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  • Nature Publishing Group  (8)
  • Wiley-Blackwell  (5)
  • National Academy of Sciences
  • 1955-1959  (13)
  • 1
    Electronic Resource
    Electronic Resource
    New Antimetabolites of Vitamin B 12 (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1383-1384 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OUR interest in the role of vitamin B12 in cancer was first stimulated by the claims of Bodian1, that prolonged regression of neuroblastoma in infancy was effected by massive dosage of the vitamin. It was therefore thought that the therapeutic effect claimed might be related to an imbalance in B12 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1841383a0
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  • 2
    Electronic Resource
    Electronic Resource
    Anomalous Continuum Radiation from Jupiter (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 52-52 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Time (u.T.) Date No. of curves To averaged ( K.) 0203-0403 May 16, 1959 5 0-51 0408-0608 ,. 16,, 5 0-73 0613-0817 , 16, 5 0-46 0451-0711 , 18, 5 0-86 0209-0543 20, 5 0-57 0548-0747 2), 5 0-42 0139-0604 21, 8 0-75 0130-0420 , 22, 7 0-47 0140-0713 , 23, 8 0-34 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184052a0
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  • 3
    Electronic Resource
    Electronic Resource
    Structural Differentiation in the Nucleoid of Mature Vaccinia Virus (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 784-785 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In order to investigate further the nucleoidal structure of this type of virus, samples from pellets of purified vaccinia virus particles were dehydrated and embedded in methacrylate for thin sectioning, after fixation with buffered osmium-sucrose*.5 at pK 7-6 or potassium permanganate6 at pH. 7-6, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181784b0
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  • 4
    Electronic Resource
    Electronic Resource
    Intra-cellular Identification of the Rous Virus (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 45-46 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A sample of ascitic fluid was taken from each of five Rous ascites tumours and the number of tumour cells in it was determined using a haemocytometer. Each sample was divided into two portions. The first portion was used to make electron microscope preparations by the method employed in the earlier ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/178045a0
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  • 5
    Electronic Resource
    Electronic Resource
    Hyperprotection against Radiation by combining Addition of Cysteine with Lyophilization (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 100-100 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] T2 coliphages in 4 per cent broth were frozen by being dropped into an aluminium cup standing in 'dry ice', and were irradiated with 100 kV. X-rays (half-value layer 2-0 mm. aluminium) while at 'dry-ice' temperature. The cups were then placed in pre-cooled test-tubes standing in a salt - ice bath ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/179100a0
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  • 6
    Electronic Resource
    Electronic Resource
    Intestinal Lecithinase (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 387-387 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It seems likely that the presence of fatty acids is obligatory for lecithinolysis. Small amounts of fatty acids (6 ^gm./ml.) were found to be present in the enzyme preparations. Lysolecithin also furnishes fatty acids due to the active lysoleeithinase present. Similarly, the activation by cephalin ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180387a0
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  • 7
    Electronic Resource
    Electronic Resource
    Site of Virus-like Particles in Rous Fowl Sarcoma Cells (1955)
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 784-785 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Part of a thinly spread Rous ascites tumour cell. Filamentous mitochondria are scattered in the cytoplasm, which also contains the endoplasmic reticulum and osmiophilic lipoid bodies. Numerous dense virus-like particles are present in one of the vacuoles in the field. Fixation over osmium ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/176784a0
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  • 8
    Electronic Resource
    Electronic Resource
    Composition of the Rous Virus Nucleoid (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1808-1808 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The technique has now been applied to nodules of Rous tumour grown on the chick chorio-allantois in order to prepare suspensions of the Rous virus. Such suspensions have been subjected to high-speed centrifugation and the pellets which resulted have been fixed, embedded, sectioned and examined in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1811808a0
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  • 9
    Electronic Resource
    Electronic Resource
    Effect of wall roughness on convective heat transfer in commercial pipes (1957)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 3 (1957), S. 242-248 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Heat transfer and friction measurements were made for air flow through a smooth copper pipe and six other commercial pipes, with a ratio of diameter to equivalent sand roughness varying from 640 to 64. The Reynolds number range was 10,000 to 80,000. Though some increase in heat transfer coefficients with roughness was found, the heat transmission per unit power loss always decreased.The momentum-heat-transfer anlogies of Reynolds and Colburn are shown to be inadequate for handling the experimental data. Those of Prandtl and Taylor, von Kármán, and Pinkel fail to show a required Reynolds number dependence of jh when friction factor has become independent of Reynolds number for a rough pipe. Martinelli's equation shows such dependence and, even in approximate form, gives good prediction of the experimental results.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690030220
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  • 10
    Electronic Resource
    Electronic Resource
    Electron crosslinking of polyethylenes of two different densities (1957)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 26 (1957), S. 399-401 
    Details
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1957.1202611420
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