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  • 1990-1994  (2)
  • 1993  (2)
  • 1990-1994  (2)
  • 1
    ISSN: 1432-1041
    Keywords: Bronchodilators ; methacholine ; healthy human subjects ; SDZ MKS 492 ; specific airway conductance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary An approximately steady-state reduction of specific airway conductance was induced in healthy human subjects by means of an individualized inhaled methacholine loading dose followed by a maintenance dose regime. Tested against this background bronchoconstriction, the xanthine analogue SDZ MKS 492, when administered as a single oral dose of 40 mg, showed a significant bronchodilator action, which lasted for up to 5.5 h. Bronchodilatation was not seen after administration of 10 or 20 mg doses. SDZ MKS 492 inhaled as a dry powder had a bronchodilator action that was small, most evident with the 12 mg dose and transient. The peak relief of imposed bronchoconstriction was 29% and the apparent half-time of removal of SDZ MKS 492 from its site of action was 5–6 min. Inhaled SDZ 492 had a bitter taste that was not masked by inclusion of menthol and aspartame in the formulation. The bronchodilatation seen in laboratory animals can also be produced by SDZ MKS 492 in man when administered orally or by inhalation. Its magnitude correlates better with the plasma concentration of parent drug than with that of either of the identified metabolites. Dispositional processes in the lung abbreviate its action after administration by inhalation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 58 (1993), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Polymerization of beef actomyosin was induced by addition of transglutaminase. The relative intensity analyzed by densitometry after sodium dodecyl sulfate polyacrylamide gel electrophoresis indicated that bands containing the polymerized myosin increased from 10.1 ± 2.2% to 20.7 ± 3.5% while the myosin monomer band decreased from 20.9 ± 3.4% to 13.0 ± 2.7% as the reaction time extended from 10 to 120 min at 35°C. Polymerization of actomyosin induced by transglutaminase resulted in gelation of the actomyosin that was visualized by confocal laser scanning microscopy.
    Type of Medium: Electronic Resource
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