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  • 1
    Electronic Resource
    Electronic Resource
    Importance of Film Records (1944)
    [s.l.] : Nature Publishing Group
    Nature 154 (1944), S. 214-214 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A NUMBER of amateurs are making films frequently of unique scientific interest. It may be that by patience an ornithologist has managed to secure some pictures of bird behaviour which may never be duplicated for a generation or more. It may be that a medical man has made a motion-picture record ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/154214b0
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  • 2
    Electronic Resource
    Electronic Resource
    Induced Apospory in Polypodiaceous Ferns (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 1748-1749 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recent experiments have shown that apospory can be regularly induced in normal sporelings in at least two other species of fern, namely, Thelypteris palustris and Pteridium aquilinum. Sporelings were raised from gametophytes grown in pure culture from spores from wild populations of these ferns. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1821748a0
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  • 3
    Electronic Resource
    Electronic Resource
    Sulphydryl Groups and Ribonucleic Acid (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 1088-1089 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Absorption curves of liver nuclei in tissue substituted with mercuric chloride and methanol are identical with curves of nuclei substituted with methanol alone. The absorption curve for the cytoplasm of methanol- and mercury-substituted tissue is not identical with that for methanol-substituted, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1821088a0
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  • 4
    Electronic Resource
    Electronic Resource
    Pressure developed within the Reticular Compartment of the Ruminant Stomach (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 494-494 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Brody and Quigley4 have examined the balloon-water manometer technique for measuring intra-lumen pressure in the digestive tract and have demonstrated that inflated balloons and water manometers produce a number of artefacts in the pressure records which become unreliable and inaccurate. Such ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181494a0
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  • 5
    Electronic Resource
    Electronic Resource
    Threshold Values for Taste in Monozygotic Twin Calves (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 345-346 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Discrimination tests for taste have now been carried out using monozygotic twin calves as subjects. Monovular calves were chosen for investigation for two reasons; first, in order to extend knowledge of sensory discrimination and especially of the sense of taste to another species, and secondly, to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183345a0
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  • 6
    Electronic Resource
    Electronic Resource
    Dynamic and Static Elasticities of Solids (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1330-1330 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The pulse method of measuring the longitudinal velocity described earlier1 has been extended to torsional measurements. It enables both velocities to be measured for the same specimen under precisely the same conditions. A check of the expression given above can therefore be carried out. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1811330a0
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  • 7
    Electronic Resource
    Electronic Resource
    Degradation of Cellulosic Fibres in Contact with Rusting Iron (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1065-1065 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An explanation of the cause of this degradation follows from consideration of the generally accepted electrochemical mechanism for the corrosion of iron wetted with a neutral salt solution. According to this mechanism, a flow of current occurs between separate regions of differing potential on the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1801065a0
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  • 8
    Electronic Resource
    Electronic Resource
    A Moving-Paper Collector for Column Chromatography (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 190-191 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The advantages of this method are its simplicity, its sensitivity to drop-by-drop changes of composition and concentration in the eluate, and its presentation of the eluted compounds in series on paper where they may be identified or estimated with the normal reagents of paper chromatography. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180190a0
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  • 9
    Electronic Resource
    Electronic Resource
    A Critical Technique for Enzyme Cytochemistry (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 201-202 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this way areas of a few square microns, for example, a nucleus, can be inactivated. A suitable mask is made of heavy tin foil pricked by a fine glass needle, and mounted on a heat-resisting glass filter. Between the mask and the lamp are several heat filters and a removable intensity filter. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/178201a0
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of Chloretone on Tunicate Embryos (1955)
    [s.l.] : Nature Publishing Group
    Nature 175 (1955), S. 1048-1048 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The tadpoles of Ciona intestinalis do not suffer this disadvantage, as they do not feed before metamorphosis. I have found that embryos of Ciona placed in 0-1 per cent chloretone in sea water five hours before hatching do not show the muscular twitching seen in controls and show no hatching ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1751048b0
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