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  • 1
    Electronic Resource
    Electronic Resource
    A New Trio1 from the Urine of Pregnant Mares (1933)
    [s.l.] : Nature Publishing Group
    Nature 132 (1933), S. 102-102 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENTLY, Dr. André Girard very kindly placed at our disposal a large quantity of an extract of the urine of pregnant mares from which the keto-hydroxyœstrin had been previously removed. Attempts to isolate from the neutral fraction of this extract, the sterol degradation product pregnandiol, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/132102a0
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  • 2
    Electronic Resource
    Electronic Resource
    Growth in Muscle (1933)
    [s.l.] : Nature Publishing Group
    Nature 132 (1933), S. 172-172 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the growth of the eye muscles of plaice, I have made an observation which may concern the general problem of muscular development. When transverse sections were taken of the head of a young plaice 4 cm. long, its internal rectus was seen to consist of 42 distinct fibres. Similar sections ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/132172a0
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  • 3
    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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  • 4
    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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  • 5
    Electronic Resource
    Electronic Resource
    Absorption Spectrum of Vitamin A at Low Temperatures (1933)
    [s.l.] : Nature Publishing Group
    Nature 131 (1933), S. 582-583 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE have been trying to devise more precise physical criteria for the recognition of biologically important molecules. Obviously, the only ultimate test for such a molecule is its action on living organisms. Physical tests can, however, be used as a guide to decide whether it is worth while to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/131582c0
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  • 6
    Electronic Resource
    Electronic Resource
    Crystal Structure of Vitamin B 1 and of Adenine Hydrochloride (1933)
    [s.l.] : Nature Publishing Group
    Nature 131 (1933), S. 911-912 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CRYSTALS of vitamin B1 (hydrochloride) from various sources have been examined. All have been found to be substantially identical in form and X-ray patterns. A very slight difference in optical properties may, however, point to the existence of a variable amount of impurity in solid ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/131911b0
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  • 7
    Electronic Resource
    Electronic Resource
    The Expanding Universe (1932)
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 507-508 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN NATURE of July 2, Prof. Milne has published a very simple and attractive explanation of the phenomenon that has given rise to so much speculation among recent cosmogonists. The sole defect in his clear analysis is that the material particles that form the universe are taken initially to have ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/130507b0
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  • 8
    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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  • 9
    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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  • 10
    Electronic Resource
    Electronic Resource
    Dynamics and Mechanism of Aliphatic Substitutions (1933)
    [s.l.] : Nature Publishing Group
    Nature 132 (1933), S. 933-934 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SHORT time ago we showed in conjunction with Dr. C. S. Patel1 that the known facts concerning reactions of the type of the hydrolysis of ammonium cations (‘Reaction B’) could be accommodated by the assumption of a dual mechanism: the reaction could be either bimolecular (B 2), ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/132933b0
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