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  • Nature Publishing Group  (3,908)
  • Periodicals Archive Online (PAO)  (3,536)
  • 1970-1974  (7,444)
  • 1974  (7,444)
Collection
Publisher
Years
  • 1970-1974  (7,444)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Are there differences in contact inhibition of movement between normal and malignant cells (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 453-454 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Variation of mean overlap ratio with culture age and population density a Age in culture (h) b Population density c Statistical analysis 8 20 24 48 C13 0.183 0.219 0.211 0.298 Py 0.357 0.262 0.255 0.284 〈 70 70-74.9 75-79.9 80-84.9 854 C13 0.207 0.219 0.259 0.212 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249453a0
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  • 2
    Electronic Resource
    Electronic Resource
    State of the world: IISS reports (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 303-303 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] "ALMOST medieval turbulence under a rfclear umbrella", is how the International Institute of Strategic Studies' (IISS) annual report for 1973 describes the military and political scene last year (IISS, 18 Adam Street, London WC2). in a year marked by the withdrawal of the United States from ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249303a0
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  • 3
    Electronic Resource
    Electronic Resource
    Recurrent Mach (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 305-305 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A STUDENT of the science of science might find it entertaining to try to discover what it is that reawakens interest in Mach's principle every three or four years, why each ingenious suggestion on the subject has almost no effect upon any subsequent ingenious suggestion-except possibly to stimulate ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249305a0
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  • 4
    Electronic Resource
    Electronic Resource
    Support for deep mantle convection (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 310-310 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ASSUMING that the engine driving the Earth's lithospheric plates involves some sort of convection in the mantle, do the convection cells reach down to the core-mantle boundary or are they relatively shallow? Views on this point have changed significantly since the idea of motions in the mantle was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249310a0
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  • 5
    Electronic Resource
    Electronic Resource
    In vivo enhancement of tyrosine hydroxylation in rat striatum by tetrahydrobiopterin (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 476-478 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Male albino rats of Wistar origin (Fullinsdorf), 180-200 g, were injected with an aqueous solution of BH4 into one lateral brain ventricle (30-1,000 Mg in 10 /4 through a chronically implanted cannula10) or intravenously (125 mg kg-1)- The solutions contained 1 % ascorbic acid. o At various time ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249476a0
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  • 6
    Electronic Resource
    Electronic Resource
    Increased myocardial cathepsin D activity during regression of thyrotoxic cardiac hypertrophy (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 478-479 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our experimental model was the hypertrophied heart of the thyrotoxic rat. Exogenous administration of excessive doses of thyroid hormone is well known to lead to marked cardiac enlargement in the rat, and discontinuation of thyroid treatment results in a rapid return of heart weight to normal1"4. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249478a0
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  • 7
    Electronic Resource
    Electronic Resource
    Behavioural and physiological bases of drinking inhibition in water deprived rats (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 485-486 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this communication, experiments that identify the physiological and behavioural bases of voluntary dehydration are described. In preliminary analyses, to be reported elsewhere, we found first, that only 79 % of the fluid lost by rats deprived of water for 24 h was restored by drinking; second, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249485a0
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  • 8
    Electronic Resource
    Electronic Resource
    Correlation between speed of pollen tube growth and seedling height in Zea mays L. (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 491-493 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present study was designed to test for correlations between relative speed of pollen tube growth and relative seedling weight, avoiding the possible influence of differences in time of fertilisation. Pollen types, of known tube growth rates, were each applied to separate inflorescences on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249491a0
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  • 9
    Electronic Resource
    Electronic Resource
    Enzymatic aziridine synthesis from β amino-alcohols—a new example of endogenous carcinogen formation (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 344-345 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 a, Pronethalol (I) and its aziridine (II); b, enzymatic formation of 1, 2-dimethyl, 2-phenylaziridine from the [3 aminoalcohol. In vitro formation of aziridines from (3 aminoalcohols only occurs through a less stable intermediate, for example by the sulphate ester in the Wenker synthesis2. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249344a0
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  • 10
    Electronic Resource
    Electronic Resource
    Possible new antimalarial drugs (1974)
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 305-306 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH it is well established that malaria parasites inside host red blood cells utilise glucose, the extent to which this process provides the parasites with energy has been little explored. One of the technical problems hindering such an investigation was the difficulty of distinguishing ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/249305b0
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