Milieu
Mostrando 25-36 de 455 artigos, teses e dissertações.
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25. A high corticosterone/DHEA-s ratio in young rats infected with Trypanosoma cruzi is associated with increased susceptibility
We have previously established that young male rats are more susceptible to the effects of Trypanosoma cruzi infection than adult rats. To explore underlying age-associated differences in disease outcome, we simultaneously assessed hormone levels and cytokine release throughout the acute infection period in young and adult rats infected with T. cruzi. Young
Memórias do Instituto Oswaldo Cruz. Publicado em: 2011-06
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26. Estrategias, actores, promesas y temores en las campañas de vacunación antivariolosa en México: del Porfiriato a la Posrevolución (1880-1940)
The article examines some of the strategies employed by the Mexican health authorities that led to the organization of massive and obligatory smallpox vaccination campaigns from the late 1880s to the 1940s, a period of Mexican history that corresponds to the Porfirio Díaz regime (1877-1911), to the armed phase of the Mexican Revolution (1910-1920), and to t
Ciência & Saúde Coletiva. Publicado em: 2011-02
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27. Corpos associados : interatividade e tecnicidade nas paisagens da arte
A presente tese aborda os graus de interatividade presentes na experiência com e na obra de arte. O ato de experienciar na obra de arte nos mostra que qualquer experiência se constitui por relações intensivas entre corpos e meios em processos de interatividade. Constata-se que há diferentes graus de interatividade na experiência, sendo: misturas, atra�
Publicado em: 2011
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28. Síntese, Reatividade e Caracterização Estrutural de Haletos de Telúrio e Ariltelurenila com Estados de Oxidação Incomuns ou Mistos. / Synthesis, Reactivity and Structural Characterization of Tellurium and Aryltellurenyl Halides with Unusual or Mixed Oxidation States.
This work presents a study related to the halogenation of diarylditellurides (RTe)2 in order to obtain tellurium and aryltellurenyl halides with unusual or mixed oxidation states. Although regarded as essentially unstable, the aryltellurenyl monohalides (RTeX) were generated in situ and captured from the reaction milieu in many ways, forming stable adducts o
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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29. Estudo da corrosão do cobre em meios de sulfato e de cloreto com auxílio do microeletrodo com cavidade e de uma microcélula. / Étude de la corrosion du cuivre en milieu sulfate et chlorure au moyen de la microélectrode à cavité et de la microcellule électrochimique.
Le but de ce travail est létude de la corrosion du cuivre pur et du cuivre recouvert dune couche de patine artificielle développée dans une solution de sulfate. Ces études ont été menées dans des solutions contenant des espèces agressives caractéristiques de latmosphère de la ville de São Paulo (Brésil), à savoir les íons chlorure, sulfate et a
Publicado em: 2011
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30. Artistas, imagens e cidade: bricolagens poéticas e históricas de Uberlândia
Depuis toujours, plusieurs artistes darts visuels dUberlândia, produisent des images qui représentent bien quelques espaces urbains de cette ville, ce qui donne la possibilité davoir un regard imagé des lieux parfois déjà disparus du quotidien contemporain de la ville. On propose, dans ce travail, une lecture de quatre images conçues par des artistes
Publicado em: 2011
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31. Proposta de análise empírica da instabilidade potencial do relevo em estudos integrados
O presente estudo possui em seu corpo teórico e prático a proposição, aplicação e avaliação de uma metodologia de análise empírica do relevo, através da perspectiva de estudos integrados do meio, tendo como área de interesse a Unidade Topomorfológica Tabuazeiro, que se encontra inserida no Maciço Central de Vitória, localizado na porção insu
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 11/06/2010
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32. SOB A LENTE DO DISCURSO: aspectos do ensino de retórica e poética no Atheneu Sergipense (1874-1891) / UNDER THE LENS OF SPEECH: aspects of the teaching of rhetoric and poetics in Atheneu SERGIPENSE (1874-1891)
This study investigates the path of Rhetoric and Poetic teaching at Atheneu Sergipense School from 1874 through 1891, respectively, from its very beginning until its official extinction. In order to deal with the main discursive and literary teaching subjects of Sergipe high school of the 19th century, it is adopted documental research based on theoretical c
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 07/04/2010
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33. In vitro initial immune response against Leishmania amazonensis infection is characterized by an increased production of IL-10 and IL-13
The initial encounter of Leishmania with its host's immune system is important in the outcome of infection. Previous studies have shown that PBMCs from healthy volunteers (HV) exposed to Leishmania differ in IFN-γ production. We have expanded such observations evaluating the profile and kinetics of cytokines (IFN-γ, IL-12p70, IL-10, IL-13), chemokines (CCL
Brazilian Journal of Infectious Diseases. Publicado em: 2010-10
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34. Proteoliposomes as matrix vesicles' biomimetics to study the initiation of skeletal mineralization
During the process of endochondral bone formation, chondrocytes and osteoblasts mineralize their extracellular matrix by promoting the formation of hydroxyapatite (HA) seed crystals in the sheltered interior of membrane-limited matrix vesicles (MVs). Ion transporters control the availability of phosphate and calcium needed for HA deposition. The lipidic micr
Brazilian Journal of Medical and Biological Research. Publicado em: 2010-03
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35. Juventude e cidadania na perspectiva da educação popular: contribuição e limites da PJMP na Arquidiocese da Paraíba (1981-2006)
Dans cette recherche, on a eu pour but danalyser le caractère politico-éducatif des activités auxquelles sest appliquée la Pastorale de la jeunesse du milieu populaire (PJMP), du Diocèse de João Pessoa, dans les périphéries urbaines, pendant la période de 1981 à 2006. Là il sagit de saisir lapport de cette Pastorale sociale au processus de constru
Publicado em: 2010
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36. A química atmosférica no Brasil de 1790 a 1853
Atmospheric chemistry in Brazil from 1790 to 1853. Scarcely any mention is made today of investigations carried out in Brazil during the period above on the science of the atmosphere. Yet the study of these cases reveals much about the milieu of a few devoted men who laboured to pursue a scientific career. That such an arcane topic has been the concern of in
Química Nova. Publicado em: 2010