879 resultados para Inbred line
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Dissertação de mestrado em Bioquímica Aplicada – Biomedicina
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Dissertação de mestrado em Design de Comunicação de Moda
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Programa Doutoral em Líderes para as Indústrias Tecnológicas
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Tese de Doutoramento em Ciência e Engenharia de Polímeros e Compósitos.
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Relatório de estágio de mestrado em Tradução e Comunicação Multilingue
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Fundamentos: O nível de metilação global do ADN de leucócitos no sangue tem sido associado ao risco de doença arterial coronariana (DAC), com resultados inconsistentes em diferentes populações. Faltam dados semelhantes da população chinesa, onde diferentes fatores genéticos, de estilo de vida e ambientais podem afetar a metilação do ADN e sua relação com o risco de DCC. Objetivos: Analisar se a metilação global está associada ao risco de doença coronariana na população chinesa. Métodos: Foram incluídos um total de 334 casos de DCC e 788 controles saudáveis. A metilação global do ADN de leucócitos de sangue foi estimada por meio da análise das repetições do LINE-1 usando pirosequenciamento de bissulfito. Resultados: Em uma análise inicial restrita aos controles o nível do LINE-1 diminui significativamente com a idade avançada, colesterol total elevado, e diagnóstico de diabetes. Na análise de caso-controle, a redução da metilação do LINE-1 foi associada ao aumento do risco de DCC, tendo a análise por quartil revelado uma odds ratio (IC 95%) de 0,9 (0,6-1,4), 1,9 (1,3-2,9) e 2,3 (1,6 3.5) para o terceiro, segundo e primeiro (o mais baixo) quartil (P da tendência < 0,001), respectivamente, em comparação com o quarto (o mais alto) quartil. A metilação inferior (< mediana) do LINE-1 esteve associada a 2,2 vezes (IC 95% = 1,7-3,0) o aumento de risco de doença coronariana. As estimativas de risco de DCC menores relacionadas com o LINE-1 tenderam a ser mais fortes entre os indivíduos com maior tercil de homocisteína (P interação = 0,042) e naqueles com diagnóstico de hipertensão arterial (P interação = 0,012). Conclusão: A hipometilação do LINE-1 está associada ao risco de doença coronariana na população chinesa. Fatores de risco de DCC potenciais tais como a idade avançada, colesterol total elevado, e diagnóstico de diabetes podem ter impacto na metilação global do ADN, exercendo, portanto, o seu efeito sobre o risco de doença coronariana.
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DAPK, Apoptosis, p38, macrophages, survival
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Magdeburg, Univ., Fak. für Informatik, Diss., 2008
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Magdeburg, Univ., Fak. für Elektrotechnik und Informationstechnik, Diss., 2011
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The present work deals with the study of the effects of selfing and crossing in pures lines of okra inbred for five generations and the methods of breeding in this plant. This work is party of a large program of this Dept. to study heterosis in plants naturally self pollinated. The technic of selfing consists of tying with a string the floral bud before anthesis. To make controlled crosses, it is necessary to emasculate the flowers removing the anthers with small forceps, and to cover the flowers with a bag and wait for 1 or 2 days until the blooming. Also, the male parents are covered with paper bags prior to flowering. Finally, the pollen is brushed lightly over the stigma of the emasculated flowers and the females unit rebagged. The authors have tried without sucess the technic of soda fountain straw used for cotton. The treatments were: I) Fl of the cross pure-line x foreign variety (not improved by breeding). II) Fl of the cross pure-line x parental variety and III) pure-line 5 generations inbred. In order to compare the production of these three treatments, a randomized blocks with 4 replications was designed; since we had 6 families in each treatment, the total number was: 4 replications x 3 treatments x 6 families: = 72. Each familiy was planted in lines of 10 plants. Owing to the design devised, the present experiment corresponds to a split-plot. The analysis of variance of the number and the weight of the pods is given in tables 2 and 4, and shows the following: 1) The production expressed in both numbers and weights of the cross, - pure lines x foreign variety - was statistically smaller than the others treatments, i, e., the cross of pure-lines x parental variety and the pure-lines; 2) The production of the treatments pure-lines x parental variety and selfed purelines was the same. It was proved that the selfing do not produce harmful effects in okra, it was benefical, since after 5 inbred generations the production was the same when compared with Fl of the parental variety. Also, the methods of pure-lines are indicated to improve varieties of okra.
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This article is devoted to the research of VoIP transmission quality over Digital Power Line Carrier channels. Assessment of quality transmission is performed using E-model. Paper considers the possibility of joint using of Digital Power Line carrier equipment with different architecture in one network. As a result of the research, the rule for constructing of multi-segment Digital Power Line Carrier channels was formulated. This rule allows minimizing the transmission delay and saving frequency resources of high voltage Power Line Carrier range.
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This article is devoted to the research of channel efficiency for IP-traffic transmission over Digital Power Line Carrier channels. The application of serial WAN connections and header compression as methods to increase channel efficiency is considered. According to the results of the research an effective solution for network traffic transmission in DPLC networks was proposed.
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Magdeburg, Univ., Fak. für Informatik, Diss., 2015
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Magdeburg, Univ., Fak. für Maschinenbau, Diss., 2015