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  • 1
    Digitale Medien
    Digitale Medien
    Effect of reduced p50actual on mixed venous PO2 in critically ill patients (1996)
    Springer
    Intensive care medicine 22 (1996), S. S51 
    Details
    ISSN: 1432-1238
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Conclusions The amount of oxygen delivered to the oxygen-consuming mitochondria within a tissue is critically dependent on the oxygen tension gradient between the capillary lumen and the tissue. Leftward shift of oxygen binding curve decreases the magnitude of this gradient. In our patients total oxygen supply was not compromised sufficiently to enable us to demonstrate any actual disadvantage caused by the decreased p50act, however we found an unsafe drop in PvO2, below 32 mmHg, in 13 patients. p50act has a strong correlation with mixed venous pH and pCO2. The maintenance of a mild acidosis and hypercapnia could prevent unsafe drops in PvO2 values.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01921225
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Quantitation of 1,2 and 1,4-naphthoquinone in phthalic anhydride by HPLC (1985)
    Springer
    Chromatographia 20 (1985), S. 96-98 
    Details
    ISSN: 1612-1112
    Schlagwort(e): Column liquid chromatography ; Phthalic anhydride ; Naphthoquinones
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary A simple method of analysis of the 1,2 and 1,4 isomers of naphthoquinone in crude phthalic anhydride has been developed. The sample was first dissolved in water at 60°C to quantitatively hydrolyse the anhydride to phthalic acid. Analysis of the aqueous solution by reversed-phase HPLC using 75∶25 methanol:water mobile phase resulted in excellent resolution between the phthalic acid and the naphthoquinones and enabled quantitative measurement of each of the naphthoquinones to 0.1 % in crude phthalic anhydride.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02280604
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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