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Träfflista för sökning "(WFRF:(Fukuda A)) srt2:(2000-2004)"

Sökning: (WFRF:(Fukuda A)) > (2000-2004)

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  • Sips, A. C. C., et al. (författare)
  • An international database for the study of the formation of ITBs in tokamaks
  • 2002
  • Ingår i: Plasma Physics and Controlled Fusion. - 0741-3335 .- 1361-6587. ; 44, s. A391-A398
  • Tidskriftsartikel (refereegranskat)abstract
    • For the first time, data from eight,different tokamaks have been combined in an international database for internal transport barriers (ITBs). An analysis of the data for the formation of an ITB with dominant ion heating shows a clear dependence of the threshold power on the minor radius and line-averaged electron density for the formation of ion ITBs. The dependence of ITB formation on the toroidal magnetic field is weak. For the formation of ITBs with dominant electron heating, the database is smaller, but for the threshold power a strong increase with plasma size and a weak toroidal field dependence could also be identified. Based on these results, an expression for the power required to form an ITB is given using global variables only. These results give a basis for the analysis of the database using local values (like magnetic shear) and a detailed comparison with theory-based models.
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  • Fukuda, Hirotsugu, et al. (författare)
  • Irradiation-induced progenitor cell death in the developing brain is resistant to erythropoietin treatment and caspase inhibition
  • 2004
  • Ingår i: Cell Death Differ. - Univ Gothenburg, Dept Physiol, Perinatal Ctr, SE-40530 Gothenburg, Sweden. Osaka Univ, Sch Med, Dept Obstet & Gynecol, Suita, Osaka 5650871, Japan. Zhengzhou Univ, Affiliated Hosp 3, Dept Pediat, Zhengzhou 450052, Peoples R China. Uppsala Univ, Dept Neurosci, SE-75123 Uppsala, Sweden. Sahlgrens Univ Hosp, Dept Radiat Phys, SE-41345 Gothenburg, Sweden. H Lundbeck & Co AS, Mol Dis Biol, DK-2500 Copenhagen, Denmark. Sahlgrens Univ Hosp, Dept Oncol, SE-41345 Gothenburg, Sweden. Queen Silvia Childrens Hosp, Dept Pediat, SE-41685 Gothenburg, Sweden. : NATURE PUBLISHING GROUP. - 1350-9047 .- 1476-5403. ; 11:11, s. 1166-78
  • Tidskriftsartikel (refereegranskat)abstract
    • One hemisphere of postnatal day 8 (P8) rats or P10 mice was irradiated with a single dose of 4-12 Gy, and animals were killed from 2 h to 8 weeks after irradiation (IR). In the subventricular zone (SVZ) and the granular cell layer (GCL) of the dentate gyrus, harboring neural and other progenitor cells, nitrosylation and p53 peaked 2-12 h after IR, followed by markers for active caspase-3, apoptosis-inducing factor and TUNEL (6-24 h). Ki67-positive (proliferating) cells had disappeared by 12 h and partly reappeared by 7 days post-IR. The SVZ and GCL areas decreased approximately 50% 7 days after IR. The development of white matter was hampered, resulting in 50-70% less myelin basic protein staining. Pretreatment with erythropoietin did not confer protection against IR. Caspase inhibition by overexpression of XIAP prevented caspase-9 and caspase-3 activation but not cell death, presumably because of increased caspase-independent cell death.
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  • Resultat 1-7 av 7

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