The geterogenity of 137Cs and 90Sr distribution and dose loading on critical tissues of main seedling root |
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Authors: | Mikheev A M |
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Institution: | Institute of Cell Biology and Genetic Engineering, National Academy of Science of Ukraine, Kiev. man@rbio.isf.kiev.ua |
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Abstract: | It is shown, that the roots of plants concentrate 137Cs and 90Sr from water solutions in different zones: 137Cs--mainly in a meristem zone, 90Sr--in a stretching zone. The similar character of radionuclide distribution was established regarding water and soil cultures. The real dose loading on critical tissues of main root have appeared to be much higher than it was expected from the assumption of uniform distribution of radionuclides in tissues. |
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