998 resultados para Valdivia Válor, José


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: José María Arguedas y Mario Vargas Llosa, dos de los escritores más importantes del Perú del siglo XX, representan, a su vez, dos modos divergentes y contrapuestos de entender la realidad del país andino. Este estudio abordará las antagónicas propuestas estéticas y culturales de ambos autores a través del análisis de los principales ejes de la narrativa arguediana y del ensayo La utopía arcaica de Vargas Llosa y las planteará como una proyección de la conflictividad socio-cultural que inauguró la conquista y como un reflejo de las distintas respuestas que originó el movimiento indigenista en el Perú.

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El trabajo de investigación, El motivo de la ceguera en el Ensayo sobre la ceguera de José Saramago e Informe sobre ciegos de Ernesto Sábato, analiza desde el área y la metodología de la literatura comparada el uso del motivo literario de la ceguera en los dos textos mencionados, resaltando las similitudes y diferencias del tratamiento del motivo dentro de las dos obras y como éste sostiene una serie de obsesiones e ideas sobre el estado actual del mundo que comparten los autores de las dos novelas.

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A new species of a very small land snail (Endodontidae) occurring in São José de Itaboraí limestone basin, state of Rio de Janeiro, Brazil, is described in honour of zoologist Hugo de Souza Lopes. Austrodiscus Parodiz, 1957 is registered in the paleontological records, for the first time.

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Between 1986 and 1987 fishes distributed among the following species introduced in Chile, and from different sectors of the Valdivia river basin (39º30' - 40º00', 73º30' - 71º45'W), were examined: 348 Salmo trutta, 242 Salmo gairdneri, 24 Cyprinus carpio and 52 Gambusia affinis holbrooki. The presence of Camallanus corderoi and Contracaecum sp. in S. gairdneri and of C. corderoi in S. trutta is recorded in Chile for the first time. Cyprinus carpio and G. a. holbrooki did not present infections by nematodes. The prevalence and mean intensity of the infections by nematodes presented significant differences among some sectors of the Valdivia river basin. In general, the prevalence and intensity of the infections by C. corderoi were greater than those by Contracaecum sp. The infections in S. gairdneri were higher than in S. trutta. The sex of the hosts had no influence on the prevalence and intensity of the infections by both nematodes. The length of the hosts did have an influence, except in the case of the infections by Contracaecum sp. in S, gairdneri. The infrapopulations of both nematode species showed over dispersion in most cases. The diet of the examined salmonids suggests that they would become infected principally throught the consuption of autochthonous fishes.

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Partiendo de una concepción del teatro como espacio político por excelencia, se analizan las relaciones entre este, el trauma colectivo y la memoria histórica en un contexto de violencia político a partir del estudio de dos montajes de Antígona, de José Watanabe y el Grupo Yuyachkani: su estreno en Lima (2000) y su reposición en Huanta (2001). El análisis del texto en sus contextos originales de recepción permite reflexionar desde nuevas perspectivas sobre un problema relacionado con el conflicto armado interno ocurrido en el Perú entre los años 1980 y 2000: la responsabilidad ética y política de los sobrevivientes

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Twenty-six human respiratory syncytial virus strains (subgroup A) isolated from three outbreaks in Havana City during the period 1994/95, 1995/96 and 1996/97 were analyzed to determine their antigenic and genetic relationships. Analyses were performed by monoclonal antibodies and restriction mapping (N gene) following amplification of the select region of the virus genome by polymerase chain reaction. All isolated strains were classified as subgroup A by monoclonal antibodies and they showed a restriction pattern NP4 that belonged to subgroup A. Thus the results obtained in this work, showed a close relation (100%) between antigenic and genetic characterization of the isolated strains in our laboratory. These methods permit the examination of large numbers of isolates by molecular techniques, simplifying the researchs into the molecular epidemiology of the virus.

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The enzyme-linked immunosorbent assay (Elisa) was used to examine sera of 104 children and adults in Jos, Plateau State, Nigeria for anti-toxocaral antibodies, out of which 31 (29.8%) were reactive. The seropositive rates were 30.4% for adults, 29.6% for children, 34% for females and 25.9% for males. However, the differences were not significant by age and sex. A highly significant association (p < 0.001) was observed between seropositivity and geophagia but none between seropositivity and dog ownership (p > 0.05).

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El papel de la ciudad en el futuro de la humanidad será transcendente, y es que el crecimiento actual de los espacios urbanos tiende, en general, a desbordar el sitio original de las ciudades, abarcando territorios cada vez más extensos y discontinuos. Y por este motivo es de vital importancia el estudio de la ciudad y de su entorno, el cual es sinónimo de ecosistema urbano. En el siguiente estudio se evalúa el ecosistema urbano de San José, capital de Costa Rica, dando énfasis en las zonas verdes presentes, en las relaciones con los ecosistemas naturales circundantes y como mejorar su capacidad ecológica. Por este motivo se ha analizado un proceso de rearborización en el Parque Metropolitano La Sabana, principal nódulo de carga de la trama urbana. Este esfuerzo de naturación dotará al parque de una mayor naturalización, con lo que se espera un aumento de la biodiversidad faunística. Para conocer estos cambios se crea un programa de monitoreo de aves con su respectivo protocolo.

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Information is very scarce on the prevalence of hepatitis-B virus (HBV) infection among blood donors and patients with human immunodeficiency virus (HIV) infection in Nigeria. Hepatitis-B surface antigen (HBsAg) ELISA was used to determined the prevalence of HBsAg among 175 blood donors (aged 20-40 years) and 490 HIV-infected patients (aged 17-60 years) in Jos, Nigeria. Twenty-five (14.3%) of the blood donors and 127 (25.9%) of the HIV-infected individuals were HBsAg seropositive, indicating a higher HBV infection among HIV-infected persons than among healthy blood donors. A slightly higher HBsAg seroprevalence was recorded in the males (14.6%) than females (12.9%) of the blood donors. Among the HIV-infected patients, the males had considerably higher HBsAg seroprevalence than the females (31.8 vs 22.1%) with the highest prevalence of HBsAg occurring in the 51-60 years age group (44%), followed by those of 31-40 years (28.2%). Results confirmed the high endemicity of HBV infection in Jos, Nigeria and the significantly greater prevalence of HBV infection among HIV -infected patients than among blood donors.

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Proceso publicado en la página web de la Consejería de Salud: www.juntadeandalucia.es/salud (Consejería de Salud / Profesionales / Nuestro Compromiso por la Calidad / Procesos Asistenciales Integrados)