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  • Nature Publishing Group  (37)
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  • 1
    Electronic Resource
    Electronic Resource
    Life and the Second Law of Thermodynamics (1946)
    [s.l.] : Nature Publishing Group
    Nature 158 (1946), S. 153-154 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHETHER life processes obey the second law of thermodynamics or if life finds a way of evading the otherwise universal dissipation of energy has been something of a puzzle for a century. Kelvin left the matter open in his formulation of the Second Law, by expressly excluding the operations of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/158153a0
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  • 2
    Electronic Resource
    Electronic Resource
    Adsorption of Enzymes on Solid Nucleic Acid (1945)
    [s.l.] : Nature Publishing Group
    Nature 156 (1945), S. 781-781 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the course of experiments on an improved method for isolating and purifying the amylases of malt, I have found that solid yeast nucleic acid is a very powerful adsorbent of these enzymes. The figure shows an experiment in which varying quantities of the solid nucleic acid (B.D.H.) were added ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/156781a0
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  • 3
    Electronic Resource
    Electronic Resource
    The British Commonwealth Scientific Office and Non-Governmental Science (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 233-233 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE recent article by Dr. A. King1 on the British Commonwealth Scientific Office raises the question of the relations of governmental science and non-governmental men of science. As its executive officer between 1941 and 1944, I am well aware of the services which the Office ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157233b0
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  • 4
    Electronic Resource
    Electronic Resource
    Fractionation of Deoxyribonucleic Acid by Physical Procedures (1956)
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 1033-1034 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To confirm that this observed distribution was due to a true heterogeneity, a solution of deoxyribonucleic acid (0-007 per cent) in 0-2M sodium chloride was centrifuged in a bucket rotor for a sufficiently long time to remove all the material with S 〉 20. The supernatant was allowed to stand for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1771033b0
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  • 5
    Electronic Resource
    Electronic Resource
    Fractionation of Deoxyribonucleoprotein by Successive Extraction with Constant Salt Concentration (1954)
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 32-33 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Attempts were made to fractionate nucleoprotein directly, without prior chloroform treatment; and by slowly adding or removing salt by dialysis, to obtain fractional solution and precipitation respectively of the nucleoprotein. Though the nucleoprotein was fractionated into soluble and insoluble ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/174032a0
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  • 6
    Electronic Resource
    Electronic Resource
    Apparent Heterogeneity of Deoxyribonucleic Acid: Sedimentation Experiments at Low Concentrations (1955)
    [s.l.] : Nature Publishing Group
    Nature 175 (1955), S. 500-502 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SEDIMENTATION experiments with deoxyribo-nucleio acid, using the Philpot-Svensson1 optical system, can be carried out at concentrations down to 5 x 10"4 gm./ml. Although at this concentration only a slight spreading of the peak is observed*, this cannot be taken as an indication of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/175500b0
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  • 7
    Electronic Resource
    Electronic Resource
    Nature of Nucleotoxic Substances (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 18-19 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE close similarity of the actions on deoxyribo-nucleic acid of nitrogen and sulphur 'mustards' with those of free hydroxyl radicals, which has been described in earlier articles1, naturally leads one to inquire what feature they have in common. It is difficult to find a plausible mechanism, which ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/166018a0
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  • 8
    Electronic Resource
    Electronic Resource
    An Apparatus for Preparative Electrophoresis (1947)
    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 469-469 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A CONSIDERABLE number of suggestions have been made1 of arrangements for the separation of ionized substances of different mobilities in an electric field, involving, for example, (1) diaphragm cells with three or more compartments2, (2) a series of beakers ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/160469a0
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  • 9
    Electronic Resource
    Electronic Resource
    Concentration of the Toxic Substance from ‘Agenized’ Flour (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 835-836 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT was shown by Sir Edward Mellanby1 that flour, treated with nitrogen trichloride, as it is in the commercial ‘Agene’ process, is capable of causing fits in dogs, when fed in fairly large quantities. Further investigations have proved that the toxicity is associated with the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163835b0
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  • 10
    Electronic Resource
    Electronic Resource
    The Core of the Insulin Molecule (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 418-419 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON account of its stability and well-defined crystalline character, insulin is a favourable point at the present time to attack protein structure. Its composition is probably better known than that of any other protein. The stoichiometrical molecular weight, that is, the least Weight into which all ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162418a0
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