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  • 1985-1989  (2)
  • 21.l0.Dr  (1)
  • Tracer technique  (1)
Materialart
Erscheinungszeitraum
  • 1985-1989  (2)
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    European journal of nuclear medicine 11 (1985), S. 62-64 
    ISSN: 1619-7089
    Schlagwort(e): Ammonia ; Diagnosis ; Emission spectroscopy ; Isotope application ; Liver ; Nitrogen-15 ; Tracer technique ; Urea
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Malfunction of the liver involves disturbances of urea synthesis and ammonia detoxification. These phenomena became apparent, especially during ammonia loading of patients. The functional state of the liver can be assessed by oral administration of 15NH4Cl and subsequent analysis of 15N-urea and 15N-ammonia in urine by emission spectrometry. Clinical tests based on the ratio of the excess abundances (see Appendix) of 15N-ammonia to 15N-urea excreted in urine 3 h after oral administration gave values for patients with liver disease which differed significantly from those for healthy subjects. Absorption disturbances, which often accompany liver diseases, do not influence the effectiveness of the method.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1434-601X
    Schlagwort(e): 21.l0.Dr ; 27.60.+j
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The endpoint energies ofβ-transitions in 15 neuron-rich nuclei with mass numbers 101≦A≦106 have been measured with a plastic scintillator telescope in coincidence with a large Ge(Li)-detector at the on-line mass separator LOHENGRIN. From theQ β -values obtained in these experiments, nuclear structure effects in this region of the nuclear chart are deduced. Finally, nuclear masses derived from theseQ β -values are compared with the predictions of different theoretical mass calculations.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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