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  • Electronic Resource  (3)
  • 2000-2004  (2)
  • 1975-1979  (1)
  • Brain monoamines  (1)
  • Nerve, optic  (1)
  • PACS. 24.60.Dr Statistical compound-nucleus reactions – 25.70.Gh Compound nucleus – 25.70.Jj Fusion and fusion-fission reactions  (1)
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  • Electronic Resource  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Light-charged-particle evaporation from hot 31P nucleus at E*∼ 60 MeV (2002)
    Springer
    The European physical journal 14 (2002), S. 53-61 
    Details
    ISSN: 1434-601X
    Keywords: PACS. 24.60.Dr Statistical compound-nucleus reactions – 25.70.Gh Compound nucleus – 25.70.Jj Fusion and fusion-fission reactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The inclusive energy spectra of light charged particles, such as, α, p, d and t, evaporated from the hot 31P nucleus at an excitation energy E *∼ 60 MeV, have been measured at various angles. The compound nucleus 31P has been populated using two different entrance channel configurations; i.e., 7Li (47 MeV) + 24Mg and 19F (96 MeV) + 12C reactions, leading to the same excitation energy of the compound system. It has been observed that the spectra obtained in the 7Li (47 MeV) + 24Mg reaction follow the standard statistical-model prediction with a spherical configuration of the compound nucleus. But, the spectra obtained in the 19F (96 MeV) + 12C reaction deviate from similar predictions of the statistical model both on higher- as well as on lower-energy sides. Considerable deformation was required to be incorporated in the calculation in order to reproduce the measured-energy spectra in this case. Dynamical trajectory model calculations were not found to play any significant role in explaining the differences in behaviour between the two cases under study. The observed discrepancy has been attributed to the difference in the angular-momentum distributions of the compound nuclei formed in the two reactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epja/iepja1269
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  • 2
    Electronic Resource
    Electronic Resource
    Anticonvulsant action of cannabis in the rat: Role of brain monoamines (1978)
    Springer
    Psychopharmacology 59 (1978), S. 293-297 
    Details
    ISSN: 1432-2072
    Keywords: Cannabis indica ; Anticonvulsant action ; Brain monoamines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The role of brain monoamines in the anticonvulsant action of Cannabis indica resin (CI), against maximal electroshock-induced seizures in albino rats, was investigated by using pharmacologic agents that influence brain monoamine activity. Delta-9-tetrahydrocannabinol content of cannabis resin was estimated to be 17%. The anticonvulsant action of CI (200 mg/kg, i.p.) was significantly inhibited after pretreatment with drugs that reduce brain serotonin activity but not by drugs that reduce brain catecholamine activity. Similarly, the anticonvulsant action of a subanticonvulsant dose (50 mg/kg, i.p.) of CI was potentiated by serotonin precursors but not by catecholamine precursors. Potentiation of the anticonvulsant action of CI by nialamide or by imipramine was inhibited after pretreatment with 5,6-dihydroxytrypt-amine. The results suggest that the anticonvulsant action of CI in the rat is serotonin- and not catecholamine-mediated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00426637
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    MRI of the intraorbital optic nerve in patients with autosomal dominant optic atrophy (2000)
    Springer
    Neuroradiology 42 (2000), S. 180-183 
    Details
    ISSN: 1432-1920
    Keywords: Key words Magnetic resonance imaging ; Nerve, optic ; Optic atrophy, dominant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Measurements of the intraorbital optic nerve were made using high-resolution coronal MRI in 10 adults with autosomal dominant optic atrophy. Comparisons were made with previous studies of 10 normal adult subjects. The cross-sectional diameters of the optic nerve and the perineural subarachnoid space were measured and a ratio of there diameters at anterior, mid and posterior positions along the optic nerve was determined. We found a statistically significant difference in the mean optic nerve: sheath ratio between the control group and patients with autosomal dominant optic atrophy. At anterior, mid and posterior locations along the optic nerve it is significantly smaller in patients with optic atrophy. We have demonstrated that the loss of ganglion cells, previously documented in dominant optic atrophy, is associated with a significant loss of optic nerve tissue and thinning of the nerve along its length.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050041
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    Paper (German National Licenses)
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