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- Title
Improved fluorimetric measurement of uranium uptake and distribution in spring wheat ( Triticum aestivum L.).
- Authors
Borcia, Cătălin; Popa, Karin; Cecal, Alexandru; Murariu, Manuela
- Abstract
Uranium uptake and (radio)toxicity was tested on spring wheat ( Triticum aestivum L.) in a laboratory study using differently concentrated uranium nitrate solutions. Within these experiments, two analytical assays of uranium were comparatively tested: a fast and improved fluorimetric assay and the classical colorimetric (U(IV)-arsenazo(III) complexation) one. During the germination, the wheat seeds and plantlets supported well the uranium solutions of treatment within the entire concentration range (1E-4-5E-3 M). Uranium proved to be non (radio)toxic to wheat as compared with other natural and anthropogenic radiocations, probably because its uptake by spring wheat during the germination is low. Indeed, only a small fraction of uranium administered was located within the roots, whereas the uranium content of the stems was negligible. A high correlation between the results obtained by two analytical methods was found. However, the fluorimetric assay proved to be more reliable and fast, and accurate.
- Subjects
URANIUM; WHEAT; FLUORIMETRY; RADIOISOTOPES; RADIOACTIVE tracers in botany
- Publication
Radiochimica Acta, 2016, Vol 104, Issue 5, p315
- ISSN
0033-8230
- Publication type
Article
- DOI
10.1515/ract-2015-2517