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  • 1980-1984  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 271 (1981), S. 127-133 
    ISSN: 1432-069X
    Keywords: Propionibacteria ; Porphyrins ; Propionibakterien ; Porphyrine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Von sechs verschiedenen Haut-bzw. Schleimhautarealen—einschließlich Akneläsionen—wurden Propionibakterien isoliert und hinsichtlich ihrer Porphyrinproduktion untersucht. Nach dem Wachstum der Organismen in verschiedenen Kulturmedien wurde die Quantität und Qualität der Porphyrine von jedem Ansatz einzeln bestimmt. Die von verschiedenen Akneläsionen isolierten Propionibakterien unterschieden sich von den von anderen Stellen gewonnenen in charakteristischer Weise; denn sie zeigten zum Unterschied von den anderen Propionibakterien unter verschiedenen Einflüssen ein einheitliches Verhalten und produzierten in dem von ihnen bevorzugten Kulturmedium nicht nur Koproporphyrin, sondern auch reichliche Mengen an Porphyrinen mit fünf bzw. sechs Carboxylgruppen.
    Notes: Summary Strains of Propionibacteria were isolated from six different areas of the dermis and the mucosa, respectively (including acne lesions) and investigated according to their production of porphyrins. After growing the organisms in different culture mediums the quantity and quality of porphyrins of each preparation were determined. The P. strains from several acne lesions were characteristically different from those isolated from other areas, since they showed, in contrast to the others, a uniform behavior when treated in various ways and produced in their favorite culture medium not only coproporphyrin but aslo rich amounts of porphyrins with five or six carboxyl groups, respectively.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 324 (1982), S. 761-768 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Determination of the Zero Field Parameters Optically Excited 3(π,π*)-States in Selected Aromatic SystemsExperimental zero field parameters of optically excited naphthalene and quinoxaline derivatives are presented. The (D*), (D) and (E) parameters are determined by the position of the transitions by means of simple approximation formula, magnetophotoselection and simulation of spectra. Possibilities of comparison of the zero field parameters of optically excited 3(π,π*)-states with parameters of ground state for simple aromatic hydrocarbones are presented.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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