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  • Title: Stimulating effect of space flight factors on Artemia cysts: comparison with irradiation by gamma rays.
    Author: Gaubin Y, Pianezzi B, Gasset G, Plannel H, Kovalev EE.
    Journal: Aviat Space Environ Med; 1986 Jun; 57(6):583-90. PubMed ID: 3718384.
    Abstract:
    The Artemia cyst, a gastrula in dormant state, is a very suitable material to investigate the individual effects of HZE cosmic particles. Monolayers of Artemia cysts, sandwiched with nuclear emulsions, flew aboard the Soviet biosatellite Cosmos 1129. The space flight stimulated the developmental capacity expressed by higher percentages of emergence, hatching, and alive nauplii at day 4-5. A greater mean life span was reported in Artemias developed from Artemia cysts hit by the cosmic heavy ions. On Earth, Artemia cysts were exposed to 1, 10, 100, 200 and 400 Gy of gamma (gamma) rays. A stimulating effect on developmental capacity was observed for 10 Gy; the mean life span was significantly increased for this dose. These results are discussed in comparison with previous investigations performed on Earth and in space.
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