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  • Articles: DFG German National Licenses  (4)
  • 1990-1994  (4)
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  • Articles: DFG German National Licenses  (4)
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Investigation of photoinduced molecular switching in a single monolayer by a displacement-current-measuring technique (1991)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 95 (1991), S. 8561-8567 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The optical molecular switching in single monolayers containing azobenzene derivatives at the air water interface due to photoinduced cis-trans isomerization was detected by using a displacement-current-measuring technique. The reversible displacement current generation was found to be sustained by the alternative applications of ultraviolet light and visible light, whereas, the current generation was never initiated by the successive irradiation of ultravilolet or visible light. In order to clarify the physical mechanism relevant to the displacement current generation, the optical molecular switching in single monolayers deposited on solid substrates was also examined by the displacement-current-measuring technique using a (indium tin oxide)/monolayer/air-gap/(indium tin oxide) structure. As a result, the displacement-current generation from single monolayers deposited on the solid substrates was found to be initiated in a similar manner as that from monolayers formed on the water surface. Finally, we concluded that the technique developed here will be used for a better understanding of the relationship between the structure and function of monolayers and will also be used in future molecular electronic technologies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.461234
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Stimulatory Effects of Exogenous Thyroid Hormone and Growth Hormone on sn-Glycerol-3-Phosphate Dehydrogenase Activity in the Genetic-Hypothyroid Mutant Mouse Cerebellum: Restricted to the Second 20 Days of Postnatal Life (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 59 (1992), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: We recently reported that by postnatal day 40 the activity of sn-glycerol-3-phosphate dehydrogenase (GPDH) was significantly depressed in the cerebellum of genetic-hypothyroid mutant mice. This mutant mouse-GPDH combination was used in the present study to define the critical time period during which thyroid hormone (T4) and growth hormone (GH) are essential for maturation of Bergmann glial cells. Our findings are that (a) induction of GPDH activity in the Bergmann glial cell is dependent on T4, (b) T4 is most effective when administered during the second 20 days of postnatal life, (c) the effect of GH on GPDH activity is complementary to or synergistic with that of T4, and (d) Bergmann glial cells and radial glial fibers of the mutant mice contain immunoreactive GPDH following various hormonal treatments. These results suggest that T4 is indispensable for the maturation of Bergmann glial cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1992.tb10087.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Generation of Maxwell displacement current across an azobenzene monolayer by photoisomerization (1991)
    [s.l.] : Nature Publishing Group
    Nature 353 (1991), S. 645-647 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] According to Maxwell's electromagnetic field theory6, the total current flowing across a monolayer is the sum of the conduction current and displacement current. The conduction current is the steady-state current, and it is generated by applying a potential difference between two electrodes which ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/353645a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Microcephalic cerebrum with hypomyelination in the congenital goiter mouse (cog) (1992)
    Springer
    Neurochemical research 17 (1992), S. 1037-1040 
    Details
    ISSN: 1573-6903
    Keywords: Congenital Goiter Mouse (cog) ; microcephalic cerebrum ; hypomyelination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract 2′,3′-Cyclic nucleotide 3′-phosphohydrolase activity in the cerebrum of the congenital goiter mouse (cog/cog) is reduced in comparison with the normal heterozygote (cog/+). The weight of thecog/cog cerebrum and cerebellum were significantly less than those of the normal controls, 89.0% less for the cerebrum, and 81.1% less for the cerebellum. However, no differences were observed with regard to DNA and RNA content and the RNA/DNA ratio. The results of this study indicate that hypomyelination in the congenital goiter mouse is restricted to the cerebrum, and is not related to arrested glial proliferation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00966833
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    Paper (German National Licenses)
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