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  • 1
    Digitale Medien
    Digitale Medien
    Axonal injury and the neuropathology of shaken baby syndrome (1998)
    Springer
    Acta neuropathologica 95 (1998), S. 625-631 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Key words Shaken baby syndrome ; Shaken infant ; Axonal injury ; β-Amyloid precursor protein
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We examined an autopsy series of 14 children with shaken baby syndrome (SBS) who lacked skull fracture. Evidence of axonal injury was sought using immunohistochemical stains for neurofilament, 68-kDa neurofilament and β-amyloid precursor protein (βAPP). βAPP-positive axons were present in the cerebral white matter of all cases of SBS but were also present in 6 of 7 children dying of non-traumatic hypoxic ischemic encephalopathy (HIE). Swollen axons were present in 11 of 14 cases of SBS and in 6 of 7 cases of HIE. βAPP-positive axons were present in both groups in the midbrain and medulla. The cervical spinal cord in SBS contained βAPP-positive axons in 7 of 11 cases; 5 of 7 contained swollen axons within the white matter tracts; in 2 immunoreactivity was localized to spinal nerve roots; in all 7 there was a predilection for staining at the glial head of the nerve root. Among cases of HIE, none showed abnormal axons or βAPP-positive reactivity in the cervical cord white matter. We conclude that cerebral axonal injury is common in SBS, and may be due in part to hypoxic/ischemic injury. Cervical cord injury is also common, and cannot be attributed to HIE. These findings corroborate suggestions that flexion-extension injury about the cervical spinal column may be important in the pathogenesis of SBS.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004010050849
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Volatile food attractants forOryzaephilus surinamensis (L.) from oats (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 301-309 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Oryzaephilus surinamensis ; Coleoptera ; Cucujidae ; oats ; attractants ; (E)-2-nonenal ; (E,E)-2,4-nonadienal ; 2-furaldehyde ; formaldehyde ; propanal ; hexanal ; heptanal ; octanal ; (E)-2-heptenal
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract The sawtoothed grain beetle,Oryzaephilus surinamensis (L.) (Coleoptera: Cucujidae), is attracted to certain volatile components that occur in whole and rolled oats as determined by a laboratory pitfall chamber bioassay. More than 100 components were detected in the attractive carbonyl-containing fractions; 14 of these, making up 60% of the total, were identified and bioassayed. Although hexanal, heptanal, octanal, (E)-2-heptenal, and 2-furaldehyde, at doses ranging variously from 1 to 100 μg, were all significantly attractive, only 1 /10 to 1 /100 as much (E)-2-nonenal or (E,E)-2,4-nonadienal was necessary to produce comparable insect response. In addition, propanal and formaldehyde (previously reported in oats but not detected by us) were bioassayed and found to be attractive.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00987858
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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