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  • 1985-1989  (1)
  • 1965-1969  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Studies on Si(111) 7/8 × 7/8 -Bi and -Ag surfaces by x-ray diffraction under nearly normal incidence : INTERNATIONAL CONFERENCE ON SYNCHROTRON RADIATION INSTRUMENTATION (1989)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 60 (1989), S. 2365-2368 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: X-ray intensity versus energy (I-E) curves were measured in order to obtain the rod profiles. The three-dimensional surface structures of Si(111) 7/8 × 7/8 -Bi and -Ag were analyzed. The adsorption sites with respect to the crystal were derived from the intensity changes along the integral-order rods especially near the Bragg points by utilizing the interference effect between the x rays diffracted from the adsorbed layer and the bulk crystal. The positions of the surface Si atoms were studied by using the interference effect between the x rays diffracted from the adsorbed layer and the surface Si layer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1140721
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    STUDIES OF AMINES IN THE STRIATUM IN MONKEYS WITH NIGRAL LESIONS (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 16 (1969), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effects of ventromedial tegmental lesions on the biosynthesis and disposition of biogenic amines in the striatum of monkeys were investigated. The concentrations of endogenous dopamine and of the intraventricularly injected [3H]dopamine were distinctly lower in the striatum on the lesion side than on the intact side.The storage of [3H]dopamine in the caudate nucleus was impaired to a much greater extent than the storage of the newly synthesized [3H]norepinephrine.The concentrations of endogenous serotonin and of the intraventricularly injected [14C]serotonin were lower in the striatum on the lesion side than on the intact side. However following MAO inhibition, the concentration of [14C]serotonin did not differ significantly on the two sides of the caudate nucleus.The in vivo biosynthesis of dopamine from tyrosine was significantly reduced in the striatum on the lesion side. Tyrosine hydroxylase and DOPA decarboxylase activities were decreased on the lesion side of the striatum as compared with the intact side. Thus, the ventromedial tegmental lesions affect the storage and the synthesis of dopamine and serotonin in the ipsilateral striatum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1969.tb06864.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Drug-induced Relief of the Tremor in Monkeys with Mesencephalic Lesions (1969)
    [s.l.] : Nature Publishing Group
    Nature 224 (1969), S. 382-384 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Tremor recorded from the upper limbs of a monkey with a mesencephalic lesion. Record on the left taken before the administration of DL-5-HTP. Record on the right taken following administration of DL-5-HTP (25 mg/kg). Because patients with Parkinson's disease respond to treatment with ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/224382a0
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    Paper (German National Licenses)
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