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Träfflista för sökning "WFRF:(Kim S. S.) srt2:(1995-1999)"

Sökning: WFRF:(Kim S. S.) > (1995-1999)

  • Resultat 1-10 av 35
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1.
  • Dunham, I, et al. (författare)
  • The DNA sequence of human chromosome 22
  • 1999
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 402:6761, s. 489-495
  • Tidskriftsartikel (refereegranskat)
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2.
  • Andrés, E. C., et al. (författare)
  • The AMANDA neutrino telescope
  • 1999
  • Ingår i: Nuclear physics B, Proceedings supplements. - 0920-5632 .- 1873-3832. ; 77:1-3, s. 474-485
  • Tidskriftsartikel (refereegranskat)abstract
    • With an effective telescope area of order 104 m2 for TeV neutrinos, a threshold near ∼50 GeV and a pointing accuracy of 2.5 degrees per muon track, the AMANDA detector represents the first of a new generation of high energy neutrino telescopes, reaching a scale envisaged over 25 years ago. We describe early results on the calibration of natural deep ice as a particle detector as well as on AMANDA's performance as a neutrino telescope.
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  • Andres, E., et al. (författare)
  • AMANDA : Status, results and future
  • 1999
  • Ingår i: Proceedings, 8th International Workshop, Venice, Italy, February 23-26, 1999. Vol. 1, 2. ; , s. 63-79
  • Konferensbidrag (refereegranskat)abstract
    • We review the status of the AMANDA neutrino telescope. We present resultsobtained from the four-string prototype array AMANDA-B4 and describe themethods of track reconstruction and neutrino event separation. We give also firstresults of the analysis of the 10-string detector AMANDA-B10, in particular onatmospheric neutrinos and the search for magnetic monopoles. We sketch thefuture schedule on the way to a cube kilometer telescope at the South Pole,ICECUBE.
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8.
  • Wischnewski, R., et al. (författare)
  • The AMANDA neutrino detector
  • 1999
  • Ingår i: Nuclear physics B, Proceedings supplements. - : Elsevier. - 0920-5632 .- 1873-3832. ; 75:1-2, s. 412-414
  • Tidskriftsartikel (refereegranskat)abstract
    • The first stage of the AMANDA High Energy Neutrino Detector at the South Pole, the 302 PMT array AMANDA-B with an expected effective area for TeV neutrinos of ∼ 104 m2, has been taking data since 1997. Progress with calibration, investigation of ice properties, as well as muon and neutrino data analysis are described. The next stage 20-string detector AMANDA-II with ∼800 PMTs will be completed in spring 2000.
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9.
  • Choi, S. D., et al. (författare)
  • Binding Mode of [Ruthenium(II) (1,10-Phenanthroline)2L]2+ with Poly(dT*dA-dT) Triplex. Ligand Size Effect on Third-Strand Stabilization
  • 1997
  • Ingår i: Biochemistry. - : American Chemical Society (ACS). - 1520-4995 .- 0006-2960. ; 36:1, s. 214-223
  • Tidskriftsartikel (refereegranskat)abstract
    • The binding of homochiral [Ru(II)(1,10-phenanthroline)(2)L](2+) complexes {where L = 1,10-phenanthroline (phen), dipyrido[3,2-a:2',3'-c]phenazine (DPPZ) or benzodipyrido[3,2-a:2',3'-c]phenazine (BDPPZ)} to poly(dT*dA-dT) triplex has been investigated by linear and circular dichroism and thermal denaturation. Analysis of the linear dichroism spectra indicates that the extended DPPZ and BDPPZ ligands lie approximately parallel to the base-pair and base-tripler planes consistent with intercalation which is also supported by strong hypochromism in the interligand absorption bands with either duplex or tripler. The spectral properties of any of the metal complex enantiomers were similar for binding to either duplex or tripler DNA, indicating that the third strand, which occupies the major groove of the template duplex, has little effect on the binding geometries and hence supports the hypothesis that the metal complexes all bind from the minor groove with the DPPZ and BDPPZ ligands intercalated but without intercalation in the case of [Ru(phen)(3)](2+). Third-strand stabilization depended on the nature of the third substituted phenanthroline chelate ligand but was not directly related to its size, with stabilizing power increasing in the order phen
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10.
  • Son, G.S., et al. (författare)
  • Binding Mode of Norfloxacin to Calf Thymus DNA
  • 1998
  • Ingår i: Journal of the American Chemical Society. - : American Chemical Society (ACS). - 1520-5126 .- 0002-7863. ; 120:26, s. 6451-6457
  • Tidskriftsartikel (refereegranskat)abstract
    • Norfloxacin, a quinolone antibacterial reagent, has been studied with respect to its binding to calf thymus DNA using fluorescence and linear dichroism techniques and unwinding of supercoiled DNA. The fluorescence of norfloxacin is strongly quenched in the presence of DNA and using this decrease in a fluorescence titration the equilibrium constant of the complex formation was established to be 2.8 x 10(3) M-1. The electric transition moments of the norfloxacin chromophore have been analyzed using fluorescence anisotropy, magnetic circular dichroism, and linear dichroism in stretched poly(vinyl alcohol) film and INDO/S calculations. These data are then used to interpret flow linear dichroism results for the norfloxacin-DNA complex. The transition moments for the long-wavelength transitions are found to be oriented at about 65.0-85.0 degrees with respect to the DNA helix axis. A near perpendicular orientation of the norfloxacin chromophore plane makes it possible to exclude classical groove or surface binding modes. The possibility of a classical intercalation binding mode also can be ruled out from unwinding experiments. However, it is shown that the molecular plane of norfloxacin is near perpendicular relative to the DNA helix axis with a possibility of a bending of the DNA helix at the binding site.
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  • Resultat 1-10 av 35

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