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  • Articles: DFG German National Licenses  (8)
  • 34.80.D  (3)
  • doping  (3)
  • FasL  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Cd30-ligand and CD40-ligand expression in lymph nodes involved with Hodgkin's disease (1997)
    Springer
    Annals of oncology 8 (1997), S. 97-100 
    Details
    ISSN: 1569-8041
    Keywords: CD30L ; CD40L ; FasL ; Hodgkin's disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Reed–Sternberg cells of Hodgkin's disease express CD30and CD40 receptors. The ligands for these receptors have been reported tohave pleiotropic biologic activities in vitro, including induction of celldeath. Expression of the ligands for these receptors in lymph nodes involvedwith Hodgkin's disease is not known. Purpose: The purpose of this study was to examine CD30 ligand (L) andCD40L expression in lymph nodes of patients with Hodgkin's disease, and tostudy CD30L expression on nodal lymphocyte subsets. Materials and methods: CD30L expression on subsets of lymphocytes of fivelymph nodes involved with Hodgkin's disease was determined by two-colorFACScan. Messenger RNA expression of CD30L and CD40L was determined by thereverse-transcriptase polymerase chain reaction (RT-PCR) method performed onseven specimens involved with Hodgkin's disease (five lymph nodes and twospleens). Results: Four of seven specimens (57%) contained cells thatexpressed CD30L mRNA and three specimens (43%) containedCD40L-expressing cells. The mean percentage of nodal lymphocytes expressingCD30L surface protein was ≤20%. Conclusion: Hodgkin's disease lymph nodes and spleens frequently lackCD30L- and CD40L-expressing cells, and when CD30L is expressed, it is usuallydetected on few numbers of lymphocytes. The differences in the level ofexpression of these ligands in Hodgkin's disease lymph nodes may be relatedto the disease's clinical behavior.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008250820588
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cd30-ligand and CD40-ligand expression in lymph nodes involved with Hodgkin's disease (1997)
    Springer
    Annals of oncology 8 (1997), S. 97-100 
    Details
    ISSN: 1569-8041
    Keywords: CD30L ; CD40L ; FasL ; Hodgkin's disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Reed–Sternberg cells of Hodgkin's disease express CD30and CD40 receptors. The ligands for these receptors have been reported to have pleiotropic biologic activities in vitro, including induction of cell death. Expression of the ligands for these receptors in lymph nodes involved with Hodgkin's disease is not known. Purpose: The purpose of this study was to examine CD30 ligand (L) andCD40L expression in lymph nodes of patients with Hodgkin's disease, and to study CD30L expression on nodal lymphocyte subsets. Materials and methods: CD30L expression on subsets of lymphocytes of five lymph nodes involved with Hodgkin's disease was determined by two-color FACScan. Messenger RNA expression of CD30L and CD40L was determined by there verse-transcriptase polymerase chain reaction (RT-PCR) method performed on seven specimens involved with Hodgkin's disease (five lymph nodes and two spleens). Results: Four of seven specimens (57%) contained cells that expressed CD30L mRNA and three specimens (43%) containedCD40L-expressing cells. The mean percentage of nodal lymphocytes expressingCD30L surface protein was ≤20%. Conclusion: Hodgkin's disease lymph nodes and spleens frequently lackCD30L- and CD40L-expressing cells, and when CD30L is expressed, it is usually detected on few numbers of lymphocytes. The differences in the level of expression of these ligands in Hodgkin's disease lymph nodes may be related to the disease's clinical behavior.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008250820588
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Substitution Effect of Sn for Cu in the Bi2Sr2CaCu2−xSnxO8+δ System (2000)
    Springer
    Journal of superconductivity 13 (2000), S. 137-139 
    Details
    ISSN: 1572-9605
    Keywords: Bi-based superconductor ; doping ; XPS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract The Bi2Sr2CaCu2O8+δ system samples doped with Sn on Cu sites were synthesized. Resistivity temperature dependence, X-ray powder diffraction and photoemission experiments have been performed. Suppression of superconductivity in the Sn-doped Bi2Sr2CaCu2O8+δ system has been observed. X-ray photoemission measurements show that Sn ion enters the lattice. Our results reveal that Sn ions are mostly in bivalent states.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007794613891
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Substitution Effect of Pr for Ca in Bi2Sr2CaCu2O8+δ System (2000)
    Springer
    Journal of superconductivity 13 (2000), S. 603-606 
    Details
    ISSN: 1572-9605
    Keywords: Bi-based superconductivity ; doping ; XRD ; XPS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract The Bi2Sr2CaCu2O8+δ system samples doped with Pr on Ca sites were synthesized. Resistivity temperature dependence, X-ray powder diffraction, and photoemission experiments have been performed. Both X-ray diffraction and photoemission measurements show that Pr ion enters the lattice with a valence higher than 3+, which supports the hole-filling mechanism of the suppression of superconductivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007881002778
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    XRD and PES Studies of the Bi2Sr2Ca1−xPrxCu2O8+δ System (2000)
    Springer
    Journal of superconductivity 13 (2000), S. 565-568 
    Details
    ISSN: 1572-9605
    Keywords: Bi-based superconductor ; doping ; PES ; XRD
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract The Bi2Sr2CaCu2O8+δ system samples doped with Pr on Ca sites were synthesized. Resistivity measurements, x-ray powder diffraction, and photoemission experiments were performed. The experiment results show that Pr ions entered the lattice and chemical environment plays a major role in the shift of core-level spectra and valence-band spectra.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007868700052
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Absolute triple differential cross sections for helium at 300 eV (1992)
    Springer
    The European physical journal 23 (1992), S. 341-345 
    Details
    ISSN: 1434-6079
    Keywords: 34.80.D
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Absolute triple differential cross sections for the ionisation of He by electrons with energies near 300 eV have been measured in asymmetric conditions. The kinematics of the experiment select ionising events which belong to the intermediate regime of energy and momentum transfer. The experiments are compared with the distorted wave Born approximation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429255
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Absolute triple differential cross-section measurements in energy sharing kinematics and a coplanar asymmetric geometry at 100 and 200 eV on He (1992)
    Springer
    The European physical journal 23 (1992), S. 347-351 
    Details
    ISSN: 1434-6079
    Keywords: 34.80.D
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Results of measurements for electron impact ionization of atomic helium are reported for energy-sharing kinematics in a coplanar asymmetric geometry. Incident energies of 100 eV and 200 eV are considered and comparison with previous experiments in fully symmetric kinematics allows the results to be put on an absolute scale. The cross-sections are compared with those obtained from two variants of the distorted wave Born approximation (DWBA) model. Good general agreement is obtained for the form of the angular distributions. The absolute magnitude of the cross sections is however not compatible with the choice of half-on-shell Coulomb T-Matrix currently used in the distorted wave impulse and related approximations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429256
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Electron impact ionization of the noble gases in coplanar symmetric geometry over the energy range 100 to 1000 eV (1991)
    Springer
    The European physical journal 18 (1991), S. 309-310 
    Details
    ISSN: 1434-6079
    Keywords: 34.80.D
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Distorted-wave Born approximation calculations are reported for electron impact ionization of He, Ne, Ar, Kr and Xe in coplanar symmetric geometry at energies of 100, 500 and 1000 eV. Of special interest is double scattering effect at large angles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426591
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    Paper (German National Licenses)
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