202 resultados para Photochemical Rearrangements
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In this paper, we analyze the theoretical work of Renaud Barbaras, departing from his proposal to highlight and develop the potential of Husserl's theory of perception, based on the doctrine of perceptive donation according to profiles. We mainly focused on his work entitled Desire and distance: introduction to a phenomenology of perception. We underline the description, operated by the author, about the vital movement as desire and the characterization of the subject of the perception as living. In this condition, the formulation about the priority of a dimension emerges, qualified by Barbaras as pulsion towards the objectifying dimension of classical epistemology in the subject-object relation. We indicate that, according to the author, these rearrangements entail the need to consider the body, perception and movement based on the category of life.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Canine transmissible venereal tumor (CTVT) is the oldest known somatic cell lineage. It is a transmissible cancer that propagates naturally in dogs. We sequenced the genomes of two CTVT tumors and found that CTVT has acquired 1.9 million somatic substitution mutations and bears evidence of exposure to ultraviolet light. CTVT is remarkably stable and lacks subclonal heterogeneity despite thousands of rearrangements, copy-number changes, and retrotransposon insertions. More than 10,000 genes carry nonsynonymous variants, and 646 genes have been lost. CTVT first arose in a dog with low genomic heterozygosity that may have lived about 11,000 years ago. The cancer spawned by this individual dispersed across continents about 500 years ago. Our results provide a genetic identikit of an ancient dog and demonstrate the robustness of mammalian somatic cells to survive for millennia despite a massive mutation burden.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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The objective of this study was to evaluate gas exchange and photochemical efficiency of cotton cultivars under leaf application of silicon. Therefore, the experiment was conducted in a completely randomized in a factorial 3 x 5, three cotton cultivars ('BRS Topazio', 'BRS Safira' and 'BRS Rubi'), five silicon concentrations (0, 50, 100, 150, 200 mg L-1) and four replications. Gas exchange and photochemical efficiency were determined by measuring the rate of CO2 assimilation, transpiration, stomatal conductance, internal CO2 concentration, instantaneous efficiency in water use, instantaneous carboxylation efficiency, initial fluorescence, maximum quantum efficiency of the variable and photosystem II (PSII). The data variables were subjected to analysis of variance and regression test comparison of means. There were significant differences in gas exchange and photochemical efficiency in response to concentrations of silicon. There were also significant differences among cotton cultivars evaluated. In cultivar 'BRS Top zio', the application of silicon increased CO2 assimilation rate and quantum efficiency of PSII. In 'BRS Safira' silicon reduced the rate of assimilation and internal CO2 concentration. In 'BRS Rubi' element increased the fluorescence of chlorophyll 'a' and quantum efficiency of photosystem II, and reduced the rate of assimilation and internal CO2 concentration and stomatal conductance. Silicate fertilization provided 'BRS Topazio' to express better photosynthetic rate in relation to 'BRS Safira' and 'BRS Rubi'. No damage occurred in PSII when 'BRS Top zio', 'BRS Safira' and 'BRS Rubi' cultivars received silicon as supplementary nutrition.
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The present work is to analyze the importance of exchanging knowledge and technological innovation in Business Condominium Square Capital installed in the Metropolitan Region of Campinas (SP). The condominium corporate Capital Square is the new result of the productive rearrangements that allow the reproduction of capital. This new production space, endowed with infrastructure and sophisticated logistics is able to enable the development of companies installed there in addition to promoting the advancement of technological innovation in the region because of its relations with laboratories, universities and research centers. The research aims to contribute to the understanding of this new form of organization of space activities corresponding to the logic of exchange of knowledge and technological innovation. The logical location of innovation services have similar aspects to economic activities in general, which is distinguished due to the intangible nature of services of high added value through the strategic role of information, the nature of services and because there are services whose logic operation is beyond the economic, but also scientific. The project includes the study in an integrated environment, which allows to evaluate, under various aspects, the importance of established companies and infrastructure available that enable the advancement of skills and knowledge exchange in Capital Square Condo