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  • 1
    Electronic Resource
    Electronic Resource
    A case of drowning linked to ingested sulfides — a report with animal experiments (1996)
    Springer
    International journal of legal medicine 109 (1996), S. 42-44 
    Details
    ISSN: 1437-1596
    Keywords: Toxicology ; Drowning ; Sulfides ; Human tissue ; Distribution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract An adult male was found dead beneath a pool of sewage in the pump room of a fish market. Autopsy revealed the cause of death to be suffocation after aspirating sewage into the respiratory tract. Since hydrogen sulfide gas was detected in the atmosphere at the scene of the accident, gas poisoning was suspected and toxicological analysis of sulfides in body tissues was performed. The concentrations of sulfides in the blood, lung and kidney were 0.95 μmol/ml, 0.22 and 0.38 μmol/g, respectively. These values were remarkably higher than those in previously reported cases involving exposure to hydrogen sulfide gas. Therefore, oral intake of sulfides was assumed and the distribution of sulfides in tissues following oral administration of sodium sulfide solution was examined by means of animal experiments using rats. The concentration of sulfides in the blood from rats following oral intake was much higher than that seen following gas exposure. Based on these results, we concluded that the victim had been exposed to hydrogen sulfide gas and had then collapse into a pool of sewage containing sulfides. The sulfides which were distributed throughout the body tissues had mainly issued from the alimentary tract prior to death by drowning.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01369601
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  • 2
    Electronic Resource
    Electronic Resource
    How to diagnose polysulphide poisoning from tissue samples (1994)
    Springer
    International journal of legal medicine 106 (1994), S. 288-290 
    Details
    ISSN: 1437-1596
    Keywords: Toxicology ; Polysulphides ; Sulphide ; Tissue samples-GC ; GC/MS ; Poisoning ; Toxikologie ; Polysulfid ; Sulfid ; Gewebe ; Gewebeproben ; GC ; GC/MS ; Vergiftung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Wir haben Tierexperimente durchgeführt, um bei Untersuchung von Gewebsproben toxikologisch eine Polysulfid-Vergiftung zu verifizieren. Ein Bade-Agens, welches Calcium-Polysulfid enthielt, wurde Ratten oral zugeführt. Hierauf wurden Polysulfide und Sulfid, das Abbauprodukt von Polysulfiden, mit Hilfe von GC and GC/MS untersucht. Die Konzentrationen der Polysulfide (μmol/ml oder g) wurden am höchsten im Blut gefunden (0,194), gefolgt von der Leber (0,051), den Lungen (0,018) und den Nieren (0,013). Die Konzentrationen waren in den übrigen getesteten Organen unterhalb der Nachweisgrenze (0,004 μmol/g). Sulfid wurde in allen Gewebsproben gefunden. Mit 0,518 μmol/ml war die Konzentration am höchsten im Blut. Diese Konzentration war 40 mal höher als jene, welche für tödliche Vergiftungen im Falle von H2S-Vergiftung erforderlich ist. Polysulfid-Vergiftungen wurden bestätigend diagnostiziert durch den Nachweis und die Messung von Polysulfiden und in Ergänzung Sulfid in Körpergeweben, am ausgeprägtesten im Blut. Zwei praktische Fallberichte von vermuteter Vergiftung mit Polysulfiden werden kurz beschrieben.
    Notes: Summary We carried out animal experiments to toxicologically verify polysulphide poisoning by analyzing tissue samples. A bathing agent containing calcium polysulphides was administered orally to rats, and then polysulphides and sulphide, the decomposed product of polysulphides, were analyzed by GC and GC/MS. The concentrations of polysulphides (μmol/ml or g) were found to be highest in blood (0.196), followed by the liver (0.051), the lungs (0.018) and kindneys (0.013), but were below the detection limit (0.005 μmol/g) in the other tissues tested. Sulphide was detected in all the tissue samples and was found to be highest in the blood (0.518 μmol/ml), this being 40 times higher than that required for fatal poisoning in the case of hydrogen sulphide. Polysulphide poisoning was considered to be confirmatively diagnosed by detecting and measuring polysuphides and supplementarily sulphide in body tissues, most pertinently in the blood. Two practical cases of suspected poisoning by polysulphides are briefly described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01224772
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  • 3
    Electronic Resource
    Electronic Resource
    Photoelectron spectroscopy of (CO2)n(H2O) m − clusters (1993)
    Springer
    The European physical journal 26 (1993), S. 367-369 
    Details
    ISSN: 1434-6079
    Keywords: 36.40 ; 33.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Photoelectron spectra of (CO2)nH2O− (2≤n≤8) and (CO2)n(H2O) 2 − (1≤n≤2) were measured at the photon energy of 3.49 eV. The spectra show unresolved broad features, which are approximated by Gaussians. The vertical detachment energies (VDEs) were determined as a function of the cluster size. For (CO2)nH2O−, the VDE-n plots exhibit a sharp discontinuity between n=3 and 4; the VDE value is ≈3.5 eV at n=3, while it drops down abruptly to 2.59 eV at n=4. This discontinuity in VDE is ascribed to "core switching" at n=4; a C2O 4 − dimer anion forms the core of (CO2)nH2O− for n≤3, while a monomer CO 2 − is the core for n≥4. The (CO2)2(H2O) 2 − ion has a VDE of 2.33 eV, indicating the presence of a CO 2 − monomer core in the binary clusters containing two H2O molecules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429197
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  • 4
    Electronic Resource
    Electronic Resource
    Photofragmentation of cluster ions: the visible photoabsorption spectrum of Ar2N 2 + (1991)
    Springer
    The European physical journal 20 (1991), S. 153-155 
    Details
    ISSN: 1434-6079
    Keywords: 36.40 ; 33.80 ; 33.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The absolute cross section for photodissociation of Ar2N 2 + was measured as a function of wavelength in the 470–550 nm range. A structureless broad band was observed; the cross section has a maximum of ∼ 210 × 10−18 cm2 at ∼ 500 nm. The measurement of the photofragment time-of-flight spectrum shows that(1) N 2 + , Ar+ and Ar 2 + are produced in the photodissociation of Ar2N 2 + in the wavelength range studied, and that(2) the observed visible absorption band is ascribable to a parallel-type transition of Ar2N 2 + , which possibly retains a linear geometry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01543961
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    Paper (German National Licenses)
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