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  • 1
    ISSN: 1432-1041
    Keywords: acetaminophen ; codeine ; clearance ; metabolite formation ; glucuronidation ; pharmacokinetics ; healthy volunteers ; drug interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary In nine healthy volunteers, the clearance and metabolism of acetaminophen 1000 mg i.v. was evaluated with and without two concomitant oral doses of codeine in order to investigate a possible interaction. Plasma acetaminophen was followed for 720 min and urine was collected for 24 h after each dose for determination of metabolites. When codeine was coadministered, the average total clearance of acetaminophen and its clearance by glucuronidation, sulphation and mercapturate formation were 0.58 to 1.12-times the control values. It is concluded that therapeutic doses of codeine do not influence the clearance or metabolism of acetaminophen.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 33 (1987), S. 89-91 
    ISSN: 1432-1041
    Keywords: antipyrine ; prednisolone ; pharmacokinetics ; obstructive lung disease ; hepatic drug metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The influence of prednisolone on the elimination of antipyrine has been investigated. The one-sample antipyrine clearance was estimated in 23 outpatients with obstructive lung disease before and after treatment with prednisolone 30 or 50 mg/day for 7 days. During prednisolone administration antipyrine clearance decreased from 54.9±14.8 to 51.7±14.6 ml/min (mean±SD; p〈0.05). The results indicate that prednisolone decreases the rate of antipyrine elimination, but not to an extent suggesting a clinically important change in hepatic drug metabolism.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1041
    Keywords: metronidazole ; metabolism ; pharmacokinetics ; healthy volunteers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The influence of dose and route of administration on the kinetics of metronidazole and its major metabolites has been investigated in 8 healthy volunteers given 0.5 and 2.0 g i.v. and p.o. Metronidazole elimination kinetics from plasma could be described by an open two-compartment model. The systemic oral bioavailability of both doses was approximately 1. The total systemic clearance of the intravenous 2.0 g dose was 9% lower than that of the 0.5 g dose (p〈0.05). There were no significant dose-related differences in volume or rate of distribution. The elimination half-life was similar after the four treatments with metronidazole. The major elimination pathways, renal excretion and hepatic oxidation and glucuronidation, accounted for more than 2/3 of the total systemic clearance. Clearance both by hepatic oxidative metabolism and renal excretion was significantly lower after 2.0 than after 0.5 g i.v., whereas there was no significant difference after the oral doses. The results indicate that a high therapeutic dose of metronidazole may be eliminated at a reduced rate, but this is probably not of clinical importance. No single saturable elimination pathway was identified.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 43 (1992), S. 57-60 
    ISSN: 1432-1041
    Keywords: Cotinine ; Nicotine substitution ; nicotine patch ; smoking cessation ; salivary cotinine ; plasma cotinine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The purpose of the study was to examine long-term nicotine substitution and its variability during use of a nicotine patch. In two smoking cessation studies a 16-h nicotine patch, releasing 15 mg nicotine, was applied daily for 16 h over 12 weeks, to 167 smokers. Salivary cotinine was highly correlated with plasma cotinine (r = 0.93), and the concentration of cotinine in a single sample in the afternoon was well correlated with the AUCcotinine over 24 h (r = 0.94). The salivary cotinine concentration after 1 week in 60 abstainers was 183 ng · ml−. After 3, 6 and 12 weeks the cotinine concentrations were 86%, 79% and 59% of the 1-week value. The degree of nicotine compensation attained by the patch after 1 week was 52% (SD 24%) in subjects who succeeded in stopping smoking for at least 3 weeks. A quarter of the subjects achieved a compensation of less than 35% of their usual nicotine intake. Nicotine substitution with this 16-h nicotine patch was stable and the risk of overcompensation was small in this group of smokers.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Convective vertical mixing in restricted areas of the subpolar oceans, such as the Greenland Sea, is thought to be the process responsible for forming much of the dense water of the ocean interior. Deep-water formation varies substantially on annual and decadal timescales, and responds to ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part A: Physiology 90 (1988), S. 709-714 
    ISSN: 0300-9629
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 55 (1999), S. 547-549 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 48 (1992), S. 1111-1112 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 15 (1979), S. 25-35 
    ISSN: 1572-8943
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Résumé Une nouvelle méthode d'analyse thermique différentielle a été mise au point. Elle permet de déterminer de façon rapide et exacte les équilibres de phases dans des systèmes condensés, entre 400 et 1100°. Selon cette méthode, on augmente graduellement la température en déterminant les effets thermiques par analyse des effets thermoélectriques intermédiaires après chaque palier. A chaque palier, on maintient la température constante jusqu'à ce que l'équilibre soit atteint. On a contrôlé la méthode par l'étude de changements de phases displacifs dans l'état solide et par mesure de points de fusion.
    Abstract: Zusammenfassung Eine neue Methode der Differentialthermoanalyse wurde entwickelt, welche rasche und genaue Bestimmungen von Phasengleichgewichten in kondensierten Systemen zwischen 400° und 1100° ermöglicht. Bei dieser Methode wird die Temperatur stufenweise erhöht und die Wärmeeffekte durch Analyse der thermoelektischen Übergangseffekte nach jeder Stufe bestimmt. Zwischen den Stufen wird die Temperatur bis zum Erreichen des Gleichgewichts konstant gehalten. Die Methode wurde bei Messungen von Verschiebungsumsetzungen in festem Zustand und von Schmelzpunkten erprobt.
    Notes: Abstract A new differential thermal analysis method has been developed which allows fast and accurate determinations of phase equilibria in condensed systems between 400 and 1100°. In this method the temperature is increased stepwise, heat effects being determined by analysis of the transient thermoelectric effects after each step. Between steps the temperature is kept constant until equilibrium is attained. The method has been tested in measurements of displacive solid-state transformations and melting points.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 103 (1990), S. 379-383 
    ISSN: 1437-1596
    Keywords: Sudden death ; Bilateral pneumothorax ; Congenital lung cysts ; Autopsy procedure ; Medicolegal aspects ; Plötzlicher Tod ; Bilateraler Pneumothorax ; Kongenitale Lungenzysten ; Obduktionstechnik ; Rechtsmedizinische Aspekte
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Berichtet wird über einen plötzlichen Todesfall einer 35 Jahre alten Frau, Tod durch spontanen bilateralen Pneumothorax, verursacht durch die Ruptur angeborener Lungenzysten. Vor dem tödlichen Ausgang war die Frau durch 2 Ärzte untersucht worden. Die verschiedenen rechtsmedizinischen Aspekte, wie Fahrlässigkeit im ärztlichen Beruf, diagnostische Schwierigkeiten, Seltenheit dieses Vorfalls, und auch das Procedere bei der Autopsie werden diskutiert.
    Notes: Summary A case of sudden death of a 35-year-old woman due to spontaneous bilateral pneumothorax from rupture of congenital lung cysts is reported. The woman had been attended by two doctors before the lethal outcome. The medicolegal aspects pertaining to medical negligence, the diagnostic difficulties and the rare occurrence of the condition are discussed, as is the autopsy procedure.
    Type of Medium: Electronic Resource
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