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  • 11
    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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  • 12
    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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  • 13
    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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  • 14
    Electronic Resource
    Electronic Resource
    Mechanism of Ion Absorption by Roots (1953)
    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 83-84 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This scheme of the formation and subsequent breakdown of a complex is analogous to the accepted mechanism of enzyme action, which assumes the formation of an intermediate labile complex, ES, of the substrate, S, with the enzyme, E. The kinetic treatment of enzymatic reactions based on this ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/171083a0
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  • 15
    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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  • 16
    Electronic Resource
    Electronic Resource
    Direct Observation of Hapten–Antibody Equilibria (1954)
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 89-90 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Light-scattering measurements on very dilute mixtures will yield the weight-average aggregate weight since the deviations due to non-ideal behaviour are negligible. The free energy of formation can be calculated in the following way. Let Ho and Aa be the initial concentrations of hapten groups and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/174089b0
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  • 17
    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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  • 18
    Electronic Resource
    Electronic Resource
    Total and l (+) Tartaric Acid Inhibited Rat Serum Acid Phosphatase (1960)
    [s.l.] : Nature Publishing Group
    Nature 187 (1960), S. 67-68 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The purpose of the present investigation was to determine the activities of the total and l(-f) tartaric acid inhibited acid phosphatase in the serum of rats of both sexes. The results of our work are shown in Table 1. It is evident that the activity of both serum total and l(+) tartaric acid ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/187067a0
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  • 19
    Electronic Resource
    Electronic Resource
    Nucleic Acid of Mature Herpes Simplex Virus : its Type and Location (1962)
    [s.l.] : Nature Publishing Group
    Nature 194 (1962), S. 116-116 
    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 the nature of herpes virus nucleic acid, mature extracellular particles have been treated with specific nucleases, and the resulting changes caused within them have been observed in thin sections with the electron microscope, such methods having proved successful with the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/194116a0
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  • 20
    Electronic Resource
    Electronic Resource
    Some Properties of the Deoxyribonucleic Acid of Phage Alpha (1961)
    [s.l.] : Nature Publishing Group
    Nature 191 (1961), S. 1097-1098 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] After gathering and purification of phage a, DNA was isolated by the phenol method of Mandell and Hershey2. Using as much caution as possible to avoid shear degradation, a mean sedimentation coefficient of 40$ (extrapolated to infinite dilution and corrected to water at 20 C.) was obtained ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1911097b0
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