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  • 1995-1999  (2)
  • 74.72.Bk  (1)
  • AT1-receptor  (1)
  • 1
    Digitale Medien
    Digitale Medien
    ATP release by angiotensin II from segments and cultured smooth muscle cells of guinea-pig taenia coil (1996)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 354 (1996), S. 796-799 
    Details
    ISSN: 1432-1912
    Schlagwort(e): ATP release ; Angiotensin II ; Losartan ; AT1-receptor ; Cultured smooth muscle cells ; Guinea-pig taenia coli
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Effects of angiotensin II on ATP release were evaluated in segments and cultured smooth muscle cells from the guinea-pig taenia coli. In the segments, angiotensin II (0.3–3 μM) elicited release of ATP which was blocked by losartan and SC-52458, non-peptide angiotensin II type-1 receptor (AT1)-antagonists, but not by PD-123319, an AT2-antagonist. In superfused cultured cells, 10μM angiotensin II likewise elicited release of ATP Again the response was blocked by losartan and SC-52458 but not by PD-123319. These findings suggest that angiotensin II releases ATP from the smooth muscles by activation of angiotensin II-, presumably ATE1-, receptors.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00166908
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  • 2
    Digitale Medien
    Digitale Medien
    Zn-substitution effects on the normal optical conductivity and the superconducting gap (1996)
    Springer
    Journal of low temperature physics 105 (1996), S. 743-748 
    Details
    ISSN: 1573-7357
    Schlagwort(e): 74.72.Bk ; 74.25.Gz ; 74.62.Dh
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The Zn-substitution effects on the c-axis optical spectra have been investigated for highly oxygenated YBa2 Cu3Oy crystals with y = 6.88 – 6.92. In the normal state, the Zn-substitution does not affect the high frequency conductivity but changes the ω-dependence of the scattering rate at low frequencies, leading to the increase in the dc resistivity in the c-direction. In the superconducting state, we observed a pronounced effect of Zn-substitution that a large number of unpaired carriers form a Drude-like absorption band within the gap, keeping the maximum gap amplitude unchanged. The missing area which gives the superfluid density is found to correlate with Tc.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00768472
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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