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  • Analytical Chemistry and Spectroscopy  (2)
  • APACHE  (1)
  • CD3SCD3  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Severity of illness and outcome of treatment in alcoholic patients in the intensive care unit (1988)
    Springer
    Intensive care medicine 15 (1988), S. 19-22 
    Details
    ISSN: 1432-1238
    Keywords: Alcoholics ; APACHE ; TISS ; Mortality ; ICU
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To study whether critically ill alcoholics were more sick and had a worse outcome than other patients treated in the intensive care unit, data were collected during the initial 24 h on 216 consecutive patients admitted to an intensive care unit. Twentysix patients (12%) met the criteria for alcohol abuse. The patients' chronic health 6 months prior to admission and the extent of physiological derangement (Acute Physiology Score and Chronic Health Evaluation (APACHE)) were recorded just as the type and amount of treatment (Therapeutic Intervention Scoring System (TISS)). Alcoholics were found to be significantly more sick and had a higher mortality (50% compared to 26%) than other critically ill patients. However, when analyzing the TISS points, no difference was found between the two groups. All survivors were, every third month up to 1 year after admission, asked to fill in a questionnaire indicating their level of activity. No differences were found between the two groups 1 year after admission, but the alcoholics had lost more time due to death. It is concluded that studies with larger number of patients will reveal whether alcogolics constitute a special category of patients with a different prognosis than other ICU patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00255630
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  • 2
    Electronic Resource
    Electronic Resource
    Products and mechanisms of the gas phase reactions of NO3 with CH3SCH3, CD3SCD3, CH3SH and CH3SSCH3 (1992)
    Springer
    Journal of atmospheric chemistry 14 (1992), S. 95-108 
    Details
    ISSN: 1573-0662
    Keywords: Products ; mechanism ; NO3 ; gas phase ; CH3SCH3 ; CD3SCD3 ; CH3SH ; CH3SSCH3 ; isotope effect ; air ; troposphere
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences
    Notes: Abstract Products and mechanisms of the reaction between the nitrate radical (NO3) and three of the most abundant reduced organic sulphur compounds in the atmosphere (CH3SCH3, CH3SH and CH3SSCH3), have been studied in a 480 L reaction chamber using in situ FT-IR and ion chromatography as analytical techniques. In the three reactions, methanesulphonic acid was found to be the most abundant sulphur containing product. In addition the stable products SO2, H2SO4, CH2O, and CH3ONO2 were identified and quantified and thionitric acid-S-methyl ester (CH3SNO2) was observed in the i.r. spectrum from all of the three reactions. Deuterated dimethylsulphide (CD3SCD3) showed an isotope effect on the reaction Deuterated dimethylsulphide (CD3SCD3) showed an isotope effect on the reaction rate constant (kH/kD) of 3.8±0.6, indicating that hydrogen abstraction is the first step in the NO3+CH3SCH3 reaction, probably after the formation of an inital adduct. Based on the products and intermediates identified, reaction mechanisms are proposed for the three reactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00115226
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Collision-induced dissociation of C60-: Effect of energy-coupling processes on the dissociation dynamics (1995)
    New York, NY : Wiley-Blackwell
    Rapid Communications in Mass Spectrometry 9 (1995), S. 114-118 
    Details
    ISSN: 0951-4198
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Dissociation of C60- ions induced in 30 keV collisions with atomic and molecular gases has been studied. The pattern of negativeion formation from C60- precursors is found to be distinctly different from that obtained for positive-ion fragments from C60+ precursors in that the collision-induced dissociation spectrum in the former case is dominated by small negative clusters, presumably of linear geometry, Simple arguments utilizing the relationship of electrostatic properties of different molecular structures to their electron affinities and ionization energies have been invoked to rationalize these observations. The difference in the dissociation dynamics of C60- and C60+ ions is discussed in terms of competition between different energy-coupling schemes involving either electronic degrees of freedom or nuclear (vibrational) degrees of freedom.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/rcm.1290090203
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  • 4
    Electronic Resource
    Electronic Resource
    Resonance Raman spectrum of the transient dimethylsulfide dimer radical cation |(CH3)2S|2+· (1981)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 11 (1981), S. 24-26 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The resonance Raman spectrum of the transient thioether radical cation dimer complex |(CH3)2S|2+·, generated by electron irradiation of an aqueous solution of dimethylsulfide and recorded by optical multichannel detection, is reported. Vibrational bands at 276 cm-1 and 139 cm-1 were detected and are assigned to the stretching mode of the quasi-three-electron S—S bond and a δ(CSS) deformation mode, respectively.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250110108
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    Paper (German National Licenses)
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