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Träfflista för sökning "WFRF:(Hanson J) srt2:(1995-1999)"

Search: WFRF:(Hanson J) > (1995-1999)

  • Result 11-13 of 13
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11.
  • Krogh Andersen, A.M., et al. (author)
  • Preparation and Characterization of a New 3-Dimensional Zirconium Hydrogen Phosphate, τ-Zr(HPO4)2; Determination of the Complete Crystal Structure Combining Synchrotron X-ray Single Crystal Diffraction and Neutron Powder Diffraction.
  • 1998
  • In: Inorganic chemistry. - : American Chemical Society. - 1520-510X .- 0020-1669. ; 37:5, s. 876-881
  • Journal article (peer-reviewed)abstract
    • A new 3-dimensional zirconium hydrogen phosphate, τ-Zr(HPO4)2, was prepared by hydrothermal syntheses. The preparation, characterization, and determination of the crystal structure of this new material are reported. The structure was solved from single-crystal synchrotron diffraction on a 25 × 25 × 50 μm crystal. The position of the hydrogen atom was found using high-resolution neutron powder diffraction data. The unit cell is tetragonal, space group I41cd (No. 110), with lattice parameters a = 11.259(1) Å, c = 10.764(1) Å, and Z = 8. The structure can be described as a 3-dimensional framework built from ZrO6 octahedra bound together by hydrogen phosphate groups (PO3(OH)). The OH groups form a hydrogen-bonded spiral along the 41 axes, with each hydrogen phosphate both donating and accepting hydrogen bonds. The thermal transformations of τ-Zr(HPO4)2 were studied using in-situ temperature-resolved powder diffraction experiments. Hereby the existence of two new phases was discovered. The new phases have been indexed and the unit cell parameters are as follows. Intermediate I:  a = 8.172(1), b = 7.691(1), and c = 10.794(2) Å. Intermediate II: a = 8.283(2), b = 6.620(2), and c = 10.643(2) Å.
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12.
  • Köpf, J, et al. (author)
  • Action of interferon alpha and beta on four human melanoma cell lines in vitro.
  • 1996
  • In: Anticancer research. - 0250-7005. ; 16:2, s. 791-798
  • Journal article (peer-reviewed)abstract
    • Four human melanoma cell lines with different copy numbers of chromosomes 9 and 21q, as studied by the G-band technique, fluorescent in situ hybridisation (FISH) and Polymerase chain reaction (PCR), were tested for their sensitivity to Interferon-alpha (IFN-alpha) and Interferon-beta (IFN-beta) in relation to dosage of interferon genes (#9) and interferon receptor genes (#21p). The two most sensitive cell lines were those containing the highest numbers of #9 per cell, while the number of #21q copies (receptor genes) seemed to have no influence on the interferon sensitivity.
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  • Result 11-13 of 13

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