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  • 1
    Electronic Resource
    Electronic Resource
    Doppler-free laserspectroscopic investigations of hyperfine structure in the atomic cobalt spectrum (1990)
    Springer
    The European physical journal 17 (1990), S. 181-193 
    Details
    ISSN: 1434-6079
    Keywords: 35.10.Fk ; 32.20.Jc ; 31.30.Gs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Performing Doppler-free laserspectroscopic investigations in the red wavelength region (640–670 nm) we were able to determine 10A-factors and 9B-factors of atomic cobalt levels. Now precise values of 18A-factors and 16B-factors of levels belonging to the configurations (3d+4s)9 are known. Fitting of the one-electron radial parameters to introduce agreement between experimental and theoretical hfs constants allows the prediction of hfs constants of not yet investigated fine structure levels. Values of the electric quadrupole moment of the Co59 nucleus are determined in two electron configurations. The resulting mean value of the spectroscopic quadrupole moment isQ=0.35(3) barn.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437898
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  • 2
    Electronic Resource
    Electronic Resource
    Determination of cyclosporin A in blood and plasma by column switching-HPLC after rapid sample preparation (1982)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 5 (1982), S. 424-427 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Column switching ; Step gradient ; Immunosuppressive agent ; Determination in blood and plasma ; Deproteinization ; On-line sample clean-up ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A method for the determination of cyclosporin A in human whole blood and plasma is described which uses liquid chromatography with step gradient elution and a column switching technique. The chromatographic conditions chosen allow simple and rapid sample preparation, so that a result can be obtained within one hour. Blood and plasma are deproteinized with diluted methanol and an aliquot of the clear supernatant is directly injected. The detection limit for cyclosporin A is about 20 ng/ml starting from a 0.5 ml sample. The method is sensitive enough for monitoring the drug in the therapeutic range.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240050806
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    Paper (German National Licenses)
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