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Träfflista för sökning "WFRF:(Virtanen Carl) srt2:(2009)"

Sökning: WFRF:(Virtanen Carl) > (2009)

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1.
  • Hølland, Vidar, et al. (författare)
  • Nordic ionospheric sounding rocket seeding experiment (NISSE)
  • 2009
  • Ingår i: Proc. 19th ESA Symposium on European Rocket and Balloon Programmes and Related Research, Bad Reichenhall, Germany, 7-11 June 2009. ; , s. 467-472
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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2.
  • Hølland, Vidar, et al. (författare)
  • Nordic ionospheric sounding rocket seeding experiment (NISSE)
  • 2009
  • Ingår i: Proc. 19th ESA Symposium on European Rocket and Balloon Programmes and Related Research, Bad Reichenhall, Germany, 7-11 June 2009. ; , s. 467-472
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • The Nordic Ionospheric Sounding rocket Seeding Experiment (NISSE) is a student research project in the REXUS student rocket experiment program. The NISSE experiment flew onboard a sounding rocket, the REXUS 6, which was launched at the Esrange rocket range on March 12, 2009. In the NISSE experiment about 8.3 kg of water was to be released into the ionosphere at the REXUS 6 apogee altitude of about 95 km. The EISCAT UHF incoherent scatter radar system located in Northern Fennoscandia, was in action for detection and observation of the effects of the released water on the upper atmosphere. Although NISSE was only partially successful, we are motivated to present here the conceptual description of the experiment and discuss the experience gained from an educational point of view.
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3.
  • Kaminsky, Zachary A., et al. (författare)
  • DNA methylation profiles in monozygotic and dizygotic twins
  • 2009
  • Ingår i: Nature Genetics. - : Nature Publishing Group. - 1061-4036 .- 1546-1718. ; 41:2, s. 240-245
  • Tidskriftsartikel (refereegranskat)abstract
    • Twin studies have provided the basis for genetic and epidemiological studies in human complex traits. As epigenetic factors can contribute to phenotypic outcomes, we conducted a DNA methylation analysis in white blood cells (WBC), buccal epithelial cells and gut biopsies of 114 monozygotic (MZ) twins as well as WBC and buccal epithelial cells of 80 dizygotic (DZ) twins using 12K CpG island microarrays. Here we provide the first annotation of epigenetic metastability of approximately 6,000 unique genomic regions in MZ twins. An intraclass correlation (ICC)-based comparison of matched MZ and DZ twins showed significantly higher epigenetic difference in buccal cells of DZ co-twins (P = 1.2 x 10(-294)). Although such higher epigenetic discordance in DZ twins can result from DNA sequence differences, our in silico SNP analyses and animal studies favor the hypothesis that it is due to epigenomic differences in the zygotes, suggesting that molecular mechanisms of heritability may not be limited to DNA sequence differences.
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  • Resultat 1-3 av 3

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