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  • 2000-2004  (3)
  • 1980-1984
  • 1935-1939
  • 2001  (3)
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  • 2000-2004  (3)
  • 1980-1984
  • 1935-1939
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  • 1
    Electronic Resource
    Electronic Resource
    Cutaneous lymphocyte-associated antigen (CLA) expression in a lymphoblastoid mantle cell lymphoma presenting with skin lesions. Comparison with other clinicopathologic presentations of mantle cell lymphoma (2001)
    Copenhagen : Munksgaard International Publishers
    Journal of cutaneous pathology 28 (2001), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background: Cutaneous lymphocyte-associated antigen (CLA) is a lymphocyte homing receptor selectively expressed by T cells of the cutaneous immune system and their malignant counterpart, that is to say, cutaneous T-cell lymphomas. However it is absent in the vast mayority of other T-cell malignancies and B-cell lineage lymphomas irrespective on primary tumor site.Methods: Expression of CLA was investigated on six cases of mantle cell lymphoma (MCL) which differed in their histopathological subtype (typical or blastic) and their tendency to infiltrate skin and/or central nervous system (CNS).Results: CLA immunostaining on neoplastic cells was only observed in a 61-year-old female suffering from a lymphoblastoid MCL which clinically presented with specific skin lesions and further developped CNS disease. In this patient, coexpression of CLA with MCL markers (CD20 and CD5) was confirmed by conventional immunohistochemistry and double immunofluorescence studies.Conclusions: To our knowledge, CLA immunoreactivity on B-cell lymphomas has not beeen previously reported. The expression of this skin-related adhesion molecule on malignant MCL cells could explain the clinical behavior of our case which presented and relapsed with cutaneous lesions. However, CLA seems not to be a MCL marker nor a CNS-related adhesion molecule. The authors review the clinical and histopathological characteristics of MCL-specific skin lesions and their diagnostic clues based on cell morphology, immunohistochemistry and molecular investigations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0560.2001.028005256.x
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of temperature on epidemiological parameters of Puccinia lagenophorae (2001)
    Oxford, UK : Blackwell Science Ltd
    Plant pathology 50 (2001), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The effect of temperature on latent period and aeciospore production of Puccinia lagenophorae on Senecio vulgaris was determined in small-scale experiments under controlled conditions. A clear effect of temperature on latent period was demonstrated. Latent period decreased exponentially with increasing temperature. Both total aeciospore production and net reproductive number increased linearly with increasing temperature in a range from 10 to 22°C. The three parameters were incorporated in models to determine the effect of temperature on epidemic development. The present study suggests an increase in the exponential growth rate, r, and the velocity of focus expansion, V, with temperature. This increase in epidemic development was caused mainly by the effect of temperature on latent period and on net reproductive number. The effect of temperature on the sporulation curve appeared to be less important.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3059.2001.00533.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Recombination of U 92 + ions with electrons (2001)
    Springer
    The European physical journal 15 (2001), S. 145-154 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 34.80.Lx Electron-ion recombination and electron attachment – 29.20.Dh Storage rings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Recombination of fully stripped U92+ ions with electrons has been investigated at the Experimental Storage Ring (ESR) in Darmstadt. Absolute recombination rate coefficients have been measured for relative energies from 0 to 33 eV. For energies greater than 20 meV the experimental result is well described by the theory for radiative recombination (RR). Below 20 meV the experimental rate increasingly exceeds the RR calculation as observed previously in the recombination of light bare ions as well as of Bi83+. This low-energy rate enhancement is shown to scale as Z2.6 for bare ions, where Z is the atomic number of the ion. The U92+ recombination rate enhancement is insensitive to changes of the electron density. Variation of the magnetic guiding field strength from 80 mT to 120 mT resulted in oscillations of the recombination rate at 0 eV. The oscillations are partly attributed to changes of the transverse electron temperature accompanying the change of the magnetic guiding field strength; partly they may be caused by uncompensated small changes of the interaction angle between the two beams.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100530170160
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    Paper (German National Licenses)
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