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  • 1
    ISSN: 1432-1459
    Keywords: Key words Neuron-specific enolase ; s-100 protein ; Generalized seizures ; Epilepsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Serum neuron-specific enolase (s-NSE) and s-100 protein (s-100) are sensitive markers of various brain diseases. We investigated both of these markers in nine patients within 5 min, 6 h, 12 h, and 48 h after a single tonic-clonic seizure. The mean peak s-NSE level was significantly higher after 5 min (11.97 ± 8.56 μg/l) and 48 h (10.31 ± 8.92 μg/l, P 〈 0.05) than the levels of seizure-free, age-matched controls. Five patients had increased s-NSE levels regarding the upper limit of normal as mean + 3 SD. s-100 was not detected either in controls or epileptic patients. These data indicate that s-NSE in contrast to s-100 may be an in vivo marker after generalized seizures in some patients.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 4139-4141 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Phase-matched second harmonic generation over 7 mm is demonstrated using the modal dispersion of a composite 4-dimethylamino-4′-nitrostilbene/polyetherimde channel waveguide. For a 1-mm-long sample a record figure of merit for polymers of η=P2ω/(PωL2)=14%/W cm2 was measured at 1550 nm. This is comparable to the value reported for LiNbO3 at that wavelength. The efficiency in longer samples is limited by fundamental and harmonic waveguide losses. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 1991-1993 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We discuss the critical trade-off between the spectral dispersion in the second order nonlinearity d(2) and the linear absorption coefficient for second harmonic generation (SHG) by the mixing of copropagating or counterpropagating fundamental beams in poled polymers. The 4-dimethylamino–4′-nitrostilbene side-chain polymer is used as a specific example. The predictive power of the classical two-level model for SHG is also assessed. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    International archives of occupational and environmental health 61 (1988), S. 197-205 
    ISSN: 1432-1246
    Keywords: Orthopaedic diseases ; Spinal diseases ; Transport workers ; Work-related diseases ; Plant health service's file
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Material handling tasks result in high load on the skeletal system. Long-term employment in transportation jobs may therefore cause a high frequency of orthopaedic diseases, particularly in the spinal region. An epidemiological study was performed on employees from a large company in order to test this hypothesis. The medical history of 249 male transport workers was examined by means of statistical analysis of the orthopaedic diseases documented in the record file of their company's health service. For purposes of comparison, the same data evaluation was performed for an age-matched reference group consisting of 267 persons chosen randomly from among the male employees in the same company. The proportion of persons with orthopaedic diseases amounts to 77.1% among the transport workers and 62.9% among the reference persons. It is consequently 1.22 times higher for the transport workers than for the reference persons (“rate ratio RR” = 1.22). The greatest part of all orthopaedic diseases affects the spine. Within the spine, the lumbar region is the most frequently damaged. Both for the totality of all spinal sections as well as for diseases of particular spinal sections (cervical, thoracic, lumbar spine), the proportion of the transport workers with diseases is higher than that of the reference persons (RR between 1.20 and 1.36). The proportion of persons with spinal diseases increases with age in both groups. There is no observable difference between the groups with regard to the frequency of persons with degenerative diseases. By contrast, the proportion of persons with “lumbar complaints” (e.g. lumbago, lumbalgia, lumbar ischialgia) is higher among the transport workers than among the reference persons (RR = 1.22). Lumbar complaints occur particularly frequently among the transport workers after a short period of employment. Suggestions for special medical care of transport workers in the first years of employment are derived from this.
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 2019-01-24
    Language: English
    Type: conferenceobject , doc-type:conferenceObject
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