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  • 2000-2004
  • 1970-1974  (6)
  • 1935-1939
  • 1915-1919
  • 1973  (6)
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Material
Years
  • 2000-2004
  • 1970-1974  (6)
  • 1935-1939
  • 1915-1919
Year
  • 1
    Electronic Resource
    Electronic Resource
    Metabolism of Carbon-14 Labelled Arginine, Citrulline and Ornithine in Intact Apple Stems (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 29 (1973), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A study was made of the absorption and metabolism of arginine-guanido-14C, citrulline-carbamyl-14C and ornithine 1-14C which had been applied to apple stem internodes by a perfusion technique at intervals throughout the year.The results showed that these amino acids were interconverted according to the Krebs-Henseleit cycle always in the direction arginine-ornithine-citrulline-arginine. In addition ornithine was degraded by another pathway with loss of CO2. This loss was particularly extensive during the period June to August when labelled proline and glutamic acid were also found. The evidence is consistent with the initial breakdown of ornithine taking place via glutamic semi-aldehyde.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1973.tb04822.x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A Technique for Studying the Adsorption, Absorption and Metabolism of Amino Acids in Intact Apple Stem Tissue (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 28 (1973), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Solutions of amino acids are introduced rapidly into the xylem of short lengths of stem. At sampling the intact stem is first perfused with a salt solution to remove the amino acids still reversibly adsorbed by cation exchange. This fraction of the applied amino acids is thus distinguished from that absorbed into the tissues which is subsequently extracted from the disintegrated stem by aqueous ethanol.The potential value of this technique is discussed and illustrated with some results using carbon-14 labelled amino acids in apple stems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1973.tb08586.x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Seasonal Variations in Absorption and Metabolism of Carbon-14 Labelled Arginine in Intact Apple Stem Tissue (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 29 (1973), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: At intervals through the year a study was made of the absorption and metabolism of arginine-C 14(U) which had been perfused into the wood of apple stem internodes. Absorption was greater during the period May to September than at any other time of the year. The metabolic breakdown of arginine took place only after absorption but the products found varied widely with season. From the analyses it is concluded that arginine is metabolized by the Krebs-Henseleit cycle at all times of the year, in addition to which during the period from May to August there are other pathways in operation that result in a more extensive breakdown so that all the N in arginine becomes available for new growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1973.tb04807.x
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Optimization of turbulence models by means of a logical search algorithm (1973)
    Springer
    Flow, turbulence and combustion 27 (1973), S. 321-334 
    Details
    ISSN: 1573-1987
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The momentum and turbulent kinetic energy equations are solved for a number of phenomenological closure approximations. The various methods are evaluated by comparison with several selected sets of experimental data. The empirical constants are determined such that the deviation between the experimental and theoretical values is minimized. The minimization process is carried out via a logical search algorithm which can also be applied to other problems in which the minimum or maximum value of a function of several variables is desired.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00382495
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Hyperlipemia and pancreatitis (1973)
    Springer
    Digestive diseases and sciences 18 (1973), S. 767-772 
    Details
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two patients with hyperlipemia and pancreatitis are described. Studies of post-heparin lipase showed an increased level in both cases. In 1 patient, with severe pancreatitis as indicated by a dramatic fall in calcium and development of a pancreatic cyst, there was an inhibitor of plasma lipoprotein lipase activity. In this study hyperlipemia as evidenced by the development of xanthomas appeared to precede the development of acute pancreatitis in both patients. The hyperlipemia improved when alcohol was stopped in 1 patient and a high carbohydrate diet was stopped in the other. In the first patient a lipoprotein lipase inhibitor was present, but the second patient did not have an inhibitor. In 1 case there was marked prolongation of the hyperlipemia which coincided with the presence of the lipoprotein lipase inhibitor. The inhibitor appeared to be a protein, and it is likely that it was released from necrotic pancreatic tissue. The patient with an inhibitor had a very marked rise in both cholesterol and triglyceride.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01070846
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Precision of pyrolysis gas chromatography of polymers Part III. The standardisation of fingerprinting — Assessment of the third correlation trial (1973)
    Springer
    Chromatographia 6 (1973), S. 483-488 
    Details
    ISSN: 1612-1112
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The results of the Third Correlation Trial of the pyrolysis of polymers are summarised. The conditions for the pyrolysis and the subsequent chromatography were more carefully specified than in the First and Second Trials with the result that much more reproducible results were obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02268991
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    Paper (German National Licenses)
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