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  • 1
    Electronic Resource
    Electronic Resource
    Effect of Finish and Ripening on Vitamin B6 and Pantothenic Acid Content of Beef (1966)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 14 (1966), S. 485-486 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60147a012
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  • 2
    Electronic Resource
    Electronic Resource
    Lack of interaction between ramipril and simvastatin (1994)
    Springer
    European journal of clinical pharmacology 47 (1994), S. 373-375 
    Details
    ISSN: 1432-1041
    Keywords: ACE-inhibitors ; Simvastatin ; ramipril ; lipid lowering drugs ; drug interaction ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract Twenty two healthy males participated in a randomised, placebo-controlled, double blind, cross-over study to investigate the influence of simvastatin on the pharmacokinetics of ramipril and its active metabolite (ramiprilat), and on the ACE-inhibiting effect of ramiprilat. During two study periods, each of 7 days, subjects received daily either simvastatin 20 mg at 19.00 h or placebo; ramipril (5 mg) was given on Day 5 of each of the periods. Plasma concentrations of ramipril and ramiprilat and ACE-activity were measured in sequential blood specimens, and ramipril and ramiprilat concentrations were measured in urine. Blood and urine collections for pharmacokinetic and pharmacodynamic assessment were made up to 72 h after the dose of ramipril. The mean AUC of ramipril for ramipril+placebo (R+P) and ramipril+simvastatin (R+S) was 22.2 and 21.3 ng.h.ml−, respectively; for ramiprilat the corresponding figures were 61.3 and 57.6 ng.h.ml−. The urinary excretion of ramipril+metabolites for (R+P) and (R+S) was 25.2 and 24.1% of dose. The maximum percentage inhibition of ACE-activity for (R+P) was 94.6%, and for (R+S) it was 94.1%. It is concluded that concomitant administration of simvastatin and ramipril has no clinically relevant effect on the pharmacokinetics or ACE-inhibition of the latter drug and its metabolites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00191171
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  • 3
    Electronic Resource
    Electronic Resource
    Pharmacokinetic aspects of the interaction between clobazam and cimetidine (1983)
    Springer
    European journal of clinical pharmacology 25 (1983), S. 139-142 
    Details
    ISSN: 1432-1041
    Keywords: clobazam ; cimetidine ; N-desmethylclobazam ; kinetic interaction ; man
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetic interaction between clobazam and cimetidine was studied in 9 healthy male volunteers in an open-labelled study. After a single oral dose of clobazam 30 mg, a wash-out period of 14 days was followed by daily doses of cimetidine 1 g for one week. Thereafter a single oral dose of clobazam 30 mg was again given. The plasma concentrations of clobazam and its main metabolite N-desmethyl-clobazam were measured by gas-chromatography. The area under the curve (AUC0−∞) of plasma clobazam level was significantly larger after pretreatment with cimetidine and the elimination half life of clobazam was significantly longer. There were no statistically significant differences in Cmax and tmax for plasma clobazam. The plasma levels of N-desmethyl-clobazam did not show any significant change after the intake of cimetidine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00544031
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  • 4
    Electronic Resource
    Electronic Resource
    Pharmacodynamics and urine pharmacokinetics of three doses of piretanide (1983)
    Springer
    European journal of clinical pharmacology 25 (1983), S. 783-785 
    Details
    ISSN: 1432-1041
    Keywords: piretanide ; urine K+ and Na+ clearance ; pharmacodynamic effects ; pharmacokinetic effects ; diuretic effects ; dose-response relationship ; trial design
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Three doses (3 mg, 6 mg and 12 mg) of piretanide, a new high ceiling diuretic, and placebo were given to 8 volunteers to investigate the relationship between the pharmacodynamic parameters, the dose and its urinary excretion. Intake of food and fluid were standardized from 48 h before until 24 h after drug administration. Urinary output, excretion of unchanged drug, and the excretion and clearance of Na+ and K+ were measured hourly for 7 h after treatment. A clear dose-response relationship was found for cumulative urinary output, cumulative excretion of Na+ and K+, clearance of Na+ and K+ and the urinary sodium/potassium ratio. A significant correlation was found between the net urine volume and the excretion of piretanide per time interval. The clearances of Na+ and K+ were significantly correlated with the excretion of piretanide. Clearance values correlated well with corresponding urine volumes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00542520
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  • 5
    Electronic Resource
    Electronic Resource
    The effect of diblock and homopolymer impurities on the morphology of triblock polymers (1972)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 16 (1972), S. 2079-2089 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Commercial triblock polymers (Kratons) consisting of polystyrene and a polydiene were characterized via gel permeation chromatography and small-angle x-ray scattering in order to determine the amount of free polystyrene and diblock material and to clarify the effect of these polymeric impurities on the morphology of solvent-cast samples. Gel permeation chromatography measurements revealed the Kratons to consist of 80-85% triblock, 15-20% diblock, and trace amounts of free polystyrene. Pure triblocks, impurity-doped pure triblocks, the Kratons, and a postpolymerically degraded Kraton were examined with regard to the effect of polymeric impurities on morphology. Small amounts (〈5%) of free polystyrene induce a regularization of the glassy domains, while increased amounts of this homopolymer apparently lead to diffuse phase boundaries. The presence of diblock polymer results in a loss of macrolattice details, indicating the presence of less ordered and more diffuse glassy domains.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1972.070160819
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