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  • Antemortal alternation, catecholamine and serotonin in mouse brain  (1)
  • GLUT3  (1)
  • Key words: Attenuation, crust, frequency dependence, high-frequency seismic waves, quality factor.  (1)
  • 1
    ISSN: 0014-5793
    Keywords: GLUT3 ; Glial fibrillary acidic protein (GFAP) ; Glucose transporter ; Neuron specific enolase (NSE)
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1420-9136
    Keywords: Key words: Attenuation, crust, frequency dependence, high-frequency seismic waves, quality factor.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract —Borehole seismograms from local earthquakes in the aftershock region of the 1984 western Nagano Prefecture, Japan earthquake were analyzed to measure the frequency-dependent characteristics of P- and S-wave attenuation in the upper crust. The records from a three-component velocity seismometer at the depth of 145m exhibit high S/N-ratio in a wide frequency range up to 100 Hz. Extended coda normalization methods were applied to bandpass-filtered seismograms of frequencies from 25 to 102 Hz. For the attenuation of high-frequency P and S waves, our measurements show Q P -1≃ 0.052ƒ-0.66 and Q S -1≃ 0.0034ƒ-0.12 respectively. The frequency dependence of the quality factor of S waves is very weak as compared with that of P waves. The ratio of Q P -1/Q S -1 is larger than unity in the entire analyzed frequency range.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 93 (1984), S. 211-218 
    ISSN: 1437-1596
    Keywords: Monoamines, asphyxia ; Antemortal alternation, catecholamine and serotonin in mouse brain ; Ersticken, Konzentrationsänderung der Monoamine ; Monoamine, Verhalten bei Asphyxie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Die Konzentrationsänderung der Monoamine Norepinephrin (NE), Dopamin (DA) und Serotonin (5-HT) im Gehirn wurde während der akuten Asphyxie (Strangulation, Anoxie und Ertrinken) experimentell an Mäusen untersucht. In verschiedenen Versuchsgruppen wurde eine signifikante, lineare Abhängigkeit der Monoamin-Werte NE, DA, und 5-HT zur Länge des agonalen Stadiums beobachtet, wobei folgende Korrelationskoeffizienten errechnet wurden: r=0,50, 0,98, (P〈0,05) und 0,57. Hieraus wird geschlossen, daß die Konzentration des NE und 5-HT im Gehirn bei den asphyktischen Tieren zunimmt, die das 5-HT bei den Tieren unter Anoxie abfällt, hingegen einen etwa zweifachen Anstieg bei den Tieren aufweist, die ertranken. Darüber hinaus ließ sich eine Tendenz zu höheren DA-Werten feststellen, die in Abhängigkeit zur Länge der agonalen Phase steht.
    Notes: Summary The changes of the brain monoamines, norepinephrine (NE), dopamine (DA), and serotonin (5-HT), during acute asphyxia, caused by strangulation, anoxia, and drowning, were studied in the mouse. In several asphyxiated animal groups significant linear correlation was found between the level of monoamines, NE, DA, and 5-HT, and the death process times or antemortem times were r=0.50, 0.98 (P〈0.05), and 0.57, respectively. It is concluded that the level of brain NE and DA increased in the mouse that died of asphyxia, and the level of 5-HT showed only an apparent decrease in anoxia groups as compared with the control group and showed a twice as high increase in drowning groups. Especially, there was a tendency that the longer the death process times or antemortem times, the higher was the level of DA.
    Type of Medium: Electronic Resource
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