842 resultados para Crespí de Borja, Luis , (C.O.), 1607-1663


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Sign. : []4, (2)*-(4)****4, [calderón]-5[calderon]4, A-Z4, Aa-Zz4, Aaa-Zzz4, Aaaa-Bbbb4, [calderón]4, a-b4

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Texto en latín y español

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Mode of access: Internet.

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Mode of access: Internet.

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In a recent study, we demonstrated the immunogenic properties of a new malaria vaccine polypeptide based on a 19 kDa C-terminal fragment of the merozoite surface protein-1 (MSP1(19)) from Plasmodium vivax and an innate immunity agonist, the Salmonella enterica serovar Typhimurium flagellin (FliC). Herein, we tested whether the same strategy, based on the MSP1(19) component of the deadly malaria parasite Plasmodium falciparum, could also generate a fusion polypeptide with enhanced immunogenicity. The His(6)FliC-MSP1(19) fusion protein was expressed from a recombinant Escherichia coil and showed preserved in vitro TLR5-binding activity. In contrast to animals injected with His(6)MSP1(19), mice subcutaneously immunised with the recombinant His6FliC-MSP1(19) developed strong MSP1(19)-specific systemic antibody responses with a prevailing IgG1 subclass. Incorporation of other adjuvants, such as CpG ODN 1826, complete and incomplete Freund`s adjuvants or Quil-A, improved the IgG responses after the second, but not the third, immunising dose. It also resulted in a more balanced IgG subclass response, as evaluated by the IgG1/IgG2c ratio, and higher cell-mediated immune response, as determined by the detection of antigen-specific interferon-gamma secretion by immune spleen cells. MSP(19)-specific antibodies recognised not only the recombinant protein, but also the native protein expressed on the surface of P. falciparum parasites. Finally, sera from rabbits immunised with the fusion protein alone inhibited the in vitro growth of three different P. falciparum strains. In summary, these results extend our previous observations and further demonstrate that fusion of the innate immunity agonist FliC to Plasmodium antigens is a promising alternative to improve their immunogenicity. (c) 2010 Elsevier Ltd. All rights reserved.

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We come together as editors to prepare an introduction to this international volume at a time of economic turbulence, new uncertainties about the future, and a growing demand on the part of most governments for further alignment of education with the economy. Literacy, in particular, is in the vanguard, for literacy only too frequently is positioned as a proxy for education. What are the purposes of literacy teaching and how is it to be achieved? What counts as literacy in ‘new times,’ in ‘participatory culture’ where people ‘believe their contributions matter, and feel some degree of social connection with one another’ (Abrams and Merchant, Chapter 23)? How can everyone be included as critical citizens of the world in whatever definition of literacy we endorse? What fresh perspectives, new ways of thinking, and good ideas for the understanding of literacy are out there? What are the possibilities for the future? An exploration of these kinds of questions and their answers, however tentative, provides us, we believe, with our best defense against the uncertainties of our age. In some respects this is our overall purpose in the volume, to explore our understanding and future possibilities by bringing together critical reviews of the major theories, methods, and pedagogical advances that have taken place in the past 20 years in the field of literacy research at the primary/elementary school level. Each chapter in the volume is newly written for the Handbook while overall the book is intended to be a distillation of key thinking and theory which offers new directions for research in literacy. It aims to revisit current interpretations, make novel connections, frame new possibilities, and encourage researchers to pursue innovative and compelling lines of inquiry...

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Many important questions regarding pathophysiology and treatment of cerebral sinovenous thrombosis need clarification and may depend on further knowledge on the etiology, site, extension and recanalization of the thrombosis. We studied these variables in a cohort of children and adolescents from seven Portuguese Centers. We conclude from our results that the deep venous system and the superior longitudinal sinus are less frequently affected with thrombosis but have a greater potential for serious neurologic disease and for major sequelae. Non-recanalization, at least in the long term, is not an adverse prognostic factor. Extensive propagation of the thrombus from the initial site of origin seems to be common. The early identification of risk factors and their treatment coupled with an aggressive attitude towards diagnosis and treatment for thrombosis involving the deep venous system would be warranted.

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Aprovechando la colaboración del servicio del Centro de Servicios Sociales del Ayuntamiento de La Guancha, el profesorado del Instituto del mismo nombre, ha decidido la presentación de este proyecto, incluyendo en las programaciones oficiales temas de consumo, alimentación, publicidad, etc. En la memoria no se especifican resultados ni otros datos de interés.

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analizar las normas a partir de las cuales fue posible identificar la existencia de un vacío legal al interior del ordenamiento que regula la obligación alimentaria.

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Objetivo: Determinar el nivel de riesgo de la exposición por fracción respirable a polvo de carbón y sílice cristalina y la prevalencia de neumoconiosis en trabajadores de minas de socavón del departamento de Cundinamarca. Métodos: estudio de corte transversal, en grupos de exposición similar (GES) en las minas seleccionadas, el tamaño muestral fue constituido por 11 empresas y 215 trabajadores en donde se realizó un muestreo ambiental para medir los niveles de polvo de carbón y sílice cristalina. Resultados: La edad promedio del grupo fue de 46±9,5 años y género masculino (97,2%), se encontró una asociación significativa entre polvo de carbón y neumoconiosis (p =0,050) y no fue significativa con exposición a sílice cristalina (p = 0,537). El modelo de regresión logística mostró asociación significativa con la escala de nivel de riesgo de carbón medio (OR=10.4, IC 95%:1.50, 71.41, p=0,02), ajustando con variables significativas como: tamaño de la empresa mediana (OR = 2,67, IC 95%:1.07, 6.66, p=0,04), antigüedad mayor o igual a 30 años (OR = 7,186, IC 95%:2.98, 17.29, p=0,001) y habito tabáquico por más de un año (OR = 4,437, IC 95%:2.06, 9.55, p=0,001) para sílice cristalina no hubo asociación en el modelo multivariado. Conclusión: El riesgo de exposición a carbón de nivel medio está relacionado con la prevalencia de neumoconiosis y otros factores adicionales como tamaño de la empresa mediana, antigüedad mayor o igual a 30 años y habito tabáquico por más de un año para los trabajadores de minería de socavón en Cundinamarca. Para los niveles de sílice cristalina no se encontró asociación significativa.