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  • Springer Nature  (14)
  • Nature Publishing Group  (13)
  • 1955-1959  (19)
  • 1930-1934  (8)
  • 1
    Digitale Medien
    Digitale Medien
    Electron Spin Resonance in Irradiated Deoxyribonucleic Acid (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 831-832 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The deoxyribonucleic acid was kindly provided by Prof. J. A. V. Butler. It had been prepared from calf thymus and contained 0 -7 per cent by weight of protein and, when exposed to room air, some 15 per cent of water. Pulses of electrons from a 1-5-MeV. Metropolitan-Vickers linear accelerator were ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/183831b0
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  • 2
    Digitale Medien
    Digitale Medien
    Changes in the Electron Spin Resonance Spectrum of Glycine with Increasing Doses of Radiation (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 831-831 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] For irradiations we used a 1-5-MeV. Metropolitan -Vickers linear accelerator capable of delivering approximately 104 rads per pulse at the position of the sample of deoxyribonucleic acid, the duration of a single pulse being 2 jxsec. Derivatives of the microwave absorption against magnetic field ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/183831a0
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  • 3
    Digitale Medien
    Digitale Medien
    Morphology of Yeast Mitochondria (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 1809-1810 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] From the cytochemical investigations of Ephrussi and his school6, who used both normal and respiration-deficient strains of yeast, it can be concluded with certainty that in the case of yeasts a positive Janus green B reaction depends on the activity of the cytochrome c cytochrome oxidase system. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1811809a0
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  • 4
    Digitale Medien
    Digitale Medien
    Degradation of Steroidal Sapogenins to 16-Dehydropregnan-20-ones (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 771-771 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A modification offered here converts the sapogenin to its corresponding 16-dehydropregnan-20-one acetate, generally in 50-75 per cent yield of isolable product, without the necessity of separating any intermediates or changing the character of the reaction medium along the way. For example, 88 gm. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/181771a0
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  • 5
    Digitale Medien
    Digitale Medien
    Water-Relations and Sporulation of Peronospora tabacina Adam. (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 44-45 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Physiologically similar leaves were detached from uniform glasshouse-grown tobacco plants (mean height, 23 cm.), inoculated with a spore suspension and incubated at 100 per cent relative humidity at 21 C. for five days. Leaf disks (15 mm. diameter) were punched from the infected non-sporulating ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/180044b0
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  • 6
    Digitale Medien
    Digitale Medien
    Pentose Metabolism in Diabetic and Normal Rats (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 1194-1195 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] It seemed interesting, therefore, to explore further this ability of the diabetic rat, as compared with the normal rat, to utilize carbohydrates the molecular structure of which was smaller than that of hexose. Four pentosesd-arabinose, d-rib-ose, d-rhamnose and d-xylosewere selected for study and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/1791194a0
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  • 7
    Digitale Medien
    Digitale Medien
    Influence of Ionizing Radiation on the Appearance in the Serum of Rabbits of Humoral Factors slowing down Cell Division (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 43-44 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Rabbits received a single dose of whole-body X-irradiation of 900 r. (focal skin distance 90 cm., 190 kV., 12 m.amp., 0.5 mm. copper, dose-rate 20 r./min.). Blood was obtained by cardiac puncture 24 hr. after irradiation of the animals. Simultaneously and by the same procedure, blood was obtained ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/178043a0
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  • 8
    Digitale Medien
    Digitale Medien
    In vitro Stimulation of Incorporation of Formate- 14 C in Surviving Uterine Segments by Hydroxylated Œstradiols (1955)
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 127-128 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The 2-hydroxy and 4-hydroxy derivatives of cestradiol (2,3,17 £i-trihydroxy cestratriene and 3,4,17(3-trihydroxy cestratriene) were synthesized by a route involving the nitration of cestrone, chromato-graphic separation of the positional isomers, reduction of the 17-keto group, reduction of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/176127a0
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  • 9
    Digitale Medien
    Digitale Medien
    Rotation of Chain Molecules in Solid Paraffins (1932)
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 436-436 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT is found that the thermal expansion of the crystal lattice of n-paraffins is not equal in all directions.1 The increase in length of the a axis measured in the range of liquid air temperature to room temperature is about 7 per cent, of the b axis about 2 per cent, whereas the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/129436a0
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  • 10
    Digitale Medien
    Digitale Medien
    Reducing Property of Aqueous Humour (1933)
    [s.l.] : Nature Publishing Group
    Nature 132 (1933), S. 280-281 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] EXPERIMENTS on the significance of the aqueous humour in the lens's metabolism, which I have been carrying out during the past few years1, have shown that the power of the aqueous humour of cattle and of the rabbit to reduce methylene blue does not depend upon the presence of an ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/132280c0
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