Preparation of carrier-free group tracers from a gold target irradiated by high-energy heavy ions

Liu, B.; Ambe, S.; Enomoto, Shuichi; Weginwar, R. G.; Ambe, F.

doi:10.1007/bf02223355

Cited by 7 publications

(1 citation statement)

References 32 publications

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“…Radioactive nuclides other than Y and REEs were removed by passing the whole multitracer solution through a cation exchanger column (Dowex 50W-X8, 100-200 mesh, H-form), and then the solution containing carrier-and salt-free radionuclides, 88 Y, 139 Ce, 143 Pm, 149 Eu, 153 Gd, 169 Yb and 173 Lu was obtained. Additional details are described in the literature [31].…”

Section: Preparation Of a Multitracer Solutionmentioning

confidence: 99%

Multitracer study on the uptake mechanism of yttrium and rare earth elements by autumn fern

Ozaki¹,

Ambe²,

Enomoto

et al. 2002

Radiochimica Acta

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Autumn fern (Dryopteris erythrosora) / Multitracer technique / Rare earth element / Uptake / YttriumSummary. 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.

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Section: Preparation Of a Multitracer Solutionmentioning

confidence: 99%

Multitracer study on the uptake mechanism of yttrium and rare earth elements by autumn fern

Ozaki¹,

Ambe²,

Enomoto

et al. 2002

Radiochimica Acta

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Effect of zinc on the uptake of various elements into carrot

Ozaki

Ambe

Enomoto

et al. 1999

J Radioanal Nucl Chem

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The effect ofZnCI 2 on the uptake of Be, Na, Mn, Co, Zn, Se, Rb, Sr, Rh, Cs and lanthanoids (Ce, Pm, Gd and Lu) by carrot (Daucas carota cv.U.S. harumakigosun) was investigated. Uptake was measured using a multitracer technique which enables to acquire information about various elements under identical conditions. The amount of uptake of Rb, Cs, Sr, Mn and Co, into roots decreased with increasing concentration of ZnCI 2. On the other hand, little effect was observed for the uptake of Be, Se0 Rh and lanthanoids. These results suggest that Rb, Cs, Sr, Mn and Co competed antagonistically with Zn for the binding sites of carriers in the roots, while there was no influence on the uptake of the other elements. Uptake of Se was not influenced by CI added as ZnC12. It is concluded, therefore, that carrot can distinguish Se from CI based on the physicochemical differences between these two anion species.

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Beneficial Effect of Rare Earth Elements on the Growth of Dryopteris Erythrosora

Ozaki

Enomoto

Minai

et al. 2000

Journal of Plant Physiology

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Preparation of carrier-free group tracers from a gold target irradiated by high-energy heavy ions

Cited by 7 publications

References 32 publications

Multitracer study on the uptake mechanism of yttrium and rare earth elements by autumn fern

Multitracer study on the uptake mechanism of yttrium and rare earth elements by autumn fern

Effect of zinc on the uptake of various elements into carrot

Beneficial Effect of Rare Earth Elements on the Growth of Dryopteris Erythrosora

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