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The effect of polyriboguanylic-polyribocytidylic acid complex was investigated against acute X- and prolonged 60Co-gamma irradiation. Prophylactic administration of the polyribonucleotide complex increased endogenous spleen colony formation and the percentage of survival of irradiated BALB/c mice. The most pronounced effect was observed when the animals had been irradiated at the time of maximum interferon accumulation in blood, i.e. 24 hr after interferon induction by the polyribonucleotide complex.  相似文献   
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Plasma Physics Reports - Globus-M2—a new 1-Tesla spherical tokamak—was recently launched. The main features and research directions of this machine in scope of fusion–fission...  相似文献   
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1. The presence of specific binding of [125I]SEA with human splenocytes is established. 2. The association of toxin at 4 C is characterized by saturation, reversibility and a great affinity to a receptor (Kd = 4.0 x 10(-7) M). 3. The number of binding sites on a cell is equal to 6000. 4. At 23 C the binding of labelled toxin with a cell described by a biphasic curve. 5. Priming increases the association of SEA with the splenocytes and correspondingly increases the production level of gamma-interferon.  相似文献   
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