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Books > Earth & environment > The environment > Pollution & threats to the environment
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Radionuclide Contamination and Remediation Through Plants (Paperback, Softcover reprint of the original 1st ed. 2014)
Loot Price: R4,391
Discovery Miles 43 910
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Radionuclide Contamination and Remediation Through Plants (Paperback, Softcover reprint of the original 1st ed. 2014)
Expected to ship within 10 - 15 working days
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This book focuses on the mechanistic (microscopic) understanding of
radionuclide uptake by plants in contaminated soils and potential
use of phytoremediation. The key features concern radionuclide
toxicity in plants, how the radioactive materials are absorbed by
plants, and how the plants cope with the toxic responses. The
respective chapters examine soil classification, natural plant
selection, speciation of actinides, kinetic modeling, and case
studies on cesium uptake after radiation accidents. Radionuclide
contaminants pose serious problems for biological systems, due to
their chemical toxicity and radiological effects. The processes by
which radionuclides can be incorporated into vegetation can either
originate from activity interception by external plant surfaces
(either directly from the atmosphere or from resuspended material),
or through uptake of radionuclides via the root system. Subsequent
transfer of toxic elements to the human food chain is a concrete
danger. Therefore, the molecular mechanisms and genetic basis of
transport into and within plants needs to be understood for two
reasons: The effectiveness of radionuclide uptake into crop plants
– so-called transfer coefficient – is a prerequisite for the
calculation of dose due to the food path. On the other hand,
efficient radionuclide transfer into plants can be made use of for
decontamination of land – so-called phytoremediation, the direct
use of living, green plants for in situ removal of pollutants from
the environment or to reduce their concentrations to harmless
levels.
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