1000 resultados para Aquagliceroporina-3


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The writer has discovered in Curupaity (National Leprosarium, Rio de Janeiro), three cases of verrucous dermatitis in C 3 type lepers. He suspected it to be an association of leprosy with Dermatilis verrucosa blastomycetica (Chromoblastocycosis) but various attempts to cultivate the fungus (Acrotheca or Hormodendrum Pedrosoi) responsible for the disease gave negative results and also the histopathologic aspect of the verrucous tissue proved it to be a leprotic granuloma without mycotic association. The writer's conclusion, based upon the cultural and histopathological studies, is that the verrucous dermatitis observed is due to leprosy alone, considering it as a new syndrome of the disease and not a new clinical form. He has called it « Dermatitis verrucosa leprotica » and made suggestions to all doctors of leprosaria to look for new cases and to study their etiology and pathogeny. Electrocoagulation improved the lesions.

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The AA. carried out experiments in the leprosarium São Roque, State of Paraná, South Brazil, to verify if the cattle tick Boophilus microplus could be experimentally infected in lepers, which was true. The AA. Tried also to be ascertained if Boophilus microplus and Amblyomma cajennense could change of hosts during their feedings which was true, both ticks continue feeding, the last species for many days, after being transferred from one to another leper. The junior A. describes in full their experiments and also a dermatites caused by tick bites. The senior A. brought to Rio de Janeiro most of the infected ticks for examination, which revealed a very high positivity. He smeared the sediments of lots of both species of ticks in Loewenstein medium and after a variable periode of incubation at 37° C. he obtained four new samples of cultures of acid-fast organisms, two from Amblyomma cajennense and two from Boophilus microplus. These cultures are being studied and will be inoculated into laboratory animals. The senior A. inoculated new batches of white rats with sediments of many ticks infected in lepers. Various hypotheses of both previous notes upon the subject now are verified facts. The A. is accumulating facts to draw the conclusions in the future. He also suggested the leprosy workers in the interior of the country to cooperate with him in such important studies, specially in the habitat of lepers in the rural zones of various States.

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Los consorcios han sido una de las novedades más influyentes en la realidad bibliotecaria mundial de los últimos cinco años. Su expansión territorial y en actividades los ha convertido en un fenómeno que ha cambiado profundamente las formas tradicionales de definir los servicios bibliotecarios. El examen atento de las actividades que ha desarrollado el Consorcio de Bibliotecas Universitarias de Cataluña (CBUC) en el ámbito de las bibliotecas digitales es una muestra de las posibilidades de cooperación existentes en estos inicios del Siglo XXI. El CBUC inició sus actividades de contratación de contenidos digitales en el 1998. Los productos y servicios licenciados se agruparon bajo el nombre de Biblioteca Digital de Catalunya (BDC). La BDC contiene actualmente unas 6.800 revistas-e, 58 BBDD y 4.100 libros-e. De forma bastante paralela en el tiempo nacieron un servidor de sumarios electrónicos de revistas y un servidor de tesis doctorales a texto completo. La evolución de las necesidades de las bibliotecas ha comportado que hoy en el CBUC se tenga la visión de la BDC como un servicio formado de dos grandes partes: a) los productos exteriores sujetos a contratación y accesibles remotamente a través de servicios comerciales, y, b) servidores de aquellos objetos digitales generados en el ámbito del CBUC y que solo pueden ser puestos en la red por nosotros mismos. Para gestionar esta segunda parte de la BDC debemos constituir almacenes o repositorios digitales. Entre las diferentes posibilidades, el CBUC ha optado por crear repositorios institucionales colectivos de diferente tipo según los materiales que contienen. Hasta el momento se han creado tres repositorios: uno para tesis, uno para revistas y uno para literatura gris de investigación. Está previsto crear un cuarto repositorio para imágenes. La ponencia finaliza con los aprendizajes del CBUC en materia de repositorios. El principal es que la mayor dificultad para crearlos no son los elementos tecnológicos sino establecer mecanismos de relación con el profesorado y la universidad para que los diferentes documentos creados de forma electrónica pasen a formar parte de los repositorios institucionales correspondientes.

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Using the continuation method we prove that the circular and the elliptic symmetric periodic orbits of the planar rotating Kepler problem can be continued into periodic orbits of the planar collision restricted 3–body problem. Additionally, we also continue to this restricted problem the so called “comets orbits”.

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We prove that the fundamental group of any Seifert 3-manifold is conjugacy separable. That is, conjugates may be distinguished infinite quotients or, equivalently, conjugacy classes are closed in the pro-finite topology.

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The paper is devoted to the study of a type of differential systems which appear usually in the study of some Hamiltonian systems with 2 degrees of freedom. We prove the existence of infinitely many periodic orbits on each negative energy level. All these periodic orbits pass near the total collision. Finally we apply these results to study the existence of periodic orbits in the charged collinear 3–body problem.

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We study of noncompact Euclidean cone manifolds with cone angles less than c&2π and singular locus a submanifold. More precisely, we describe its structure outside a compact set. As a corol lary we classify those with cone angles & 2π/3 and those with cone angles = 2π/3.

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"Vegeu el resum a l'inici del document del fitxer adjunt."

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"Vegeu el resum a l'inici del document del fitxer adjunt."