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  • 1
    Electronic Resource
    Electronic Resource
    X-Ray Photographs of Crystalline Pepsin (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 794-795 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOUR weeks ago, Dr. G. Millikan brought us some crystals of pepsin prepared by Dr. Philpot in the laboratory of Prof. The Svedberg, Uppsala. They are in the form of perfect hexagonal bipyramids up to 2 mm. in length, of axial ratio c/a = 2.3 ± 0.1. When examined in their mother liquor, they ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133794b0
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  • 2
    Electronic Resource
    Electronic Resource
    Use of the Centrifuge in Determining the Density of Small Crystals (1934)
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 809-810 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE accurate measurement of crystal density has recently acquired increased importance, since it is necessary to know this quantity in order to use X-ray methods for determining the molecular weights of unknown chemical substances. But the usual crystallographic methods of density measurement, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/134809b0
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  • 3
    Electronic Resource
    Electronic Resource
    Interaction of Radio Waves (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 218-218 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE phenomenon recently reported by Tellegen1 whereby the new broadcasting station at Luxembourg appears to interact with that portion of the carrier wave of the Beromunster station which is received in Holland, can be explained by taking into account the effect of such a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133218a0
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  • 4
    Electronic Resource
    Electronic Resource
    Positive Electron Tracks (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 23-24 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I. CURIE-JOLIOT, Anderson and Neddermeyer, Meitner and Philipp have been able to observe positive electrons produced by the hard γ-rays of thorium C″ in lead and other elements. An attempt to explain the phenomenon has been made by Oppenheimer and Plesset, who consider it as a kind of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133023a0
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  • 5
    Electronic Resource
    Electronic Resource
    A Suggested Explanation of β-Ray Activity (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 99-99 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN continuation of our letter on the above subject which was published in NATURE of November 11, 1933, p. 747, we wish to add the following remarks : We have changed the term ‘electrodivision of quantum’ used in that letter to ‘electrofission of quantum’. TFnder the intense electrical ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133099a0
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  • 6
    Electronic Resource
    Electronic Resource
    Structure of Collagen Fibres and the Point of Attack by Proteolytic Enzymes (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 102-103 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME recent work by Bergmann and his colleagues has shown that the action of trypsin on gelatin gels is limited to the surface of the gel1 and that the action on fresh collagen fibres is limited to the cut ends of the fibres2, the enzymes having apparently no power ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133102c0
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  • 7
    Electronic Resource
    Electronic Resource
    Longevity of Seeds (1934)
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 932-933 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE question of the longevity of buried seeds is always recurring, as. witness the recent revival of the fable of ‘mummy wheat’. There is abundant evidence that the embryo of the wheat grain perishes relatively soon, in ten years or less under ordinary conditions. Respiration goes on until the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/134932b0
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  • 8
    Electronic Resource
    Electronic Resource
    Infectivity of Summer Sporangia of Potato Wart Disease in Incipient Infections on Varieties Immune in the Field (1934)
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 253-253 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is known that a number of potato varieties which appear immune to wart disease (Synchytrium endobioticum) in the field develop incipient and transitory infections under the more intensive infection conditions in the laboratory. Investigation has shown that summer sporangia, and less often ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/134253a0
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  • 9
    Electronic Resource
    Electronic Resource
    Isomerism of Sucrose and Iso-Sucrose (1934)
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 143-143 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH an adequate constitutional formula for sucrose has been developed, attempts to verify this structure by synthesis have led to no success, the only crystalline product isolated being an isomeric disaccharide termed iso-sucrose. Presumably the isomerism resides in the α or β ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/134143a0
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  • 10
    Electronic Resource
    Electronic Resource
    Lipolysis as a Source of Mitogenetic Radiation (1934)
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 536-536 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AMONG the fermentative systems studied mitogenetically, the processes of glyceride hydrolysis, an important and widespread reaction in organisms, have hitherto not been examined. I have therefore examined lipolysis as a source of radiation. The methods of investigation are fully described in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/134536d0
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