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  • 1985-1989  (2)
  • 1980-1984
  • 1970-1974  (1)
  • 21.10  (1)
  • Centroblastic lymphoma  (1)
  • Chemistry  (1)
  • 1
    ISSN: 1432-1440
    Keywords: Thyroid lymphoma ; B-CLL ; Centroblastic lymphoma ; Immunohistochemistry ; Gene rearrangement analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A 67-year-old woman suffering since 5 years from a so far nontreated B-CLL underwent hemithyroidectomy for a rapidly enlarging tumor. Histologically, the coincidence of a centroblastic lymphoma and thyroidal infiltration by the CLL was diagnosed. Immunohistology revealed typical immunoprofils for both, B-CLL and centroblastic lymphoma on the background of B cell differentiation antigens. The bitypical immunoglobulin light chain expression — λ on the B-CLL cells and κ on the centroblasts — suggested biclonality. This was confirmed by gene rearrangement analysis of peripheral leukemia cells and tumor tissue. Thus, the final diagnosis of a primary thyroidal lymphoma of the centroblastic type (stage IE) arising independently from a preexisting B-CLL was achieved. Consequently, the patient received local radiotherapy. In our opinion, the designation “Richter's Syndrome”, readily applied in the literature, is inappropriate for this tumor constellation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 323 (1986), S. 41-45 
    ISSN: 1434-601X
    Keywords: 21.10 ; 21.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We calculate ground-state properties of nuclei in the Z≧100 region. The most stable superheavy elements are predicted for lower neutron number than in previous investigations, namely 110 288 X and 110 290 X, both with a calculated half-life of around 200 days. A new feature is a local minimum in the ground-state shell correction at Z=110 andN=162. Elements in this region are therefore expected to show increased stability relative to some earlier expectations.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 410 (1974), S. 165-178 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Surface Composition, Solubility, and the Ion Activity Product of Calcite in Solutions with Auxiliary IonsUsing the method of simultaneous ion and isotope exchange the chemical composition of the surface layer of calcite powder in equilibrium with solutions of varying Me/Ca molar ratios is determined (Me = Mg2+, Co2+, Ni2+, and Fe2+ ions). The ion exchange isotherms show a marked bend in the surface reactivity when a surface molar ration of ∼1 and ∼3 is reached. The solubility of calcite initially decreases on the addition of Co2+ or Ni2+ ions to the solution whereas it increases in the presence of Mg2+ or Fe2+ ions. The activity product of the pseudo compound, CaxMe(1-x)CO3, decreases in the Ni2+, Co2+ or Fe2+ exchange experiments, however, it increases considerably in those with Mg2+ ions.
    Notes: Mit der Methode des gleichzeitigen Ionen- und Isotopenaustausches wird die chemische Zusammensetzung der Oberfläche eines Calcitpulvers im Gleichgewicht mit Lösungen verschiedener Me/Ca- Verhältnisse bestimmt (Me = Mg2+, Co2+, Ni2+, Fe2+). Alle Austauschisothermen zeigen eine deutliche Änderung der Oberflächenreaktivität, wenn eine Zusammensetzung auf der Oberfläche von (Me/Ca)Obfl.∼1 und ∼3 erreicht wird. Die Löslichkeit des Calcits nimmt anfänglich bei Zugabe von Co2+ oder Ni2+ ab, während sie bei Mg2+ oder Fe2+ im ganzen Bereich der Untersuchung zunimmt. Das Ionenaktivitätsprodukt für die „Pseudoverbindung“ in der Oberfläche nimmt in den Ni2+-, Co2+- und Fe2+-Austauschexperimenten ab, in Gegenwart von Mg2+-Ionen jedoch zu.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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