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  • 2005-2009
  • 2000-2004
  • 1970-1974  (4)
  • 1972  (4)
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  • 2005-2009
  • 2000-2004
  • 1970-1974  (4)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Time-shared routines for X-ray line broadening analysis (1972)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 5 (1972), S. 389-394 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Five powder diffractometers have been interfaced with a time-shared computer, equipped with a comprehensive set of X-ray powder-pattern analysis programs, to facilitate data acquisition and analysis. The disk-oriented line-broadening analysis routine provides estimates of particle size and micro-strain distributions together with estimates of average particle sizes and macro-strains for cubic crystalline systems. All calculations are performed routinely for all samples, providing comprehensive reports at little more effort and expense than that incurred in the routine preparation of d-value and intensity lists.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889872010003
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    A New Source for the Large-scale Electric Fields in the Magnetosphere (1972)
    [s.l.] : Nature Publishing Group
    Nature 238 (1972), S. 91-92 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The existence of an extraterrestrial ring current encircling the Earth was postulated6?8 in the early 1930s in an attempt to account for the global depression of the horizontal component of the Earth's magnetic fields observed at low and middle latitudes during the principal phase of magnetic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/238091a0
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of 5-hydroxydopamine on uptake and content of serotonin in rat striatum (1972)
    Springer
    Cellular and molecular life sciences 28 (1972), S. 439-441 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung 5-OH-Dopa und 5-OH-Dopamin senken in vivo den Serotoningehalt und vermindern in vitro dosisabhängig die Aufnahme von3H-Serotonin im Striatum von Ratten. Es kann daher angenommen werden, dass 5-OH-Dopamin in vivo überwiegend eine Verdrängung von Serotonin aus den serotoninergen Speichern verursacht, während in vitro zusätzlich eine Verdrängung von unspezifisch in katecholaminerge Speicher aufgenommenem Serotonin auftreten kann.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02008328
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Amantadine actions on acetylcholine and GABA in striatum and substantia nigra of rat in relation to behavioral changes (1972)
    Springer
    Journal of neural transmission 33 (1972), S. 45-61 
    Details
    ISSN: 1435-1463
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A relatively high dose of amantadine (100 mg/kg i.p.) causes rigidity with humpback and tremor-like movements, but at a milder degree than harmaline. The amantadine induced syndrome is later accompanied with locomotor hyperactivity. Biochemically amantadine produces an increase of acetylcholine (ACh) content (100%) in the striatum, but with no effect on the striatal serotonin or dopamine, while GABA is increased 17% in striatum and 23% in substantia nigra. The enzyme activities involved in synthesis and degradation of ACh and GABA, namely glutamic acid decarboxylase, GABA-transaminase, and cholineacetyltransferase, are not altered after amantadine hydrochloride. The acetylcholinesterase activity in the striatum appears to show a slight decrease. The rigidity and the tremor-like movements after amantadine can be explained by the increased striatal acetylcholine as in the case of harmaline. The locomotor hyperactivity and the circling movements after amantadine hydrochloride may result from the inhibition of recurrent nigro striatal (dopaminergic) fibers influenced by the increased GABA activity in the substantia nigra, thereby causing disinhibition of the pallidar structures for locomotor activity. The cause of stereotypy and convulsions requires further investigations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01244727
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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