61 resultados para Buda
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O objectivo do estudo é indagar até que ponto um dos aspectos fundamentais da espiritualidade budista - shunyata, a vacuidade - se pode considerar directa ou indirectamente presente no texto medieval português do século XIV, Vida do honrado infante Josaphate filho del rey Avenir, versão cristianizada da história do Buda que circulou por todo o medievo cristão.
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Este texto procura explorar o tema de Buda e do Budismo na escrita de Teixeira de Pascoaes (1877-1952).
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mimmenî Śimḥā Hallas
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"U.S. Government Printing Office: O-1954"--P. 250.
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Monocrotaline (MCT) is a pyrrolizidine alkaloid present in plants of the genus Crotalaria that causes cytotoxicity and genotoxicity in animals and humans. It is well established that the toxicity of MCT results from its hepatic bioactivation to dehydromonocrotaline (DHM), an alkylating agent, but the exact mechanism of action remains unknown. In a previous study, we demonstrated DHM`s inhibition of mitochondrial NADH-dehydrogenase activity at micromolar concentrations, which is an effect associated with a significant reduction in ATP synthesis. As a follow-up study, we have evaluated the ability of DHM to induce mitochondrial permeability transition (MPT) and its associated processes in isolated rat liver mitochondria. In the presence of 10 mu M Ca(2+), DHM (50-250 mu M) elicited MPT in a concentration-dependent, but cyclosporine A-independent manner, as assessed by mitochondrial swelling, which is associated with mitochondrial Ca(2+) efflux and cytochrome c release. DHM (50-250 mu M) did not cause hydrogen peroxide accumulation but did deplete endogenous glutathione and NAD(P)H, while oxidizing protein thiol groups. These results potentially indicate the involvement of mitochondria, via apoptosis, in the well-documented cytotoxicity of monocrotaline. (C) 2009 Elsevier Ltd. All rights reserved.
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Dissertação apresentada para cumprimento dos requisitos necessários à obtenção do grau de Mestre em História Moderna e dos Descobrimentos
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Type 2 diabetes (T2D) has been suggested to be a risk factor for multiple myeloma (MM), but the relationship between the two traits is still not well understood. The aims of this study were to evaluate whether 58 genome-wide-association-studies (GWAS)-identified common variants for T2D influence the risk of developing MM and to determine whether predictive models built with these variants might help to predict the disease risk. We conducted a case–control study including 1420 MM patients and 1858 controls ascertained through the International Multiple Myeloma (IMMEnSE) consortium. Subjects carrying the KCNQ1rs2237892T allele or the CDKN2A-2Brs2383208G/G, IGF1rs35767T/T and MADDrs7944584T/T genotypes had a significantly increased risk of MM (odds ratio (OR)=1.32–2.13) whereas those carrying the KCNJ11rs5215C, KCNJ11rs5219T and THADArs7578597C alleles or the FTOrs8050136A/A and LTArs1041981C/C genotypes showed a significantly decreased risk of developing the disease (OR=0.76–0.85). Interestingly, a prediction model including those T2D-related variants associated with the risk of MM showed a significantly improved discriminatory ability to predict the disease when compared to a model without genetic information (area under the curve (AUC)=0.645 vs AUC=0.629; P=4.05×10-06). A gender-stratified analysis also revealed a significant gender effect modification for ADAM30rs2641348 and NOTCH2rs10923931 variants (Pinteraction=0.001 and 0.0004, respectively). Men carrying the ADAM30rs2641348C and NOTCH2rs10923931T alleles had a significantly decreased risk of MM whereas an opposite but not significant effect was observed in women (ORM=0.71 and ORM=0.66 vs ORW=1.22 and ORW=1.15, respectively). These results suggest that TD2-related variants may influence the risk of developing MM and their genotyping might help to improve MM risk prediction models.
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Treball de recerca realitzat per un alumne d'ensenyament secundari i guardonat amb un Premi CIRIT per fomentar l'esperit científic del Jovent l'any 2009. El treball és un estudi de l’evolució, tan tècnica com estètica dels fars paral•lela als avenços tecnològics i prenent com a protagonistes els singulars fars de ferro que es varen construir durant la segona meitat del segle XIX i varen funcionar durant un llarguíssim període en el delta de l’Ebre. L’estructura de ferro, ancorada directament sobre les sorres del delta va donar un caràcter especial a aquestes construccions que, d’altra banda, constituïen una tipologia única a Catalunya i a Espanya. Aquests fars van rebre el nom del lloc on foren ubicats estratègicament. De sud a nord: far de la Banya, far de Buda i far del Fangar. Els van projectar conjuntament, es van encendre per primera vegada el mateix dia, van ser l’habitatge dels seus faroners, van anar evolucionant tècnicament tots tres però el final de cadascun d’ells va ser molt diferent. La història dels fars de ferro ha anat lligada al paisatge i la vida d’aquestes singulars terres del Delta i després de més d’un segle de servei foren substituïts per altres que estèticament i tècnicament res tenen a veure amb els seus antecessors.
