143 resultados para ischemia and reperfusion injury
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Pós-graduação em Fisiopatologia em Clínica Médica - FMB
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Genética - IBILCE
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Pós-graduação em Genética - IBILCE
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Pós-graduação em Ciência Animal - FMVA
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Pós-graduação em Biologia Geral e Aplicada - IBB
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Pós-graduação em Fisiopatologia em Clínica Médica - FMB
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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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The local anesthetic articaine (ATC) is widely used in dentistry; however, its side effects can include paresthesia and nerve injury. Polymeric nanocapsules (PN) can be used as carriers for drugs, and help to reduce undesirable symptoms. The objective of this study was to evaluate the influence of different factors on the average size, polydispersion, and encapsulation efficiency of PN containing ATC. Poly(ε-caprolactone) (PCL) nanocapsules containing ATC were prepared by the oil-in-water emulsion/solvent evaporation method. The final ATC concentration was 2%. The preparation conditions were optimized using a central composite blocked cube-star design to investigate the influence of two variables at five levels, with 22 factorial points (–1 and +1), two replicates of the central point, 2×2 axial points (–1.414 and +1.414), and an orthogonal distribution, resulting in 10 experiments. The factors varied were the PVA concentration and the sonication time. The nanocapsules showed a satisfactory size range, a polydispersivity index less than 0.2, and high encapsulation efficiency. The values of the factors had no significant influence on either average size or polydispersion, although the encapsulation efficiency was significantly influenced by the sonication time. Improved formulations were identified using the central composite design, which revealed that the main consideration in selecting a suitable formulation was the encapsulation efficiency. Two of the formulations showed both high encapsulation efficiency and colloidal characteristics appropriate for the route of administration.
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The present study focuses the impunity for human rights violations in Latin America. In this tradition of impunity, there is one exception, the emblematic case Fujimori, in which the conviction was for murder and serious injury, crimes against humanity according to the International Criminal Law. This sentence is an example in the context of this traditional trend of impunity. The research also analyzes the use of international law as a barrier state against injustice, both in substantive, imposing binding or mandatory standards with a universal character, but also in procedural terms, by providing supranational mechanisms to protect victims.
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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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Pós-graduação em Medicina Veterinária - FCAV