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  • 1
    Electronic Resource
    Electronic Resource
    Metabolism of Radioactive Methylcholanthrene in the Rat (1963)
    [s.l.] : Nature Publishing Group
    Nature 198 (1963), S. 1317-1318 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The development of radioactive methylcholanthrene has allowed the investigation of its metabolism in rats of the Sprague-Dawley strain. Six rats were used. These were females of the Sprague-Dawley strain of Dr. Huggins or of a Sprague-Dawley strain established in Britain at the A.S.L. Farms, Ltd., ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1981317a0
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  • 2
    Electronic Resource
    Electronic Resource
    Water Relations of Leaves from Woody and Herbaceous Plants (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1271-1272 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 shows the results of an experiment in which five mature leaves of Euonymus europaeus L. and of sugar beet were brought to full turgor and then allowed to wilt under constant light, temperature and humidity with hourly determinations of weight, area and volume (by displacement of water). The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1811271a0
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  • 3
    Electronic Resource
    Electronic Resource
    Utilization of Sulphate Ion by Fibroblasts in the Quartz Focus (1955)
    [s.l.] : Nature Publishing Group
    Nature 175 (1955), S. 435-436 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Silicotic foci of 51 days duration in the omental tissues. The largest on the right consists mostly of dense collagen with flbroblasts at the periphery. The other two are still largely flbro-blastic with only early formation of collagen fibres. Iron luematoxylin and Van Giesen. x 80 Fig. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/175435b0
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  • 4
    Electronic Resource
    Electronic Resource
    Phenylalanine Inhibition of Tyrosine Metabolism in the Liver (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 1124-1126 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the course of investigations designed to throw further light on the factors influencing tyrosine breakdown to acetoacetate in isolated liver tissue, results have been obtained which indicate that L-phenylalanine exercises a considerable inhibitive action on tyrosine metabolism in liver ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1791124a0
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  • 5
    Electronic Resource
    Electronic Resource
    Benefits to Aphids from Feeding on Galled and Virus-infected Leaves (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 825-826 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The yellow-red pocket galls formed by Cryptomyzus ribis on red currant leaves were tried first because the galled parts remain soft enough for the pockets to be pushed inside out, thus turning what were the best sheltered into the most exposed parts of the leaf surface. The aphids, which before ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/168825a0
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  • 6
    Electronic Resource
    Electronic Resource
    Aphid Migration and the Spread of Plant Viruses (1950)
    [s.l.] : Nature Publishing Group
    Nature 165 (1950), S. 1024-1025 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Like Heinze2 and Broadbent3, we have failed to find any evidence, in a variety of field and laboratory observations, that aphids are attracted to their hosts in this way. In 1947, autumn migrants of the peach-potato aphid, Myzus persicce (Sulzer), were caught alighting quite indiscriminately on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1651024a0
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  • 7
    Electronic Resource
    Electronic Resource
    A Biological Approach to Plant Viruses (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 890-894 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VIRUS workers were recommended by Pirie1 not to try to maintain a precarious position on either of two stools?the chemical, treating viruses as molecules, or the biological, treating them as organisms? but rather to "settle comfortably on the floor", that is, adopt a biochemical approach. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/168890a0
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  • 8
    Electronic Resource
    Electronic Resource
    A Turning Point in the Study of Insect Migration (1961)
    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 785-791 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CG. JOHNSON1 has crystallized a new trend,. since the War, in the field of insect migration and dispersal by flight. The trend is inspired largely by work on aphid s and locusts, which has been more intensive than that on economically less-important insect migrants such as butterflies. The new ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/189785a0
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  • 9
    Electronic Resource
    Electronic Resource
    Classification of Taxes and Kineses (1937)
    [s.l.] : Nature Publishing Group
    Nature 140 (1937), S. 1064-1064 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN recent years, the study of animal reactions to elementary physical stimuli has extended greatly, both in the laboratory and in the field. During this process, it has been necessary to modify somewhat Kühn's1,2 classification based on the externally observable characteristics ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1401064a0
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  • 10
    Electronic Resource
    Electronic Resource
    A Method of obtaining Phloem Sap via the Mouth-parts of Aphids (1953)
    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 528-528 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The technique of obtaining sap from severed aphid stylets has been developed since (by T. E. M.) using the lachnid, Tuberolachnus salignus (Gmelin), a conveniently large species colonizing the branches of Salix spp. That part of the aphid's rostrum which remains outside the plant during feeding can ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/171528a0
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