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  • 1985-1989  (2)
  • HIBLIC  (1)
  • Reverse transcriptase  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of fusion energy 4 (1985), S. 323-338 
    ISSN: 1572-9591
    Keywords: heavy ion beam ; HIBLIC ; target ; reactor chamber ; beam port ; Monte Carlo method ; activity ; tritium breeding ; energy multiplication ; radiation damage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A nuclear analysis was carried out for a heavy ion-beam fusion reactor, HIBLIC. The analysis includes the target and chamber neutronics, time-dependent radiation damage in the first wall, and radiation streaming through beam ports. It is found that the reactor chamber is characterized by its high tritium breeding ratio, low radiation damage in the second wall, and low induced activity. To reduce the radiation damage in the superconducting, focusing magnets, tapering the beam ports along the direct line-of-sight component of the source neutron is necessary in the magnet regions and also in the collimator region.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1335
    Keywords: Antiretroviral activity ; Marine algae ; Avian myeloblastosis virus ; Reverse transcriptase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An aqueous extract from the marine red alga, Schizymenia pacifica has been tested in a cell free system for its effect on reverse transcriptase from avian retrovirus (avian myeloblastosis virus), and mammalian retrovirus (Rauscher murine leukemia virus). The extract inhibited reverse transcriptase from both these retroviruses but showed almost no effect, if any, on the activity of cellular DNA polymerase alpha and RNA polymerase II in vitro. Consequently it is unlikely to have an adverse effect on the growth of cultured cell. The inhibitory activity of the extract was stable over a relatively wide pH range (pH 1–11) and was not lost after pronase digestion. Inhibitory activity of the extract was lost after boiling at 100°C in 0.67 N HCl, and after treatment with 100 mM NaIO4. The active principle in the extract has an apparent molecular weight in excess of 100 000 daltons. This new reverse transcriptase inhibitor is probably a polysaccharide.
    Type of Medium: Electronic Resource
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