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  • Electronic Resource  (54)
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  • Electronic Resource  (54)
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  • 11
    Electronic Resource
    Electronic Resource
    Gel-Like Behaviour of Deoxyribonucleic Acid Solutions (1951)
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 844-845 
    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 the molecular weight of deoxyribonucleic acid, we have noticed that in aqueous solutions it diffuses in a very unusual manner. Instead of the boundary between the solution and the solvent becoming more and more diffuse, while remaining in the same position, as is the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/167844a0
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  • 12
    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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  • 13
    Electronic Resource
    Electronic Resource
    Effects of Salts on Interactions in Polyelectrolyte Solutions (1953)
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), 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] IN recent years a number of investigations has been made in capillary tube viscometers of the viscosity of aqueous solutions of polyelectrolytes and the effect of added salts thereon. The effects have been interpreted in terms of the theory of polyelectrolyte molecules by Arnold and Overbeek1, and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/172153a0
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  • 14
    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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    Paper (German National Licenses)
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  • 15
    Electronic Resource
    Electronic Resource
    Role of Histones and other Proteins in Gene Control (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 1041-1042 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE the original suggestion of Stedman and Stedman1 that the basic proteins present in the chromatin of animal tissues (histones) act as gene inhibitors, much effort has been devoted to their characterization and a number of fractionation procedures have been worked out2 which give rise to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2071041a0
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  • 16
    Electronic Resource
    Electronic Resource
    Specificity of the Interactions Between Histones and Deoxyribonucleic Acid (1964)
    [s.l.] : Nature Publishing Group
    Nature 204 (1964), S. 853-855 
    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 DNA free from histone can act as a template for the synthesis of UNA, under the influence of the UNA polymerase demonstrated by Weiss1 and Hurwitz et al.z, while the native nucleoprot ein has been shown to have little ability in this direc tion3. Furthermore, the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/204853a0
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  • 17
    Electronic Resource
    Electronic Resource
    Inhibition of RNA Polymerase by Histones (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1188-1189 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In an attempt to resolve this, we have compared the decrease in template activity caused by histones and the precipitation of DNA under similar conditions. Escherichia coli RNA polymerase (fraction 4) was prepared by the method of Chamberlin and Berg8 and DNA and whole hist one were prepared from ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2151188a0
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  • 18
    Electronic Resource
    Electronic Resource
    Variations in Phosphokinase Activities During the Cell Cycle in Synchronous Populations of HeLa Cells (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 176-177 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A KNOWLEDGE of the sequence of events in the AJL replication cycle of mammalian cells would be of great importance in elucidating the control mechanisms involved. Up to the present, the process which has been most investigated in this connexion is the synthesis of DNA, which has been found to occur ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/207176a0
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  • 19
    Electronic Resource
    Electronic Resource
    Metal Ion Redox Systems as Radiation Protective Agents (1962)
    [s.l.] : Nature Publishing Group
    Nature 193 (1962), S. 673-674 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There are, however, other possible mechanisms. The primary action of the ionizing radiation is to cause the emission of electrons from the molecules under irradiation. This leaves positive holes in the ionized molecules, and the emitted electrons may attach themselves transiently to other ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/193673b0
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  • 20
    Electronic Resource
    Electronic Resource
    A Possible Mechanism of Synthesis of Nucleic Acids (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 68-69 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] These enzymes are not easily removed from the nuclear fraction by mild procedures; in particular it has been found that in order to liberate the RNA polymerase it is necessary to disrupt the DNA with DNase2 and it is necessary to conclude that this enzyme is firmly bound to DNA in the complex. In ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/199068b0
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