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  • 1980-1984  (3)
  • 1980  (3)
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  • 1980-1984  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pharmacy world & science 2 (1980), S. 613-620 
    ISSN: 1573-739X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Conclusies Bij de rat is de rectale route vrijwel geheel systemisch, terwijl dit bij de mens slechts ten dele het geval is (lidocaïne). De mate waarin ‘first-pass’ metabolisme kan worden vermeden is waarschijnlijk afhankelijk van het farmacon, de toedieningsvorm (de plaats in het rectum waar absorptie optreedt) en de persoon (waarschijnlijk zijn er grote inter-individuele verschillen met betrekking tot de veneuze bloedafvoer in het rectum). Op grond van het verrichte onderzoek kan men niet tot de algemene conclusie komen dat ‘high-clearance’ farmaca een grotere biologische beschikbaarheid zullen hebben wanneer ze rectaal worden toegediend, maar in principe moet wel met deze mogelijkheid rekening worden gehouden. Verder onderzoek zal moeten uitwijzen welke factoren hierbij van doorslaggevende betekenis zijn.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-739X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A gas Chromatographic method is described for the assay of propranolol in human and rat plasma. The extraction with diethylether is relatively simple compared to existing procedures and there is no need for clean-up. Following derivatisation with acetic acid anhydride the derivatives were determined by means of capillary gas chromatography, solid injection and nitrogen-phosphorous selective detection. Calibration curves were linear in the concentration range from 5 to 100 ng/ml plasma. The recovery of propranolol from human and rat plasma was 80% and 100% respectively while the detection limit in both cases was approximately 1 ng/ml. There is no interference with endogenous plasma substances or metabolites and retention times are short (ca. 3 min). An application has been given. (Pharm. Weekblad Sci. Ed.2, 101–105).
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pharmacy world & science 2 (1980), S. 579-580 
    ISSN: 1573-739X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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