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  • Chemistry  (3)
  • Analytical Chemistry and Spectroscopy  (1)
  • Cell & Developmental Biology  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 74 (1962), S. 155-155 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 103 (1980), S. 349-353 
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Adipocytes were isolated from the Wistar and Sprague-Dawley strains of rats of different ages. An impermeable reagent, mercury-[3H] dextran, was used to quantitate the sulfhydryl groups on the surface of these cells. The application of this reagent after the pre-reduction of cells with 2-mercaptoethanol yielded a measure of the total sulfhydryl and disulfide groups located there. Aging was found to significantly decrease the ratio of the number of exofacial sulfhydryl groups to the total number of exofacial sulfhydryl and disulfide groups.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The electron impact induced decomposition of 1,6-methano[10]annulene and of its bridge substituted derivatives has been investigated in view of a possible climination of a carbene and formation of ionized naphthalene. While carbene elimination is not observed with the parent hydrocarbon (〈0.5% rel. int.), it is a prominent fragmentation path for its 11-halogen and 11,11-dihalogen derivatives. Elimination of the bridge is observed also with 1,6-methano[10]annulenes carrying C-substituents at C-11. It cannot be determined, however, whether the neutral particle lost is a carbene or a rearranged species. The analogy between thermal and electron impact decomposition is commented upon.
    Notes: Der elektronenstoß-induzierte Zerfall von 1,6-Methano[10]annulen und Derivaten mit Brücken-Substituenten (11-Stellung) wurde im Hinblick auf die Möglichkeit untersucht, daß die Brücke unter gleichzeitiger Bildung von ionisiertem Naphthalin als Carben eliminiert wird. Während die Carbenabspaltung beim 1,6-Methano[10]annulen selbst nicht beobachtet wird (〈0,5% rel. Int.), ist diese bei seinen 11-Halogen- und 11,11-Dihalogen-Derivaten ein wichtiger Fragmentierungsweg. Komplette Eliminierung der Brücke wird auch bei 1,6-Methano[10]annulen mit C-Substituenten in 11-Stellung beobachtet, doch läß sich hier nicht entscheiden, ob die Brücke als Carben order als umgelagerte neutrale Spezies austritt. Auf die Parallelität zwischen thermischem und elektronenstoß-induzierten Verhalten der 1,6-Methano[10]annulene wird hingewiesen.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 1 (1962), S. 117-117 
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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