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  • 1
    Electronic Resource
    Electronic Resource
    Vestibulo-ocular reflex and gaze functions in a patient with congenital inner ear anomalies (1988)
    Springer
    European archives of oto-rhino-laryngology and head & neck 245 (1988), S. 255-258 
    Details
    ISSN: 1434-4726
    Keywords: Vestibulo-ocular reflex ; Gaze function ; Labyrinthine loss ; Congenital anomaly
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We report on the vestibulo-ocular reflex (VOR) and gaze functions during horizontal rotations as well as upright locomotions in a fisherman with congenital inner ear anomalies. The finding of a marked gaze disturbance due to low VOR gain during passive rotations resembled that found in early acquired lesions. There was an improvement during active rotations, suggesting an intensified cervicoocular reflex. Although head oscillations in the horizontal plane were abnormally large during stepping and running, they were compensated for visually even at high frequencies. The absence of complaints of oscillopsia as well as his ability to achieve proper balance seemed to be accomplished by his optokinetic ability, regularly transformed head oscillations and modified perceptive mechanisms at higher cortical levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00463938
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of alcohol on the vestibulo-ocular reflex and gaze regulation (1989)
    Springer
    European archives of oto-rhino-laryngology and head & neck 246 (1989), S. 195-199 
    Details
    ISSN: 1434-4726
    Keywords: Vestibulo-ocular reflex ; Gaze functions ; Smooth pursuit ; Alcohol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To clarify the effect of the temporary decline in cerebellar function on the vestibulo-ocular reflex (VOR) and gaze functions, we examined 12 normal adults under passive rotations before and after they drank alcohol at dosages of 0.43 and 0.65 g/ kg. Whereas spatial gaze fixation was maintained accurately with 0.65 g/kg administration (0.06% blood alcohol level), gaze fixation on a head-fixed target and smooth pursuit were impaired by the higher dosage of 0.43 g/kg (0.03% blood alcohol). The magnitude of the alteration in the VOR gain after drinking was correlated significantly with the VOR gain before drinking: while small values were enhanced by drinking, large values were suppressed. The present study indicates that the VOR in the dark is regulated by the balance between the amplifying and suppressing forces controlled by the cerebellum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00453661
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Three-phase carboxylation reactions of poly(chloromethylstyrene) beads with sodium nitrite (1987)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 188 (1987), S. 1383-1389 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The formation of carboxylic acid groups (carboxyl + ester groups) was found in a threephase reaction of crosslinked poly(chloromethylstyrene) beads with an excess amount of sodium nitrite in immiscible solvents of benzene and water with tetrabutylammonium bromide as a phase transfer catalyst (PTC), and the dependence of carboxylic acid yield on the experimental conditions was studied. The product contains hydroxyl groups and ester bonds besides carboxyl groups. It was tentatively considered that the carboxyl groups are produced by direct oxidation of chloromethylstyrene groups by nitrous anions. Nitrous anions do not only act as a nucleophile but also as an oxidative reagent in this case.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1987.021880614
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Analysis of crude drugs by pyrolysis gas chromatography (1985)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 8 (1985), S. 360-361 
    Details
    ISSN: 0935-6304
    Keywords: Pyrolysis gas chromatography ; Fused silica open tubular column ; Crude drugs ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240080708
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    Paper (German National Licenses)
    Fulltext
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