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  • Furosemid  (1)
  • PACS. 32.30.Rj X-ray spectra – 78.70.En X-ray emission spectra and fluorescence – 29.25.Ni Ion sources: positive and negative  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 52 (1974), S. 589-594 
    ISSN: 1432-1440
    Keywords: Inorganic iodine ; furosemide ; renal excretion ; clearance ; Anorganisches Jod ; Furosemid ; renale Ausscheidung ; Clearance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung An 16 jüngeren gesunden Erwachsenen wird die bisher unbekannte Wirkung von Saluretica auf die renale Ausscheidung und Clearance von stabilem anorganischem Jod127 nach einer einmaligen intravenösen Injektion von 20 mg Furosemid geprüft. Im Vergleich zur Wirkung auf die Natriumausscheidung, die sich maximal auf das 13,6fache des Ausgangswertes erhöht, ist der Effekt von Furosemid auf Ausscheidung und Clearance von Jodid gering und kurzdauernd. In den ersten 30 min nach Applikation von Furosemid steigt die mittlere Ausscheidung von Jodid hochsignifikant von 44±32 (Standardabweichung) ng/min in der Kontrollperiode auf 163±119 ng/min an. Sie vermindert sich in den darauffolgenden 30 min im Mittel auf 109±66 ng/min und erreicht danach wiederum das Ausgangsniveau. Entsprechend verhält sich die Jodid-Clearance. Die Ausscheidung von anorganischem Jod ist mit dem Harnminutenvolumen enger korreliert als mit der Ausscheidung von Natrium und unabhängig von der Ausscheidungsrate und Clearance von endogenem Kreatinin.
    Notes: Summary Since noting is known as yet of the acute action of saluretics on the renal excretion and clearance of stable inorganic iodine127 16 healthy young adults were examined after a single intravenous injection of 20 mg furosemide. Compared to the effect on the sodium excretion which increased to a maximum of 13.6 times the initial value the effect of furosemide on the excretion and clearance of iodide was slight and of short duration. In the first 30 minutes after the administration of furosemide the mean excretion of iodide increased highly significantly from 44±32 (S. D.) ng/min in the control period to 163±119 ng/min. In the 30 minutes following it decreased on an average to 109±66 ng/min and afterwards returned to the initial value. The iodide clearance behaved in a like manner. The excretion of inorganic iodine can be more closely correlated with the urine flow than with the excretion of sodium and it does not depend on the excretion rate and clearance of endogenous creatinine.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-6079
    Keywords: PACS. 32.30.Rj X-ray spectra – 78.70.En X-ray emission spectra and fluorescence – 29.25.Ni Ion sources: positive and negative
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Irq+ ( 41≤q≤64) ions with open-shell configurations have been produced in the electron beam of the room-temperature Dresden Electron Beam Ion Trap (Dresden EBIT) at electron excitation energies from 2 keV to 13 keV. X-ray emission from direct excitation processes and radiative capture in krypton-like to aluminium-like iridium ions is measured with an energy dispersive Si(Li) detector. The detected X-ray lines are analyzed and compared with results from multiconfigurational Dirac-Fock (MCDF) atomic structure calculations. This allows to determine dominant produced ion charge states at different electron energies. The analysis shows that at the realized working gas pressure of 5×10-9mbar for higher charged ions the maximum ion charge state is not preferently determined by the chosen electron beam energy needed for ionization of certain atomic substates, but by the balance between ionization and charge state reducing processes as charge exchange and radiative recombination. This behaviour is also discussed on the basis of model calculations for the resulting ion charge state distribution.
    Type of Medium: Electronic Resource
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