460 resultados para Aprendices brasileños


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Professional-patient relationship and its importance for a good performance and success of the dental treatment must be reflected upon by means of their bioethical aspects. Our study aimed at evaluating dentist-surgeons' knowledge (n=163) in conducting specialization courses at São Paulo State University-UNESP, on these aspects. Out of the people surveyed, 88.1% mentioned that a decision for the treatment should be made by mutual agreement between professionals and patients, however, 26.4% report that patients' or their legal representative's participation in decision-making can cause negative interference. Professionals' acting when patients choose a less suitable treatment, 95.6% try to convince patients that it is not the best choice and persuade them for a better one by keeping the paternalistic model. It was noticed that 20.3% did not know how to relate the importance of professional-patient interaction as regards the dental treatment. It was therefore concluded that many dentist-surgeons are not taking these bioethical aspects into account in clinical practice.

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Twelve cases of viral meningoencephalitis in Brazilian cattle were submitted to immunohistochemical analysis for inflammatory response description. All the cases showed severe neurological signs followed by death. Mild to moderate histological inflammatory changes in the brain and cerebellum characterized the neurological infection showing meningitis, mononuclear perivascular cuffing, gliosis, haemorrhage, and macrophages (gitter cells) accompanying great areas of malacia. None of the cases showed intranuclear inclusion bodies. However, in five of them it was possible to isolate the BoHV-5. In order to collect data to allow the description of the inflammatory response in these cases, brain samples from all of the cases were analyzed by immunohistochemistry using polyclonal antibodies against CD3 to detect T cells, and against GFAP to detect astrocytes. On the other hand, monoclonal antibodies were used against BLA to detect B cells and, against MAC 387 to detect macrophages. The results indicate different degrees of prominent astrocytic response, and at the same time, T lymphocytes constituted a high percentage of the mononuclear cells which characterized the inflammatory response.

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Planktonic rotifers and cyclopoid copepods were studied in two reservoirs of different trophic states (eutrophic and oligo/mesoeutrophic) in the south of Brazil. During a year, monthly samplings were carried out in three stations in each reservoir. Species richness, frequency and abundance were used to find out useful and indicatives trends of water quality based on these organisms, reinforced by literature data. Species that showed higher differences between reservoirs were chosen. For Rotifera, richness, frequency and abundance of Brachionus were higher in the eutrophic reservoir, but Plationus patulus occurred only in the oligo/mesotrophic reservoir. For copepods, Tropocyclops prasinus dominated in the eutrophic reservoir, but Thermocyclops decipiens, T. minutus, T. inversus and Microcyclops anceps were dominants in the oligo/mesotrophic reservoir. In the canonical correspondence analysis, these species were indicators of the trophic state and were related with chlorophyll-a, total phytoplankton and total phosphorus. The use of these species can be efficient in the studied regions (subtropical/temperate), but comparing with other Brazilian reservoirs of tropical climate, the results could be different. Despite the dominance of T. decipiens over T. minutus, T. inversus has been widely used in Brazil as an indicator of eutrophic waters; in those cases of excessive eutrophication, other species, more rustic, commonly dominate. In the present study, Thermocyclops was dominant in the oligo/mesotrophic reservoir. The dominance of Brachionus for rotifers and Tropocyclops prasinus and Acanthocyclops robustus for copepods were indicative of eutrophic conditions.

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Este artículo tiene como objetivo observar cómo estudiantes brasileños de licenciatura, más específicamente, estudiantes de lengua española y portuguesa organizan y ponen en práctica la enseñanza del portugués, en el contexto del TELETANDEM. La intención es comprender (a) cómo son planifi cados los contenidos de la enseñanza de Lengua Portuguesa y (b) ¿Cuál es el impacto de esta práctica a la formación de profesores de portugués y español. Lo principios metodológicos que orientan esta pesquisa están anclados en el marco de la investigación cualitativa, en su vertiente narrativa, basado en los estudios de J. Clandinin y Michael Connelly (1996 ). Los datos obtenidos hasta ahora nos muestran que, debido a la proximidad de las lenguas, este contexto de aprendizaje virtual requiere la presencia de un mediador que señala a los aprendices aspectos que deben ser considerados.

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Este trabajo es parte de una investigación todavía en curso y objetiva observar cómo alumnos brasileños de la carrera de Letras - portugués y español - organizan y ponen en práctica la enseñanza del portugués a parejas hispanohablantes, en el contexto Teletandem. Buscamos comprender cómo/si son planificados los contenidos de LP que enseñan y el impacto de las prácticas de Teletandem a la formación de esos profesores de idiomas. Esta investigación es basada en la metodología cualitativa crítica, más específicamente en la visión de Carspecken. Los datos obtenidos hasta ahora muestran que, debido a la proximidad de las lenguas, este contexto de aprendizaje virtual requiere la presencia de un mediador que les señale a los aprendices aspectos lingüísticos y culturales que deben ser considerados.