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  • Nature Publishing Group  (29)
  • University of Chicago Press  (4)
  • 1940-1944  (22)
  • 1935-1939  (11)
  • 1
    Electronic Resource
    Electronic Resource
    Penicillamine, a Characteristic Degradation Product of Penicillin (1943)
    [s.l.] : Nature Publishing Group
    Nature 151 (1943), S. 107-107 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE noticed more than nine months ago that acid hydrolysates of penicillin gave a strong blue-violet coloration with the ninhydrin reagent. Afterwards it was found that, under standardized conditions of hydrolysis, the colour intensity given by numerous penicillin preparations of varying degrees ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/151107a0
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  • 2
    Electronic Resource
    Electronic Resource
    Microbial Factors in the Digestive Assimilation of Starch and Cellulose in Herbivora (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 479-481 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MICROBIAL processes are directly concerned in the digestive assimilation by Herbivora of the starch and crude fibre components of their diet. In ruminants the rumen and in non-ruminants the caecum is the chief focus of these activities. Great diversity of opinion, however, exists in regard to the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150479a0
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  • 3
    Electronic Resource
    Electronic Resource
    Scientific Literature for Enemy Prisoners of War (1942)
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 408-408 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SMALL organization has recently been formed1 for the purpose of sending copies of scientific papers to scientists who are enemy prisoners of war in British hands. The idea is to keep alive the spirit of discovery, so that imprisoned enemy scientists may be helped to remain ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/150408b0
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  • 4
    Electronic Resource
    Electronic Resource
    Aerial Disinfection (1944)
    [s.l.] : Nature Publishing Group
    Nature 153 (1944), S. 141-142 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE letter from workers at the National Institute of Medical Research1 was of interest to us, as we also find that lactic acid is an effective bactericidal aerosol, when the test organism is C. xerosis, emulsified in sterile saliva. Bechhold2 long ago advocated the use of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/153141b0
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of Visible Rays on Bacterial Growth (1936)
    [s.l.] : Nature Publishing Group
    Nature 137 (1936), S. 111-112 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I NOTE with great interest that experimental work is being done to investigate the effect of visible rays on bacterial growth. During a course of lectures I gave at the Royal Institution in 1911, I showed specimens of B. prodigiosus which I had subcultivated for several generations in a narrow ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/137111c0
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  • 6
    Electronic Resource
    Electronic Resource
    A Note on Stereoscopic Photography (1935)
    [s.l.] : Nature Publishing Group
    Nature 136 (1935), S. 193-193 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is sometimes stated that in the stereoscopic photography of near objects it makes no difference at all to the images whether the cameras are placed parallel to one another, or convergent upon the object. In Fig. 1 the object to be photographed has three distinct points upon it, A, B and C. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/136193a0
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  • 7
    Electronic Resource
    Electronic Resource
    Stereoscopic Photography (1935)
    [s.l.] : Nature Publishing Group
    Nature 136 (1935), S. 551-551 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN looking at a near object, the eyes are turned inwards. Therefore to procure a really natural stereoscopic view of two photographs of a near object, the eyes should be turned inwards at the same angle. To achieve this, the two photographs should be mounted in such a way that the corresponding ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/136551b0
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  • 8
    Electronic Resource
    Electronic Resource
    Disintegration of Cell-Wall Substances in the Gastro-Intestinal Tract of Herbivora (1938)
    [s.l.] : Nature Publishing Group
    Nature 141 (1938), S. 877-878 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE process of cellulose digestion in herbivora, in addition to its economic importance, throws considerable light on a number of cognate biological topics. Biochemical aspects of the problem have received considerable attention. Pure cultural investigations have been attempted though it is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/141877b0
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  • 9
    Electronic Resource
    Electronic Resource
    Increasing Winter Egg-Production in Spain more than a Hundred Years Ago (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 477-477 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN announcing in 1932l that the reproduction of a mammal (Microtus) could be controlled by the duration of artificial illumination, R. M. Ranson and I published a statement that lights were used in poultry-houses in Spain more than a century ago for the purpose of increasing ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143477b0
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  • 10
    Electronic Resource
    Electronic Resource
    Light and Breeding Seasons (1937)
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 414-414 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has recently been shown by Marshall and Bowden1 that not only duration but also intensity of illumination can affect the onset of a breeding season, and that ultra-violet as well as visible light is effective. These discoveries have an important bearing on seasonal phenomena ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/139414a0
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