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  • Nature Publishing Group  (96)
  • American Physical Society (APS)
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  • 1
    Electronic Resource
    Electronic Resource
    The Vitamin Factor in Dental Caries (1932)
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 630-630 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Is there not a possibility that the vitamin factor i in the production of dental caries is unduly emphasised ? That malnutrition may precipitate and intensify decay of the teeth is beyond question, but exception may surely be taken to the inference that if the proper vitamins are present in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/130630b0
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  • 2
    Electronic Resource
    Electronic Resource
    ‘Raw’ Weather (1933)
    [s.l.] : Nature Publishing Group
    Nature 131 (1933), S. 515-515 
    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 January 7, the question is raised why moist cold air should feel ‘raw’. Sir Leonard Hill, in the same issue, gives an explanation very commonly accepted in physiological circles. May I direct attention to some comments on this topic made by me in the Journal of Physiology, vol. 57, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/131515a0
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  • 3
    Electronic Resource
    Electronic Resource
    Identity of the Abscission-accelerating Substance in Senescent Leaves (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1593-1593 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For clearness, it might be added that using bean explants for the bioassay, and testing a wide range of concentrations, no abscission-accelerating activity has been found for glucose, fructose, sucrose, glycine, aspartic and glutamic acids, L-valine, L-histidine, L-leucine, L-tyrosine, cysteine, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1831593a0
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  • 4
    Electronic Resource
    Electronic Resource
    Control of Leaf Senescence by Auxins (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1459-1460 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although mature parenchymatous tissues can often be stimulated experimentally into renewed growth and cell division by supplying an auxin, the changes which take place in highly differentiated cells, such as the mature mesophyll of the leaf, are normally irreversible and their senescence and death ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1831459a0
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  • 5
    Electronic Resource
    Electronic Resource
    Repetitive Stimulation of Muscle (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1798-1798 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In preliminary experiments, the frequency of stimulation was increased from 10/sec. to 330/sec., which was the maximum frequency the muscle would follow on indirect stimulation. Up to a frequency of approximately 140/sec., spike voltage and duration remained of normal dimensions, and the 1/2 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1811798a0
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  • 6
    Electronic Resource
    Electronic Resource
    Metamict Tantalite from Western Australia (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 248-248 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Palache, Berman and Frondel2 included this mineral in their treatment of the mineralogy of the tapiolite-mossite series, but clearly directed attention to the fact that the true status of the mineral is in doubt. Type material, very kindly made available to me by Mr. J. C. Hood, director of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180248a0
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  • 7
    Electronic Resource
    Electronic Resource
    Formation of Silicotic Tissue (1953)
    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 892-892 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Day2*3 has shown that the resistance of thin sheets of tissue to the passage of saline is markedly decreased when mucopolysaccharides are removed by hyalase hydrolysis, but that subsequent treatment with chondroitin sulphuric acid again reduces the tissue permeability. Using Day's technique, we ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/171892a0
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  • 8
    Electronic Resource
    Electronic Resource
    Response of Cobalt-deficient Sheep to Oral Administration of Penicillin (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 728-728 
    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 investigating the influence of such a treatment on the vitamin B12 and cobalt requirements of sheep. Two Kerry Hill wethers were obtained from a cobalt-deficient farm in Herefordshire, individually penned, and offered a daily ration of 200 gm. hay and concentrates, and water ad lib. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/173728a0
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  • 9
    Electronic Resource
    Electronic Resource
    Growth-regulating Activity of Certain 2:6-Substituted Phenoxyacetic Acids (1954)
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 742-742 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1. ACTIVITY OP SOME 2: 6-SUBSTITUTED PHENOXT ACIDS IS THE "WENT PEA CURVATURE TEST AND Avena EXTENSION GROWTH TEST. MEASUREMENTS AFTER 24 HOURS Split pea stems Avena coleoptile s Compound Optimum Max. degree curva- Optimum Max. ext. growth cone, (molar) ture cone, (molar) % of control ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/174742a0
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  • 10
    Electronic Resource
    Electronic Resource
    Marat and the Deflection of Light. (1920)
    [s.l.] : Nature Publishing Group
    Nature 105 (1920), S. 456-456 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CARLYLE'S vivid portraiture of Marat as “horse-leech” and savage revolutionist has rather obscured the fact that this “friend of the people” was a learned doctor of medicine, a physicist, and a physiologist. It is true that Carlyle refers to him as “Renovator of Human Science, Lecturer on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/105456d0
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