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There is strong evidence suggesting the presence of a genetic component in the aetiology of multiple myeloma (MM). However no genetic risk factors have been unequivocally established so far. To further our understanding of the genetic determinants of MM risk, a promising strategy is to collect a large set of patients in a consortium, as successfully done for other cancers. In this article, we review the main findings in the genetic susceptibility and pharmacogenetics of MM and present the strategy of the IMMEnSE (International Multiple Myeloma rESEarch) consortium in contributing to determine the role of genetic variation in pharmacogenetics and in MM risk.
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Publicado en la página web de la Consejería de Igualdad, Salud y Políticas Sociales: www.juntadeandalucia.es/salud (Consejería de Igualdad, Salud y Políticas Sociales/ Profesionales / Nuestro Compromiso por la Calidad / Procesos Asistenciales Integrados). Este proceso reemplaza a la 1ª edición, editada en 2007: http://hdl.handle.net/10668/1350.
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The study of the exotic blocks of the Hawasina Nappes (Sultanate of Oman) leads to give apposit data that allow us to propose a new paleogeographic evolution of the Oman margin in time and space. A revised classification of exotic blocks into different paleogeographical units is presented. Two newly introduced stratigraphic groups, the Ramaq Group (Ordovician to Triassic) and the Al Buda'ah Group (upper Permian to Jurassic) are interpreted as tilted blocks related to the Oman continental margin. The Kawr Group (middle Triassic to Cretaceous) is redefined and interpreted as an atoll-type seamount. The paleogeography and paleoenvironments of these units are integrated into a new scheme of the Neotethyan rifting history. Brecciae and olisto¬liths of the Hawasina series are interpreted to have originated from tectonic movements affecting the Oman margin and the Neotethyan ocean floor. The breccias of late Permian age were generated by the extension processes affecting the margin, and by the creation of the Neotethyan oceanic floor. The breccias of mid-late Triassic age coincide in time with the collision of the Cimmerian continents with Eurasia. In constrast, the breccias of late Jurassic and Cretaceous age are interpreted as resulting to the creation of a new oceanic crust (Semail) off the Oman margin
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The area under the no-tillage system (NT) has been increasing over the last few years. Some authors indicate that stabilization of soil physical properties is reached after some years under NT while other authors debate this. The objective of this study was to determine the effect of the last crop in the rotation sequence (1st year: maize, 2nd year: soybean, 3rd year: wheat/soybean) on soil pore configuration and hydraulic properties in two different soils (site 1: loam, site 2: sandy loam) from the Argentinean Pampas region under long-term NT treatments in order to determine if stabilization of soil physical properties is reached apart from a specific time in the crop sequence. In addition, we compared two procedures for evaluating water-conducting macroporosities, and evaluated the efficiency of the pedotransfer function ROSETTA in estimating the parameters of the van Genuchten-Mualem (VGM) model in these soils. Soil pore configuration and hydraulic properties were not stable and changed according to the crop sequence and the last crop grown in both sites. For both sites, saturated hydraulic conductivity, K0, water-conducting macroporosity, εma, and flow-weighted mean pore radius, R0ma, increased from the 1st to the 2nd year of the crop sequence, and this was attributed to the creation of water-conducting macropores by the maize roots. The VGM model adequately described the water retention curve (WRC) for these soils, but not the hydraulic conductivity (K) vs tension (h) curve. The ROSETTA function failed in the estimation of these parameters. In summary, mean values of K0 ranged from 0.74 to 3.88 cm h-1. In studies on NT effects on soil physical properties, the crop effect must be considered.
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Embora o Brasil seja o maior produtor mundial de citros, a produção de mudas cítricas para fins ornamentais é pequena, e a pesquisa nessa área ainda é escassa. Os citros são atrativos para o paisagismo principalmente por seus frutos, que são de tamanhos, formatos e cores variados e que, em sua maioria, podem ser ingeridos in natura. O objetivo deste trabalho foi caracterizar, para fins paisagísticos, seis variedades cítricas com potencial ornamental: cidra Mão-de-Buda, kunquat Nagami, laranja Cipó, laranja Imperial, limão Faustrine e tangerina Venezuela, cultivadas no Banco Ativo de Germoplasma do Centro APTA Citros Sylvio Moreira, do Instituto Agronômico, em Cordeirópolis-SP. Para cada variedade, foram coletados 30 folhas adultas, 30 flores totalmente abertas e 30 frutos maduros para análise de seus caracteres morfológicos. As características das árvores também foram avaliadas. O delineamento utilizado foi o inteiramente casualizado, e a média das 30 medidas de cada variável representou a variedade. Foram observadas diferenças morfológicas acentuadas entre as seis variedades e todas apresentaram potencial ornamental.
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RESUMO Este artigo objetiva ser uma breve introdução à práxis soteriológica budista, enfatizando, num primeiro momento, as quatro nobres verdades (catvaryāryasatyaṇi), aquele conjunto de intuições fundamentais formuladas pelo Buda desde o seu primeiro sermão; depois se descreve o nobre óctuplo caminho (āryāṣṭāṇgikamarga), o conjunto de práticas ensinadas pelo Buda para a consecução da experiência do despertar; finalmente, descrevem-se os estágios do caminho tanto no ambiente theravādin quanto na tradição mahāyāna.