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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 151 (1943), S. 107-107 
    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 ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 479-481 
    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 ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 408-408 
    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 ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 153 (1944), S. 141-142 
    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 ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 1078-1078 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AFTER reading the letter from Dr. R. C. Menzies in NATURE of Nov. 28, I wrote to him stating what I believe to be the cause of the orientation of the growing crystals at the liquid surface, and it is at his suggestion (letter dated Nov. 30) that I submit this note for publication. The ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 708-708 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAVE for some years been investigating the action of drugs on mammalian spermatozoa, under the auspices of the Birth Control Investigation Committee. Finding that certain drugs seemed to stimulate sperms to higher activity, I have recently made a special study of this problem. I have used ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 279-279 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE interesting observation recorded by Dr. C. J. Smithells in Nature of July 26 is not new. During the course of a long series of experiments on ‘metal colouring’ at the Birmingham Technical College about thirty years ago, it was found that copper articles, which had been coloured by immersion ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 149 (1942), S. 697-698 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PYKE1 has lately stated that when raw savoy cabbage was shredded by means of household shredders part of the ascorbic acid disappeared during the ensuing 5–10 minutes and thereafter no further loss occurred during three hours standing; the extent of the initial loss of ascorbic ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 149 (1942), S. 611-612 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN 1908 Regaud1 suggested that mitochondria were “corps lipoïdes”, and the following year2 he pointed out the general resemblance between the myelin of nerve fibres and the substance of mitochondria in their reactions to histological fixation and staining. The ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 149 (1942), S. 582-583 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BOTH the rumen in ruminant and the cæcum in non-ruminant Herbivora support an abundant iodophile microflora: that is, an association of taxonomically diverse species exhibiting, in consequence of the deposition within them of bacterial starch or granulose, the common characteristic of giving a ...
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