1000 resultados para 03031635 CTD-137
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Collection : Théâtre contemporain illustré ; 136e et 137e livraisons
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Servicios registrales
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Servicios registrales
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Servicios registrales
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Brown sediment with clasts ranging from small to large. Clast shape ranges from angular to sub-rounded. Lineations and rotation structures are common. This sample also contains crushed grains, edge-to-edge grain crushing and grain stacking. Many comet structures can also be seen throughout the sample.
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La phosphorylation du domaine C-terminal de l’ARN polymérase II permet à ce complexe protéique d’exécuter la transcription des gènes, en plus de coupler à la transcription des événements moléculaires comme la maturation des ARNm. Mes résultats montrent que même si cette phosphorylation suit un patron similaire à l’ensemble des gènes, il existe des exceptions pouvant être dues à des mécanismes alternatifs de phosphorylation du CTD. Le présent ouvrage s’intéresse également au rôle qu’occupe la variante d’histone H2A.Z dans l’organisation de la chromatine. Des études précédentes on montré que le positionnement de certains nucléosomes le long de l’ADN serait influencé par H2A.Z et aurait une influence sur la capacité de transcrire les gènes. Par une approche génomique utilisant les puces à ADN, j’ai cartographié l’impact de la délétion de H2A.Z sur la structure des nucléosomes. Enfin, des résultats intéressants sur la dynamique d’incorporation de H2A.Z à la chromatine ont été obtenus.
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A new polyoxometalate of chemical formula, Na-2(H2O)(4)(H3O)[Al(OH)(6)Mo6O18] (1) containing Anderson type large anion has been synthesized and characterized by single-crystal X-ray structure determination and IR spectroscopic studies. The crystal of 1 is triclinic, spacegroup P-1 with cell dimensions, a = 6.365(9) angstrom, b = 10.37(1) angstrom, c = 10.44(1) angstrom and alpha = 65.41(1), beta = 77.18(1), gamma = 86.58(1) and Z = 1. The compound 1 behaves as an ion exchanger and is stable in thermal, radiation and chemical environments. Radiochemical separation of the short-lived daughter Ba-137m (t(1/2) = 2.50 min) from its long-lived parent Cs-137 using this newly designed and synthesized ion exchanger has been developed.
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Stroke was probably first described in Psalms 136: 5-6 of the Catholic Bible, and Psalms 137:5-6 of the Evangelical Bible. Based on the Portuguese, Spanish, English, German, Dutch, Russian, Greek, and original Hebrew Bible, the significance of this Psalm is the invocation of a punishment, of which the final result would be a stroke of the left middle cerebral artery, causing motor aphasia and right hemiparesis.
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Desde a sua descoberta, em 1989, o vírus da hepatite C (HCV) tem sido reconhecido como a maior causa de doença hepática crônica no mundo. Considerado um problema de saúde pública mundial que envolve entre 170 a 350 milhões de pessoas infectadas. Fatores genéticos do hospedeiro têm sido implicados na persistência da infecção pelo HCV. Estudos sugerem que dois polimorfismos de nucleotídeos únicos na posição -607 C/A (rs1946518) e -137 G/C (rs187238) na região promotora do gene da IL-18 têm sido encontrados e associados com a atividade de transcrição do promotor da IL-18 e, potencialmente, de IFN-γ, sendo associados ao atraso na depuração viral e na persistência da doença. Foi realizado um estudo do tipo transversal analítico no município de Belém-PA, em 152 amostras sanguíneas de pacientes infectados pelo HCV e 188 controles não infectados. As amostras foram submetidas à RT-PCR, para detecção do RNA viral e, posteriormente, à RFLP-PCR para avaliação do polimorfismo na região promotora do gene da IL-18, nas posições -137 G/C e -607 C/A. Os resultados não revelaram diferença significante para os polimorfismos da IL-18 entre os pacientes e grupo controle. Mas revelou diferença significante para os genótipos homozigotos G/G (39,1%), na posição -137 (OR = 3.00, IC [95%] = 1.24 – 7.22, p = 0.02), e A/A (21,7%), posição -607 (OR = 3.62, IC [95%] = 1.25 – 10.45, p = 0.03), entre as mulheres, em relação aos homens (22,6% e 7,6%). Os resultados demonstraram indícios que entre as mulheres, a presença do polimorfismo homozigoto A/A (-607) atue como fator protetor contra a infecção pelo HCV, já que o genótipo A/A (-607) tem sido relacionado em alguns estudos à doença hepática leve e à depuração viral.
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This study aimed to discuss the recent contributions of History of Science to theteaching of chemistry. The theme of the teaching unit was on the accident of cesium-137 in Goiânia ? Goiás, Brazil (1987). This was a qualitative study in which researcherand professor use the methodology of teaching on research. Thus, students should seekinformation, organize the data collected and establish relationships. Students producedposters in an exhibition at the school on the twentieth anniversary of the accident.Results demonstrated the importance of this resource. It was possible to exploit theabundance of detail and illustrations utilized what themes they students considerimportant and which they exploited. A poster exhibition on the theme indicated thestrong interest of students to participate in all activities proposed. The study alsorevealed the importance of using elements of the History of Science in ChemicalEducation and its relationship to the daily life of students.Key words: history of science; radioactivity; cesium-137
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The Rock Hill Civitan Club Records consist of manuals, brochures, newsletters and some correspondence relating to club projects, membership and the club organization related to the Civitan Club based in Rock Hill, SC.