1000 resultados para Manuel André
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1869 (A11).
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1868 (A10).
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1860 (A2).
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1863 (A5).
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1859 (A1,PART2).
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1859 (A1,PART1).
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(ENGLISH VERSION BELOW) En 1780, le médecin Jean-André Venel fonde à Orbe, dans le canton de Vaud, le premier institut orthopédique connu dans le monde, proposant une version clinique d'un savoir-faire médical ancestral. A travers des sources qui réactualisent les travaux consacrés à Venel, cet article retrace les origines de son institution et de sa pensée médicale, dans un contexte de production et de diffusion d'un savoir particulier en termes de technique du corps et de médecine de l'enfant. Revisitant la figure légendaire - ou mythique ? - de ce que l'histoire de la médecine a retenu comme étant le « père de l'orthopédie », l'article s'interroge par la même occasion sur les conditions d'émergence d'une spécialité médicale au sortir de l'Ancien Régime, et de son impact dans les premières décennies du XIXe siècle. In 1780, the physician Jean-André Venel creates in Orbe (canton of Vaud) the first orthopedic institute of the world, offering a clinical version of an ancient medical savoir-faire. By using sources that enable us to update the scholarship on Venel, this article traces the origins of his institute and of his medical thought, in the context of the production and diffusion of a specialized knowledge on the body and on children. With this new perspective on the legendary, if not mythical, figure, whom the history of medicine has canonized as the "father of orthopedia", this article also examines the conditions of emergence of a medical specialization at the end of the Ancien Régime and its impact in the first decades of the nineteenth century.
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Este libro, en dos volúmenes, es un merecido homenaje al profesor Yann LE BOHEC (professeur émérite, Paris IV-La Sorbonne), jubilado forzosamente de la docencia universitaria en septiembre de 2011. La carrera investigadora del profesor Le Bohec que naturalmente continua en la actualidad ha tratado multitud de temas relacionados con el Imperio Romano, aunque deben ser destacadas en especial dos temáticas: el norte de África y el ejército romano. Y obviamente estos asuntos se ven también muy reflejados en los artículos de todos aquellos colegas y amigos que colaboran en el homenaje.
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Postprint (author’s final draft)
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Entrevista con Manuel Villegas
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Mathematical models can help to prevent high levels of toxic substances in soil or fruits of plants treated with pesticides and indicate that such substances should be systematically monitored. The aim of this research was to study the kinetics of paclobutrazol biodegradation by soil native bacteria using mathematical models. Three models were used to assess the kinetics of paclobutrazol biodegradation obtained experimentally. Excellent fits were obtained using dual kinetic and logistic models. The use of glycerol as additional carbon source increased the biodegradation of PBZ and consequently decreased the time required for a given PBZ initial concentration be halved.
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Paclobutrazol is growth regulator of plants that has low mobility in soil and therefore has accumulated. The objective of this study was to investigate the paclobutrazol biodegradation in two soils from the São Francisco River Valley. The biodegradation experiments were conducted in batch using paclobutrazol and paclobutrazol added glycerol. The experiments were performed in sterile and nonsterile conditions using a mixed culture of Pseudomonas. The concentration of paclobutrazol was determined by high performance liquid chromatography. The biodegradation reached 43% in 14 days of experiments with only paclobutrazol and 70% in 28 days of experiments that contained glycerol and paclobutrazol.
