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  • Nature Publishing Group  (30)
  • American Association for the Advancement of Science  (19)
  • 1970-1974  (34)
  • 1935-1939  (15)
  • 1
    Electronic Resource
    Electronic Resource
    Vertical mixing in the deep ocean (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 43-44 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Here, I point out that this rather large mixing coefficient is consistent with mixing induced by internal waves6,7 in the lowest kilometre or so of the ocean. The relatively high vertical mixing rates in that region can be accounted for by the peculiarities of the generation of internal waves as a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/251043a0
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  • 2
    Electronic Resource
    Electronic Resource
    DNA synthesis in ‘nuclear monolayers’ from BSC-1 cells infected with herpes virus (1974)
    [s.l.] : Nature Publishing Group
    Nature 248 (1974), S. 505-508 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A detailed understanding of viral DNA replication is necessary to elucidate the process of HSV infection. Considerable information has been obtained about the changes, caused by infection, in the soluble enzymes associated with DNA synthesis, for example, the induction of a virus-specific DNA ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/248505a0
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  • 3
    Electronic Resource
    Electronic Resource
    Model for the binding of multivalent antigen to cells (1974)
    [s.l.] : Nature Publishing Group
    Nature 248 (1974), S. 430-431 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is also known that, after exposure of an animal to antigen, the affinity of the antibodies which are produced will often increase with time10'11. This maturation of the immune response could be understood12'13 easily if the binding of antigen to cells and cell proliferation were governed by the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/248430a0
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  • 4
    Electronic Resource
    Electronic Resource
    Induction of Immunity of Lambs to a Larval Cestode by Diffusible Antigens (1971)
    [s.l.] : Nature Publishing Group
    Nature 232 (1971), S. 120-120 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We used three groups of five cestode-free and nematode-free lambs, 4 weeks old, and eggs of T. ovis which had been collected from experimentally infected dogs and carefully washed with antibiotic solutions. The eggs were artificially hatched and the embryos were activated by Heath's9 method. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/232120a0
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  • 5
    Electronic Resource
    Electronic Resource
    Medical and Ecological Considerations of L -Dopa and 5-HTP in Seeds (1971)
    [s.l.] : Nature Publishing Group
    Nature 229 (1971), S. 136-137 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In mammalian tissues the rate-limiting step in the biosynthesis of 5-HT is the hydroxylation of L-tryptophan and 5-HTP does not accumulate where the enzyme balance favours its decarboxylation rather than its biosynthesis. This particular balance of hydroxylase and decarboxylase activity is not ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/229136a0
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  • 6
    Electronic Resource
    Electronic Resource
    Chromosome Loss compared with Chromosome Size, Age and Sex of Subjects (1970)
    [s.l.] : Nature Publishing Group
    Nature 225 (1970), S. 281-282 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Investigating the relationship between ageing and chromosome counts further, we found hypodiploidy to be largely a function of chromosomal size at all ages. Chromosomes for this study were prepared from peripheral blood leucocytes by slight modifications of the method of Moorhead et al.8. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/225281a0
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  • 7
    Electronic Resource
    Electronic Resource
    Depression of Yield in Ryegrass Exposed to Sulphur Dioxide (1973)
    [s.l.] : Nature Publishing Group
    Nature 241 (1973), S. 47-49 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We grew the plants in bowls inside two Perspex chambers situated in an open-sided greenhouse. The chambers were ventilated with the ambient air, which was purified by passage through activated charcoal, followed by an absolute filter. A controlled uniformly distributed concentration of sulphur ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/241047b0
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  • 8
    Electronic Resource
    Electronic Resource
    Surface Charge Characteristics of Hydroxyapatite and Fluorapatite (1972)
    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 515-517 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This study was undertaken with particular concern for the stoichiometry purity of the solid, reduction of CO2 contamination and selection of indifferent supporting electrolyte. The measurement of charge utilized a titration technique9-16. Fig. 1 Adsorption isotherms on hydroxyapatite B18 obtained ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/239515a0
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  • 9
    Electronic Resource
    Electronic Resource
    Growth Potential of Scrapie Mouse Brain in vitro (1971)
    [s.l.] : Nature Publishing Group
    Nature 229 (1971), S. 269-270 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Small fragments of normal and scrapie-infected adult mouse brain of similar age were seeded on pairs of glass coverslips in 6 cm "escoplastic" Petri dishes, left for 1 h and then covered with 5 ml. of medium 199 (ref. 5) containing 20% foetal bovine serum. Cultures were incubated at 36 C in an ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/229269a0
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  • 10
    Electronic Resource
    Electronic Resource
    Viability of Isolated Nuclei (1970)
    [s.l.] : Nature Publishing Group
    Nature 226 (1970), S. 854-855 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The ultimate criterion for damage is whether such nuclei can assume their normal functions on return to anucleate cytoplasm; functions, that is, which lead to growth and division of the cell. We decided to use 35 mM KCl as an isolating medium because this is the concentration of K+, the main ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/226854a0
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