Mostrando 101 - 120 Resultados de 3,134 Para Buscar '"comet"', tiempo de consulta: 0.41s Limitar resultados
  1. 101
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  5. 105
    por Moltenbrey, Michael
    Publicado 2016
    “…Written for interested laymen, amateur astronomers and students it describes the nature and origin of asteroids, dwarf planets and comets, and gives detailed information about their role in the solar system. …”
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  6. 106
    por Maffei, Paolo
    Publicado 1985
    “…Mars-avril 1986: la comète de Halley est de retour, passant au plus près de la Terre.Rarement un événement à l'origine strictement astronomique aura à ce point été un événement scientifique. …”
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  7. 107
    por Kronk, Gary W
    Publicado 2017
    “…This biography covers the life of Lewis Swift (1820-1913), who discovered 13 comets and nearly 1,200 other deep sky objects. All 13 comets found by Swift now bear his name, including three periodic comets with periods of 6 years (11P/Tempel-Swift-LINEAR), 9 years (64P/Swift-Gehrels), and 133 years (109P/Swift-Tuttle). …”
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  8. 108
  9. 109
    por Henderson, M
    Publicado 2003
    “…The project will now have to be redesigned completely to target a different comet at a later date (1/2 page).…”
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  10. 110
    “…BACKGROUND: Ultrasound lung comets (ULCs) are a clinically useful sign of extravascular lung water. …”
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  11. 111
    “…Spontaneous and radiation-induced genetic instability of peripheral blood mononuclear cells derived from unselected breast cancer (BC) patients (n=50) was examined using the single-cell gel electrophoresis (Comet) assay and a modified G2 micronucleus (MN) test. …”
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  12. 112
    “…Results are summarized as follows: (1) for all mutagens studied, LGDs were MN test ≦ Comet assay; (2) except for BLM, LGDs were Comet assay/araC ≦ MN test; (3) except for UVC and MNU, LGDs were acellular assay ≦ Comet assay/araC ≦ MN test ≦ Comet assay. …”
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  13. 113
  14. 114
    “…The alkali version of comet assay was used to examine genotoxicity of leachate by DNA strand breaks analysis and its repair dynamics. …”
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  15. 115
    “…The viral identification showed presence of more than one virus type in 59.375% of the infected animals. Comet assay was performed according to alkaline technique. …”
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  16. 116
    “…In a biochemical approach, substrate nucleoids containing specific DNA lesions are incubated with cell extract; repair enzymes in the extract induce breaks at damage sites; and the breaks are measured with the comet assay. The nature of the substrate lesions defines the repair pathway to be studied. …”
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  17. 117
    por Gaivão, Isabel, Sierra, L. María
    Publicado 2014
    “…The comet assay, a very useful tool in genotoxicity and DNA repair testing, is being applied to Drosophila melanogaster since around 15 years ago, by several research groups. …”
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  18. 118
    “…Furthermore, due to its great versatility, the comet assay allows to explore the use of alternative cell types to assess DNA damage, such as epithelial cells. …”
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  19. 119
    “…Due to its simplicity and sensitivity, and the small number of cells required to obtain robust results, the use of plant comet assay has drastically increased in the last decade. …”
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  20. 120
    “…As the fragments have different sizes the final result of the electrophoresis is not a distinct line but rather a continuum with the shape of a comet. The system allows a quantification of the resulting “comet” and thus of the DNA breaks in the cell.…”
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