and poor growth potential seem to reflect an institutional framework that tends to support rigid, non-competitive market structures, and incentives that promote the allocation of resources towards unproductive rent-seeking activities relatively more than into investment, production, productivity, and adoption of superior technologies. We present examples of input markets where we believe these issues are central. We conclude that solving this situation requires microeconomic policies that lead to fundamental changes in the incentive structure of the economy.Competitiveness and growth, productivity, efficiency, comparative advantage.
Acumulação flexível e contrato temporário de trabalho
Full text linkDissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Jurídicas
Intraplate Late Jurassic deformation and exhumation in western central Argentina: Constraints from surface data and U–Pb detrital zircon ages
Full text linkFil: Naipauer, Maximiliano. Universidad de Buenos Aires. FCEN. Departamento de Ciencias Geológicas. Instituto de Estudios Andinos “Don Pablo Groeber”. Buenos Aires, Argentina.Fil: García Morabito, Ezequiel. Universidad de Buenos Aires. FCEN. Departamento de Ciencias Geológicas. Instituto de Estudios Andinos “Don Pablo Groeber”. Buenos Aires, Argentina.Fil: Marques, Juliana C. Universidade Federal do Rio Grande do Sul. Laboratorio de Geología Isotópica; Brasil.Fil: Tunik, Maisa A. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina.Fil: Rojas Vera, Emilio A. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina.Fil: Vujovich, Graciela I. Universidad de Buenos Aires. FCEN. Departamento de Ciencias Geológicas. Instituto de Estudios Andinos “Don Pablo Groeber”. Buenos Aires, Argentina.Fil: Pimentel, Marcio P. Universidade Federal do Rio Grande do Sul. Laboratorio de Geología Isotópica; Brasil.Fil: Ramos, Victor A. Universidad de Buenos Aires. FCEN. Departamento de Ciencias Geológicas. Instituto de Estudios Andinos “Don Pablo Groeber”. Buenos Aires, Argentina.Fil: García Morabito, Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina.Fil: Vujovich, Graciela I. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina.Fil: Ramos, Victor A. Consejo Nacional de Investigaciones Científicas y Técnicas. Buenos Aires, Argentina.Fil: Tunik, Maisa A. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina.Intraplate deformation has been described in several tectonic settings and recently in western central Argentina it has been proposed to explain the complex structural patterns developed between Early Jurassic and Cretaceous times along the Huincul deformation zone. We integrate new field data and detrital zircon ages of the exposed portion of the Huincul High that permit us to quantify the significance of this intraplate deformation in the relief generation. A stratigraphic and structural record of a Jurassic pulsed contractional deformation is derived from field surveys. It is documented through multiple unconformities and growth
geometries linked to NE and E–W oriented growth structures extensively developed across the studied region. The pattern of zircon ages from the analyzed Late Jurassic successions indicates that they have a clear provenance from sources located along the Huincul deformation zone. The Tordillo Formation outcrops
north of the Huincul High have a dominant provenance from the Andean Jurassic arc; while the Quebrada
del Sapo Formation, south of the Huincul High, has a significant input from Late Triassic (220–200 Ma) and
Late Permian (280–260 Ma) sources of the axial exposures of the Huincul High. Surface data, combined
with detrital zircon ages proved to be a powerful method to confirm the presence of an ancient positive element developed within the southern Neuquén basin. Its genesis falls within the early history of the Huincul
deformation zone, where several structural features indicate pulses of growth since Early Jurassic times prior
to the main Andean contractional cycle that started in the Late Cretaceous. Therefore, these data document
for the first time the importance of the early contractional phases in the relief construction in the southern
Central Andes, reinforcing previous hypotheses about pre-Andean intraplate deformation concentrated
along this extensive east–west oriented basement weakness zone
Cash flow is cash and is a fact. Net income is just an opinion
Full text linkA company's profit after tax (or net income) is quite an arbitrary figure, obtained after assuming certain accounting hypotheses regarding expenses and revenues. On the other hand, its cash flow is an objective measure, a single figure that is not subject to any personal criterion. In general, to study a company's situation, it is more useful to operate with the cash flow (equity cash flow, free cash flow or capital cash flow) as it is a single figure, while the net income is one of several that can be obtained, depending on the criteria applied. Profit after tax (PAT) is equal to the equity cash flow when the company is not growing, buys fixed assets for an amount identical to depreciation, keeps debt constant, and only writes off or sells fully depreciated assets. Profit after tax (PAT) is also equal to the equity cash flow when the company collects in cash, pays in cash, holds no stock (this company's working capital requirements are zero), and buys fixed assets for an amount identical to depreciation. When making projections, the dividends and other forecast payments to shareholders must be exactly equal to expected equity cash flows.Cash flow; Net income; Equity cash flow; Free cash flow; Capital cash flow;
Artefatos do corpo: os desejos de produzir corpos perfeitos em Itajaí na década de 20
Full text linkDissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciências HumanasDurante a década de 1920 em Itajaí há uma necessidade em constituir corpos saudáveis por iniciativa de políticos sintonizados com as discussões políticas e intelectuais que se faziam acerca da nação. Desencadeando na cidade um investimento na formação intelectual através da leitura e no cultivo do físico por meio de práticas esportivas como elemento regenerador do corpo. Demonstram um dialogo entre Itajaí e os centros de produção intelectual e política do país. Observando os investimentos sobre a normatização dos espaços urbanos na virada do século XIX para o XX, e, como esse processo vai articulando-se a um discurso sobre o corpo onde cidade, leitura e esporte se inscrevem na textualidade do urbano e nos corpos na década de 2
