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  • Electronic Resource  (3)
  • Methadone presence in perspiration  (2)
  • 42.62.Fi  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 56 (1993), S. 8-13 
    ISSN: 1432-0649
    Keywords: 42.62.Fi ; 42.65.Ky ; 42.79.Nv
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report a high-power source of coherent picosecond light pulses based on optical parametric generation and amplification in LiB3O5 and AgGaS2 crystals. The spectral range of this continuously tunable source covers the visible, near-infrared and medium-infrared spectrum from 0.41 to 12.9 μm. An optical parametric generator and amplifier, consisting of two type-I phase-matched LiB3O5 crystals and a diffraction grating, is pumped by the third harmonic of a picosecond Nd:YAG laser and provides spectrally narrow, high-power pulses from 0.41 to 2.4 μm. Energy conversion efficiencies up to 16 percent are achieved. The pulse duration is about 14 ps, the bandwidth between 10 and 30 cm−1. The tuning range is extended to 12.9 μm by mixing the infrared output between 1.16 and 2.13 μm with the fundamental of the Nd:YAG laser in type-I-phase-matched AgGaS2 crystals. Up to 25 percent of the pulse energy at 1.064 μm is converted into parametric infrared pulses. Bandwidths between 3 and 8 cm−1 and a pulse duration of approximately 19 ps are measured for these pulses. We also observe a retracing behaviour in the tuning curve of AgGaS2 not reported before.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 103 (1990), S. 323-327 
    ISSN: 1437-1596
    Keywords: Methadone presence in perspiration ; Methadon im Schweiß
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Es wurden Untersuchungen zum Nachweis von Methadon im apokrinen Schweiß durchgeführt. Die Schweißproben wurden von der Achselregion von Patienten, die unter Methadontherapie standen, in einer 24-Stunden-Sammelperiode gewonnen. Die mittels RIA gemessenen Konzentrationen lagen im Bereich von 8,3 ng/cm2/24 Std. bis 25,3 ng/cm2/24 Std. Die Werte stellen die Summe von Methadon und Metaboliten dar. Das Vorhandensein von Methadon im Schweiß wurde zusätzlich mittels GC/MS bestätigt.
    Notes: Summary The presence of methadone was investigated in 24-h perspiration samples obtained from patients receiving daily maintenance doses of the drug. The samples were collected from the axillary region. The concentrations measured by radioimmunoassay ranged from 8.3 ng/cm2 per 24 h up to 25.3 ng/cm2 per 24 h. The concentrations determined by RIA are the sum of methadone and its metabolites. The presence of the drug in the perspiration samples was also revealed by GC/MS.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 103 (1990), S. 323-327 
    ISSN: 1437-1596
    Keywords: Methadone presence in perspiration ; Methadon im Schweiß
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Es wurden Untersuchungen zum Nachweis von Methadon im apokrinen Schweiß durchgeführt. Die Schweißproben wurden von der Achselregion von Patienten, die unter Methadontherapie standen, in einer 24-Stunden-Sammelperiode gewonnen. Die mittels RIA gemessenen Konzentrationen lagen im Bereich von 8,3 ≯/cm2/24 Std. bis 25,3 ≯/cm2/24 Std. Die Werte stellen die Summe von Methadon und Metaboliten dar. Das Vorhandensein von Methadon im Schweiß wurde zusätzlich mittels GC/MS bestätigt.
    Notes: Summary The presence of methadone was investigated in 24-h perspiration samples obtained from patients receiving daily maintenance doses of the drug. The samples were collected from the axillary region. The concentrations measured by radioimmunoassay ranged from 8.3 ≯/cm2 per 24 h up to 25.3 ≯/cm2 per 24 h. The concentrations determined by RIA are the sum of methadone and its metabolites. The presence of the drug in the perspiration samples was also revealed by GC/MS.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
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