Multitracer study on the uptake mechanism of yttrium and rare earth elements by autumn fern
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Takuo Ozaki
Summary
Irrespective of low bioavailability, some plant species accumulate Y and rare earth elements (REEs) to a great extent (accumulator species). The uptake mechanisms of Y and REEs were investigated for autumn fern, one of accumulator species. For comparison, plant species which accumulated poorly REEs (non-accumulator species) were also studied. In the present investigation, two noticeable phenomena were observed. (I) Autumn fern showed no ionic-radius dependence of Y-REE uptake by leaves, while non-accumulator species showed an extremely high uptake for Y compared with REEs. (II) Y-REE uptake by autumn fern was influenced by the addition of chelating reagents to the uptake solution, while no effect was observed for non-accumulator species.
© Oldenbourg Wissenschaftsverlag, München
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Articles in the same Issue
- Production routes of the alpha emitting 149Tb for medical application
- Selective dissolution of Am in basic media in the presence of ferricyanide ions: a mechanistic and structural study on Am(V) and Am(VI) compounds
- The kinetics and mechanism of the reduction of neptunium (VI) ions by uranium (IV) ions in nitric acid
- Determination of 237Np at trace level: evaluation of various analytical procedures
- Preparation of U(VI) and Th(IV) α-sources from calcium nitrate solutions by combining solvent extraction and electrodeposition procedures
- Immobilization of actinide ions in thin layers of polypyrrole/polyacrylamidoglycolic acid (PPy/PAGA) composite. Application to the preparation of alpha spectrometry sources
- Separation and purification of Th from U by ammonium molybdophosphate from nitric solutions
- Complexation and luminescence spectroscopic studies of europium(III) with polymaleic acid
- Liquid-liquid extraction of Hf(IV) from nitric acid with dibutylsulfoxide in cyclohexane
- Multitracer study on the uptake mechanism of yttrium and rare earth elements by autumn fern
