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  • 1
    Electronic Resource
    Electronic Resource
    Bay K 8644, a voltage-sensitive calcium channel agonist, facilitates secretion of atrial natriuretic polypeptide from isolated perfused rat hearts
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 138 (1986), S. 1170-1176 
    Details
    ISSN: 0006-291X
    Keywords: [abr] ANP; atrial natriuretic polypeptide ; [abr] HP-GPC; high performance gel permeation chromatography ; [abr] RIA; radioimmunoassay ; [abr] S.E.; standard error ; [abr] α-hANP; α-human atrial natriuretic polypeptide ; [abr] α-rANP; α-rat atrial natriuretic polypeptide ; [abr] β-rANP; β-rat atrial natriuretic polypeptide ; [abr] γ-rANP; γ-rat atrial natriuretic polypeptide
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0006-291X(86)80405-3
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Bay K 8644, a voltage-sensitive calcium channel agonist, facilitates secretion of atrial natriuretic polypeptide from isolated perfused rat hearts
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 138 (1986), S. 1170-1176 
    Details
    ISSN: 0006-291X
    Keywords: [abr] ANP; atrial natriuretic polypeptide ; [abr] HP-GPC; high performance gel permeation chromatography ; [abr] RIA; radioimmunoassay ; [abr] S.E.; standard error ; [abr] α-hANP; α-human atrial natriuretic polypeptide ; [abr] α-rANP; α-rat atrial natriuretic polypeptide ; [abr] β-rANP; β-rat atrial natriuretic polypeptide ; [abr] γ-rANP; γ-rat atrial natriuretic polypeptide
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0006-291X(86)80405-3
    Location Call Number Expected Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
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    A two-dimensional spectrum of a nonradiative shock filament in the Cygnus Loop (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: A two-dimensional spectrum of a nonradiative filament in the Cygnus Loop covering the spectral region 4600-7500 A is presented and discussed. Emission lines of H, He II, and forbidden O III, as well as extremely faint N II and S II forbidden lines, were detected. Small spatial differences for some of the filament's emission lines and a possible velocity gradient across the filament's western edge were also observed. Measured relative line intensities are combined with previous nonradiative data and are compared to new nonradiative shock models which treat one, two, and three postshock temperature distributions. It is found that two- and three-temperature models provide a good fit to the observed relative line intensities. The observed weak N II and S II forbidden line emissions are interpreted as due to either radiative shock emissions produced by small density fluctuations in the shocked cloud (e.g., cloud cores), or faint dust grain reflection of the remnant's bright radiative filament emission.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 295; 43-50
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    The destruction of dust grains in collisions of a supernova with a circumstellar medium (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Dust grains exist, if not abundantly, in systems composed of a Type II supernova and a circumstellar medium (CSM). The grains, however, may subsequently suffer intense sputtering by X-ray emitting plasmas during the collision of the supernova ejecta with the CSM. An approximate expression is obtained for the amount of grain erosion in both the blast-shocked CSM and the reverse-shocked ejecta, assuming their self-similar interaction. The distortion of the grain size distribution is also calculated. In the remnant of SN 1979c, the population of the grains of radius 0.1 micron, for example, will be diminished substantially in both the ejecta and the CSM, while in the remnant of SN 1980k, it will be affected considerably only in the ejecta. The infrared fluxes expected from the blast-shocked CSM are roughly estimated. The present destruction mechanism may be responsible for the severe under-abundance of dust in the Cassiopeia A supernova remnant.
    Keywords: ASTROPHYSICS
    Type: Royal Astronomical Society, Monthly Notices (ISSN 0035-8711); 212; 309-323
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Temperature relaxation in supernova remnants, revisited (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Some supernova remnants are expanding into a partially neutral medium. The neutral atoms which are engulfed by the fast blast shock are collisionally ionized to eject low-energy secondary electrons. Calculations are conducted of the temperature relaxation through Coulomb collisions among the secondary electrons, the shocked electrons, and the ions, assuming that the three species have Maxwellian velocity distributions. The results are applied to a self-similar blast wave. If the efficiency of collisionless electron heating at the shock front is high in young remnants such as Tycho, the secondary electrons may be much cooler than both the shocked electrons and the ions. In this case, the emergent X-ray continuum spectrum will have a two-temperature, or a power-law, appearance. This effect may have been observed in the bright rim of the remnant of SN 1006.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 285; 601-606
    Format: text
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    NASA TECHNICAL REPORTS
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