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  • Inorganic Chemistry  (7)
  • Exobiology  (3)
  • Amoeba proteus  (2)
  • Organic Chemistry  (2)
  • 11
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 256 (1948), S. 239-252 
    ISSN: 0372-7874
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1Es werden die Zustandsdiagramme von: Aluminium/Indium, Gallium-Thallium, Gallium/Silicium, Gallium/Germanium, Indium/Silicium, Indium/Germanium, Thallium/Germanium bestimmt.2Die von Valentiner und Mitarbeitern bearbeiteten Zustandsdiagramme des Indiums mit Thallium, Zinn und Blei werden, zum Teil auf Grund neuer Versuche, erörtert.3Es wird das Verhalten der Elemente der III. Gruppe zueinander wie zu den Elementen der IV. Gruppe besprochen. Es ergibt sich, daß die Elemente der III. Gruppe sowohl in der Tendenz zur Verbindungsbildung als auch in der Neigung zur Mischbarkeit ein Minimum aller Gruppen darstellen.4Es wird eine einfache Heizkamera beschrieben.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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  • 12
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    In:  Other Sources
    Publication Date: 2011-08-24
    Description: Proposals for continuing the search for extant life on Mars are primarily predicated on the assumption that specialized environmental niches that could support a biota may exist on the planet. Before attempting any critical tests for extant organisms, either in situ or on returned samples, it is imperative to determine whether any such sites actually exist. If, through remote sensing and landed instrumentation, sites of potential biological interest are discovered and characterized, biological tests can then more effectively be planned to elicit the presence of organisms that are adapted to living in these particular environments.
    Keywords: Exobiology
    Type: Icarus (ISSN 0019-1035); Volume 120; 431-6
    Format: text
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  • 13
    Publication Date: 2019-07-13
    Description: No abstract available
    Keywords: Exobiology
    Type: Analytical chemistry (ISSN 0003-2700); 67; 19; 605A-610A
    Format: text
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  • 14
    Publication Date: 2019-07-13
    Description: The mechanism for synthesis of monounsaturated fatty acids under aerobic and anaerobic conditions was studied in the facultative anaerobic cyanobacterium, Oscillatoria limnetica. The hexadecenoic acid (C16:1) of aerobically grown O. limnetica was shown to contain both the delta 7 (79%) and delta 9 (21%) isomers, while the octadecenoic (C18:1) acid was entirely the delta 9 acid. Incorporation of [2-14C] acetate into the fatty acids under aerobic conditions resulted in synthesis of the delta 7 and delta 9 C16:1 and the delta 9 C18:1. Synthesis of unsaturated fatty acids in the presence of DCMU required sulfide. Anaerobic incubations in the presence of DCMU and sulfide (less than 0.003% atmospheric oxygen) resulted in a two-fold increase in monounsaturated fatty acids of both delta 7 and delta 9 C16:1 and delta 9 and delta 11 C18:1. The synthesis of these is characteristic of a bacterial-type, anaerobic pathway.
    Keywords: Exobiology
    Type: Archives of microbiology (ISSN 0302-8933); 152; 215-7
    Format: text
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