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  • Elastic scattering  (2)
  • NUCLEAR REACTIONS  (2)
  • Neurosecretion  (2)
  • 14C-Glucose  (1)
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Nuclear Physics, Section A 135 (1969), S. 207-224 
    ISSN: 0375-9474
    Keywords: Elastic scattering
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Nuclear Physics, Section A 180 (1972), S. 385-401 
    ISSN: 0375-9474
    Keywords: Elastic scattering ; Nuclear reactions
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Nuclear Physics, Section A 106 (1968), S. 577-590 
    ISSN: 0375-9474
    Keywords: NUCLEAR REACTIONS
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Nuclear Physics 72 (1965), S. 273-297 
    ISSN: 0029-5582
    Keywords: E = 10 MeV ; E = 11 MeV ; NUCLEAR REACTIONS ; ^5^2^,^ ^5^4Cr(d, p) ; ^5^3Cr(p, p') ; ^5^3^,^ ^5^5Cr deduced levels ; l ; measured σ(E"p"') ; measured σ(E"p, θ)
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0568
    Keywords: Neurosecretion ; Adrenalectomy ; Diabetes insipidus ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The influence of adrenalectomy on the amount of “Gomori-positive” neurosecretory material in the outer layer of the median eminence and in the supraoptico-hypophysial system was studied in normal Long-Evans rats and in Long-Evans rats heterozygous and homozygous for hypothalamic diabetes insipidus. In all non-adrenalectomized rats very few “Gomori-positive” granules were found in the outer median eminence layer. After adrenalectomy the amount of the granules increased markedly in normal Long-Evans rats and only slightly in Long-Evans rats heterozygous for diabetes insipidus. However, no augmentation of the granules occurred in homozygous diabetes insipidus rats. The amount of “Gomori-positive” substances demonstrable in the supraoptic and paraventricular nuclei, in the inner layer of the median eminence, and in the neural lobe of the hypophysis was less in rats heterozygous for diabetes insipidus than in normal Long-Evans rats and the smallest in homozygous diabetes insipidus rats. No differences in the amounts of the substances were observed between adrenalectomized and non-adrenalectomized animals. The findings suggest that the “Gomori-positive” granules occurring in the outer layer of the median eminence of adrenalectomized rats are of similar origin as those of the supraoptico-hypophysial system and represent a vasopressin-neurophysin-complex. The results support the concept that vasopressin is involved in the regulation of ACTH release.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0568
    Keywords: Corticotropin releasing factor ; Neurosecretion ; Hypophysis ; X-irradiation ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In 195 female Wistar rats the influence of adrenalectomy, total body X-irradiation and dexamethasone treatment on the amount of CRF-granules in the external zone of the median eminence and “classical” neurosecretory material (NSM) in the internal zone of the median and in the posterior lobe of the hypophysis has been studied. In the normal rat only very few CRF-granules occur. 15 days after adrenalectomy increased amounts of CRF-granules but normal amounts of “classical” NSM are found. X-irradiation leads to a slight diminishment of “classical” NSM in normal rats. In adrenalectomized animals X-irradiation causes no changes in the amount of “classical” NSM but a marked decrease in the amount of CRF-granules. Application of dexamethasone from the 15th to 18th day after adrenalectomy enhances the augmentation of CRF-granules in irradiated and non-irradiated rats but does not influence the amount of “classical” NSM. The findings show that no correlation exists between the quantitative changes of CRF-granules and “classical” NSM under the experimental conditions used. Therefore it is to be assumed that the release of the two substances is regulated by different control mechanisms and that the substances have a different functional significance. The observations do not exclude the possibility that CRF-granules and “classical” NSM are biochemically identical.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 100 (1974), S. 243-252 
    ISSN: 1432-072X
    Keywords: Saccharomyces cerevisiae ; Carbon Monoxide Trace-Measurement ; 14C-Glucose ; CO Production ; Atmospheric Cycle of Trace Gases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung 1. Mit einer empfindlichen Analysenmethode, die auf die Reaktion CO+HgO→CO2+Hg basiert und den CO-Gehalt auf Grund der Absorption des freigesetzten Hg bei 2537 Å ermittelt, wurden im Gasraum über wachsenden Kulturen von Saccharomyces cerevisiae, S. oviformis, Escherichia coli, Aerobacter aerogenes, Pseudomonas spec. und Lactobacillus brevis 0.4–2.6 ppm CO nachgewiesen. Bei Lactobacillus arabinosus, Bacillus cereus var. mycoides und Aspergillus niger war eine CO-Bildung nicht meßbar. 2. Bei S. cerevisiae war die CO-Bildung bei Konzentrationen von 10–50 g Glucose pro Liter Medium am größten. Außerdem wurde die CO-Bildung proportional zum anfänglichen Sauerstoffgehalt im Gasraum über den Kulturen gefördert. 3. Mit 14C-markierter Glucose wurde nachgewiesen, daß CO aus Glucose entsteht. 4. Die CO-Bildung der untersuchten Mikroorganismen ist so gering, daß sie keine Bedeutung für den Kreislauf dieses Spurengases in der Atmosphäre hat.
    Notes: Summary 1. Growing cultures of Saccharomyces cerevisiae, S. oviformis, Escherichia coli, Aerobacter aerogenes, Pseudomonas spec. and Lactobacillus brevis produce trace amounts of CO (0.4–2.6 ppm) that can be detected in the gas space above the cultures using a sensitive analytical method based on the reaction CO+HgO→CO2+Hg. The liberated Hg is quantitatively measured by atomic absorption at 2537 Å. No CO could be detected above cultures of Lactobacillus arabinosus, Bacillus cereus var. mycoides and Aspergillus niger. 2. The maximum CO production by Saccharomyces was obtained with concentrations of 10–50 g glucose per liter medium. The amount of CO formed increased with the oxygen concentration in the gas space above the cultures. 3. Using 14C-glucose it was shown that S. cerevisiae forms CO from glucose. 4. The formation of CO by the microorganisms investigated is very small. The ratio of CO/CO2 produced is much smaller than in environmental air. Therefore it can be concluded that the production of CO by these microorganisms has probably no significance for the atmospheric cycle of this trace gas.
    Type of Medium: Electronic Resource
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