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  • Astrophysics  (1)
  • Key words: Ovariectomy — Chinese traditional (Kampo) medicines — Tibiae — Bone mineral density — Electron micrographs — Rat.  (1)
  • 2015-2019  (1)
  • 1995-1999  (1)
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  • 2015-2019  (1)
  • 1995-1999  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Preventive Effects of Traditional Chinese (Kampo) Medicines on Experimental Osteoporosis Induced by Ovariectomy in Rats (1997)
    Springer
    Calcified tissue international 61 (1997), S. 239 -246 
    Details
    ISSN: 1432-0827
    Keywords: Key words: Ovariectomy — Chinese traditional (Kampo) medicines — Tibiae — Bone mineral density — Electron micrographs — Rat.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Abstract. Preventive effects by traditional Chinese (Kampo) medicines, Unkei-to, Hachimi-jio-gan, and Juzen-taiho-to, on the progress of bone loss induced by ovariectomy in rats were investigated for a period of 49 days. The bone mineral density (BMD) of tibia in ovariectomized (OVX) rats decreased by 20% from those in sham-operated (Sham) rats, with the decrease completely inhibited by the administration of any one of these Kampo medicines or 17β-estradiol. From scanning electron microscopic (SEM) analyses, the surface of a trabecular bone of tibia in OVX rats had a porous or erosive appearance, whereas that of the same bone in Sham rats was composed of fine particles. The administration of three Kampo medicines and 17β-estradiol to OVX rats preserved the fine particle surface of the trabecular bone. These results strongly suggest that any of these three gynecological Kampo medicines is as effective as 17β-estradiol in preventing the development of bone loss induced by ovariectomy in rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002239900329
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    Paper (German National Licenses)
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    M31N 2008-12a-The Remarkable Recurrent Nova in M31-Panchromatic Observations of the 2015 Eruption (2016)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The Andromeda Galaxy recurrent nova M31N 2008-12a had been observed in eruption 10 times, including yearly eruptions from 2008 to 2014. With a measured recurrence period of Prec = 351+/-13 days (we believe the true value to be half of this) and a white dwarf very close to the Chandrasekhar limit, M31N 2008-12a has become the leading pre-explosion supernova type Ia progenitor candidate. Following multi-wavelength follow-up observations of the 2013 and 2014 eruptions, we initiated a campaign to ensure early detection of the predicted 2015 eruption, which triggered ambitious ground- and space-based follow-up programs. In this paper we present the 2015 detection, visible to near-infrared photometry and visible spectroscopy, and ultraviolet and X-ray observations from the Swift observatory. The LCOGT 2 m (Hawaii) discovered the 2015 eruption, estimated to have commenced at August 28.28 +/- 0.12 UT. The 2013-2015 eruptions are remarkably similar at all wavelengths. New early spectroscopic observations reveal short-lived emission from material with velocities approx. 13,000 km/s, possibly collimated outflows. Photometric and spectroscopic observations of the eruption provide strong evidence supporting a red giant donor. An apparently stochastic variability during the early supersoft X-ray phase was comparable in amplitude and duration to past eruptions, but the 2013 and 2015 eruptions show evidence of a brief flux dip during this phase. The multi-eruption Swift/XRT spectra show tentative evidence of high-ionization emission lines above a high-temperature continuum. Following Henze et al. (2015a), the updated recurrence period based on all known eruptions is Prec 174 +/- 10 days, and we expect the next eruption of M31N 2008-12a to occur around 2016 mid-September.
    Keywords: Astrophysics
    Type: GSFC-E-DAA-TN44015 , The Astrophysical Journal (ISSN 2041-8205) (e-ISSN 2041-8213); 833; 2; 149
    Format: text
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