Cyclical ruins: A videopoem on sun and sand tourism spaces in the low season
No full textThis is an Accepted Manuscript of a book chapter published by Routledge in Ambiance, Tourism and the Cityon on 2023, available online: https://www.routledge.com/Ambiance-Tourism-and-the-City/Sanchez-Fuarros-Paiva-Calvo/p/book/9781032074979Attracted by low-cost “sun and sand” destinations, an increasing number of tourists visit the Spanish Mediterranean regions every summer; however, when the high season ends, thousands of hotels, restaurants, leisure resorts, and residential complexes remain empty, merely awaiting the next year. Considering that a ruin is an abandoned place where there was once an activity, this chapter argues that such a state of temporal desertion allows us to regard these stand-by architectures as “cyclical ruins”, representing a critical metaphor of the country’s tourism model at present. In December 2019, I conducted a three-day road trip to explore the main “sun and sand” tourism destinations in Southern Spain. Through my de-contextualized presence, I felt eeriness and a sense of the uncanny, which resulted in precisely the opposite impressions to what these spaces are originally conceived for. Deploying the notions of “liminality” and “spectral ethnography”, and having elaborated an eight-minute length videopoem, the aim of this chapter is to highlight the emotional duality triggered by modern ruins’ urban ambiances, where criticism towards the aggressive shaping of the seafront landscape coexists with aesthetical fascination.This work has been originally funded through a Postdoctoral Research Fellowship granted by the Urban Studies Foundation. The writing’s final materialisation unfolded whilst the author was granted a ‘Juan de la Cierva-Incorporación’ Postdoctoral position; this contract is part of the fellowship IJC2020-042599-I, funded by MCIN/AEI/10.13039/501100011033, and by the European Union
“NextGenerationEU/PRTR”.Peer reviewe
EXTENSIÓN Y GESTIÓN UNIVERSITARIA: UN ESTUDIO DEL PROYECTO CHIQUITOS EN LA CHIQUITANIA BOLIVIANA
Full text linkEste artículo tiene como objetivo contextualizar el Proyecto Chiquitos en la Chiquitania Boliviana sobre la óptica de la Extensión y Gestión Universitaria. Este proyecto es propuesto por la Universidad Técnica Particular de Loja (Ecuador) y de la Universidad Católica Boliviana “San Pablo” en Chiquitos (Bolivia) objetivan a través de ambientes tecnológicamente apropiados para difundir la investigación e impulsar el desenvolvimiento de una región remota y socialmente carente. Por medio de una revisión sistemática de literatura, se pretende identificar las publicaciones existentes sobre el tena “Extensión y Gestión Universitaria” que sean convergentes con el tema central. Para seleccionar los artículos se utilizó la base de datos Scopus, que después de la lectura de los resúmenes de los diez artigos seleccionados, se realizó una selección en cuanto a la adherencia a la pregunta de investigación, siendo identificados 4 artículos que componen la muestra del presente estudio. Después de analizar los artigos, se puede afirmar que hay convergencia entre el Proyecto Chiquitos y los informes de la literatura sobre el papel de la universidad desde la óptica de la responsabilidad social y compromiso con una educación de cualidad centrada también a atender las necesidades y desafíos de la sociedad
La colección pictórica del canónigo don Pablo Recio y Tello (Yunquera de Henares 1765 - Madrid 1815)
Full text linkSe presenta la colección pictórica del canónigo y capellán real don Pablo Recio y Tello mediante la publicación del inventario completo de la misma, que comprende 464 pinturas. Asimismo, se traza un breve perfil biográfico de este personaje que intervino en diversas empresas artísticas, tales como el traslado a la Academia de las pinturas incautadas por los franceses y almacenadas en diversos depósitos o la elaboración de un proyecto de museo en el palacio de Buenavista. El inventario nos revela a un coleccionista muy activo y a un experto en pintura española antigua.The author introduces the picture collection of the canon and royal chaplain, Pablo Recio y Tello, through the publication of the complete inventory of his collection, which includes 464 paintings. A brief biography of this collector is also outlined: he took part in different artistic enterprises, such as the transfer to the Academy of the pictures confiscated by the Frenchmen and stored in various warehouses, or the planning of a museum in the Buenavista Palace. The inventory discloses a very active collector who was also an expert in Ancient Spanish Painting
Pequeñas inflexiones: construir un discurso artístico sobre violencia de género en educación secundaria
Full text linkThis project addressed gender-based violence and developed a critical education in adolescent students through an artistic action. The entire project was based in the concept of adiaphoron, coined by Bauman and Donskis (2013). This concept refers to the passivity of the subject in front of the suffering of other persons. The results of the project are conceptualised through research in art paradigm (Frayling, 1993) and according to the sociology of the gender-based violence. The analysis reveals that despite the youth of the students they developed an informed vision of gender-based violence, enabling consciousness about this reality both in them and in the public of the performance.El proyecto que se describe trata sobre violencia de género y desarrolló una educación crítica en alumnos adolescentes a través de la acción artística. El proyecto tomó como base el concepto de adiaphoron de Bauman y Donskis (2013), entendido este como la pasividad del sujeto frente al sufrimiento de los demás. Los resultados del proyecto son conceptualizados empleando un modelo de investigación “dentro del arte” (Frayling, 1993) y teniendo en cuenta la sociología de la violencia de género. En este análisis se comprueba que los alumnos, a pesar de su juventud, desarrollaron una visión madura de la problemática, posibilitando una toma de conciencia –tanto en ellos como en el público– de la realidad tratada
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