1000 resultados para Teste de função respiratória Avaliação


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Introduo: O futsal uma modalidade esportiva altamente dinmica e sua prtica em nvel de rendimento caracterizada por uma exigncia altssima dos sistemas anaerbio e aerbio, sendo o ltimo, responsvel por sustentar as altas intensidades exigidas durante a partida. Um exemplo de teste para avaliar a capacidade aerbia o Circuito de Hoff, porm especfico para o futebol. Com a finalidade de elaborar um protocolo de teste especfico para o futsal, este estudo procura padronizar o teste Circuito de Hoff como uma forma i ndireta de i nvestigar a capacidade aerbia de atletas dessa modalidade. Objetivo: Padroni zar o Circuito de Hoff para avaliação da capacidade aerbia de jogadores de futsal, determinada pelo teste de lactato mnimo. Metodologia: Participaram do estudo 8 atletas de futsal do sexo masculino (idade: 21,752,05 anos) pertencentes a uma equipe universitria de competio do Estado de So Paulo. Inicialmente os participantes passaram por uma avaliação antropomtrica e deram incio ao um perodo de 5 dias de familiarizao ao Hofffutsal e logo aps ento realizaram o teste de lactato mnimo no circuito Hofffutsal. Aps 7 dias, teste de lactato mnimo no circuito Hofffutsal foi reaplicado para a verificao da reprodutibilidade (intra-teste). Para anlise estatstica de normalidade e homogeneidade dos dados foram utilizados os testes Shapiro-Wilks e Levene respectivamente. Para comparao dos resultados foi realizado o teste t de Student pareado e a correlao de Pearson (p<0,05). Resultados: O teste t de Student no encontrou diferenas estatsticas entre os valores de Lac_mn teste x Lac_min Re-teste, e R2 Teste X R2 Re-teste. Apresentou-se valores de 7,750,29 mmol/l de lactato mnimo e r2 de 0,940,09 para teste e um valor de 7,690,29 mmol/l de lactato mnimo ...(Resumo completo, clicar acesso eletrnico abaixo)

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Compounds released into the environment can induce genetic alterations in living organisms. A group of chemicals that shows proven toxicity is the pesticides, and the insecticides are the most harmful. The insecticides of the family phenylpyrazole have wide application both in agriculture and in homes. Fipronil, an insecticide of this chemical group, is widely used in various cultures and in homes, mainly for fighting fleas and ticks on dogs and cats. The use of fipronil may represent a risk to man and the environmental health, since this pesticide can potentially induce cell death, regardless of cell type. Fipronil, when in contact with the environment, can undergo various degradation processes, including photodegradation. The toxic effect of one of its metabolites derived from photodegradation, sulfone-fipronil, is approximately 20 fold as great as fipronil itself. The A. cepa test system was used to evaluate cytotoxic, genotoxicity and mutagenic effects of fipronil before and after phptodegradation. Seeds of Allium cepa were subjected to solutions of fipronil, pre-exposed or not exposed to degradation by sunlight. The germination tests were conducted both under the effect of light and in the dark. We evaluated the cumulative potential of this insecticide using 48 and 72-hours recovery tests. The results showed that when fipronil was previously exposed to the sun, it presented a greater genotoxic and mutagenic potential, showing that the metabolites formed by photodegradation can show more harmfull effects

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Ps-graduao em Cirurgia Veterinria - FCAV

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Coordenao de Aperfeioamento de Pessoal de Nvel Superior (CAPES)

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Ps-graduao em Fisiopatologia em Clnica Mdica - FMB

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Ps-graduao em Agronomia (Horticultura) - FCA

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Recent bonding systems have been advocated as multi-purpose bonding agents. The aim of this study was to determine if some of these bonding systems could be associated to composite resins from different manufacturers. This investigation was conducted to test lhe shear bond strength of three bonding systems: Scotchbond Multi-Purpose (3M Dental Products), Optibond Light Cure (Kerr) and Optibond Dual Cure (Kerr), when each of them was associated to lhe composite resins: Z1 00 (3M Dental Products), Prisma - APH (Dentsply) and Herculite XRV (Kerr). Seventy-two flat dentin bonding sites were prepared to 600 grit on human premolars mounted using acrilic resins. The teeth were assigned at random to 9 groups of 8 samples each. A split die with a 3mm diameter was placed over lhe surface of lhe dentin treated with one of lhe adhesive systems, and lhe selected composite resin was inserted and light cured. The split mold was removed and all samples were termocycled and stored in 37C water for 24 hours before testing. Shear bond strength was determined using an lnstron Universal testing machine. Some failures were examined under lhe S.E.M. Data was analysed by one-way analysis of variance, that demonstrated a significant difference (p<0,05) in the mean shear bond strength among Optibond Light Cure (15,446 MPa), Scotchbond Multi-Purpose (13,339 MPa) and Optibond Dual Cure (10,019 MPa). These values did not depend on the composite resin used. The association between bonding system/composite resin was statistycally significant (p<0,05) and the best results were obtained when the composite resins Z100 and Herculite were used with the adhesive system Optibond Light Cure, and when the composite resin APH was used with the adhesive system Scotchbond Multi-Purpose

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Fundao de Amparo Pesquisa do Estado de So Paulo (FAPESP)

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Coordenao de Aperfeioamento de Pessoal de Nvel Superior (CAPES)

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Fundao de Amparo Pesquisa do Estado de So Paulo (FAPESP)