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  • 1
    Electronic Resource
    Electronic Resource
    Time-related variation of non-protein sulfhydryl concentrations in rat tissues and human blood (1979)
    Springer
    International archives of occupational and environmental health 42 (1979), S. 141-148 
    Details
    ISSN: 1432-1246
    Keywords: Non-protein sulfhydryl concentration ; Liver ; Lung ; Kidney ; Blood ; Rat ; Human ; Glutathione
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The concentration of non-protein sulfhydryl compounds (NPSH) were measured at various times of the day in rat blood, liver, lung, and kidney as well as in human blood. In each of these cases, there was a significant (p 〈 0.05) 24 h concentration variation. The variation in rat liver non-protein sulfhydryl concentration, with a maximum around the noon-time period and a minimum around midnight, appeared to be related to food intake. Blood, lung, and kidney concentrations were not similarly related to food intake. No simple, linear correlation could be shown between tissue non-protein sulfhydryl concentration among the four rat tissues. Thus, rat blood NPSH does not predict rat tissue NPSH concentrations. In seven normal human volunteers, four males and three females, significant 24 h variations in blood NPSH concentrations were observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00377768
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  • 2
    Electronic Resource
    Electronic Resource
    Ab initio study of the structures of polythionylphosphazene molecular mimics with H, Cl, and CH3 side groups: 3-21G* and 6-31G* Basis sets comparison (1995)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 53 (1995), S. 321-334 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The stable structures of substituted polythionylphosphazene single chains have been modeled with small molecular compounds consisting of one repeat unit of the polymer. The geometrical parameters of the nonplanar “trans-cis” conformations of these molecular models are obtained using the ab initio molecular orbital theory. The substituents studies include hydrogen and chlorine atoms and methyl groups. Two basis sets, 3-21G* and 6-31G*, were used in the computations. We have found a very good agreement between the molecular geometries obtained from the two basis sets computations for the methyl-substituted model compounds. The agreement is not as good for the hydrogenated and especially for the chlorinated model compounds. The comparison seems to indicate that the 6-31G* is an essential basis set for the chlorinated compounds. The magnitude of the total dipole moments for these compounds ranges between 3.7 and 7.9 Debye. © 1995 John Wiley & Sons, Inc.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560530308
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    Paper (German National Licenses)
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