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  • 1
    Electronic Resource
    Electronic Resource
    Identification of p -Cresol as a Toxin in Œstrogen Concentrates from Sheep Urine (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 269-269 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To detect oestrogenic activity it was necessary to inject the extract from a large volume of sheep urine, an injection of 0-1 ml. of the final oily extract corresponding to as much as 70 ml. of urine. Since the usual extraction methods for oestrogen, including that used1, would be expected to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/166269a0
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  • 2
    Electronic Resource
    Electronic Resource
    The salmon, the lungfish and the cow:(reply) (1979)
    [s.l.] : Nature Publishing Group
    Nature 277 (1979), S. 176-176 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] B. HALSTEAD AND COLLEAGUES REPLY : The mutual relations of salmon (an actinopterygian), lung-fish (a dipnoan) and cow (a mammal, a class which can be traced back to rhipidistian crossopterygians by way of reptiles and amphibians) are cer-tainly worthy of serious considera-tion. Gardiner et al. draw ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/277176a0
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  • 3
    Electronic Resource
    Electronic Resource
    Hepatotoxic Substance in Brachyglottis repanda (1967)
    [s.l.] : Nature Publishing Group
    Nature 214 (1967), S. 1255-1256 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Examination of various parts of the plant has confirmed the presence of alkaloids not exceeding 0-02 per cent on a dry weight basis. A principal component is sen-kirkine, previously isolated from Senecio kirkii7. There is less senecionine and there are at least two other allied bases which are the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2141255a0
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  • 4
    Electronic Resource
    Electronic Resource
    A New Technique for the Production of Synthetic Corundum (1961)
    [s.l.] : Nature Publishing Group
    Nature 191 (1961), S. 901-902 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The hydrothermal growth of corundum has been accomplished (ref. 2 and Butcher, J., private communication, Hirst Research Centre of the General Electric Co., Ltd.), but considerable difficulties are involved in the production of good-quality crystals. It is necessary, for example, to work under ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/191901a0
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  • 5
    Electronic Resource
    Electronic Resource
    Regular Inclusion Pattern in Crystals (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 799-800 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Hexamine crystallizes from aqueous solution as regular dodecahedra although often with rounded faces. In the present instance the crystals were obtained by evaporating solution under vacuum at 4060 C with occasional stirring. Many crystals in the batch showed the same symmetrical pattern of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/199799a0
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  • 6
    Electronic Resource
    Electronic Resource
    Lungworms ( Metastrongylus spp.) in Pigs, and their Development in the Guinea Pig (1954)
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 1193-1194 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the past two years we have studied the incidence of the worms in pigs at a bacon factory in Cheshire, the occurrence of lungworm eggs in the faeces of pigs, the development of lungworms in earthworms (intermediate host), and the experimental infection of laboratory animals. A short note on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1741193a0
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  • 7
    Electronic Resource
    Electronic Resource
    “Divide et Impera” (1878)
    [s.l.] : Nature Publishing Group
    Nature 18 (1878), S. 142-142 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VERILY we have divided and subdivided, and as yet are but little nearer the “command” promised. I am a subscriber to your able magazine, which is extensively read in South America, and beg to bring the following subject to the notice of your zoological readers:- At this distance of 8,000 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/018142c0
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  • 8
    Electronic Resource
    Electronic Resource
    The Pectoral Fin of Coelacanthus tingleyensis (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 499-499 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE structure of the internal skeleton of Coelacanthus tingleyensis, Davis, was first described1 and figured2 by Wellborn as having six basal supports radiating out from the shoulder girdle in a manner similar to those in a pectoral fin described by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133499b0
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  • 9
    Electronic Resource
    Electronic Resource
    Fine-Structure of the Ionosphere (1933)
    [s.l.] : Nature Publishing Group
    Nature 131 (1933), S. 873-873 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE were much interested in the letter of Messrs. Schafer and Goodall in NATURE of June 3, p. 804, under the title “Characteristics of the Ionosphere”, and in particular in their remarks about the presence of an ionospheric reflecting region between the E region and the F region of Appleton. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/131873a0
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  • 10
    Electronic Resource
    Electronic Resource
    Herpetichthyes, Amphibioidei, Choanichthyes or Sarcopterygii? (1955)
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 126-127 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The name Crossopterygii in its original form (Crossopterygidae) was introduced by T. H. Huxley1 to include members of all of the above-named groups, as well as Polypterus, which to-day is excluded from the Crossopterygii in whatever sense the term is used. In Huxley's Crossopterygidae were ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/176126b0
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