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Application of 28Mg to the kinetic study of Mg uptake by rice plants

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Abstract

The time course of Mg uptake and release using intact rice plants and 28Mg as a tracer is presented. Since there is no conventional Mg tracer available, 28Mg was produced via 27Al(α, 3p)28Mg reaction using a cyclotron. Using the purified 28Mg tracer, it was found that the uptake amount of 28Mg by the rice plants increased linearly during 30 min of application. After 28Mg treatment for 90 min, the roots were sequentially washed with iced solution for 120 min. Within about 10 min, almost all of the 28Mg, that was thought to be weakly bound to the apoplast, was washed away.

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Authors and Affiliations

  1. The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan

    Keitaro Tanoi, Natsuko I. Kobayashi, Takayuki Saito, Naoko Iwata, Atsushi Hirose, Yoshimi Ohmae & Tomoko M. Nakanishi

  2. Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai-shi, Miyagi, 980-8578, Japan

    Ren Iwata

  3. National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba-shi, Chiba, 263-8555, Japan

    Hisashi Suzuki

Authors
  1. Keitaro Tanoi
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  2. Natsuko I. Kobayashi
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  3. Takayuki Saito
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  4. Naoko Iwata
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  5. Atsushi Hirose
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  6. Yoshimi Ohmae
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  7. Ren Iwata
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  8. Hisashi Suzuki
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  9. Tomoko M. Nakanishi
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Corresponding author

Correspondence to Keitaro Tanoi.

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Tanoi, K., Kobayashi, N.I., Saito, T. et al. Application of 28Mg to the kinetic study of Mg uptake by rice plants. J Radioanal Nucl Chem 296, 749–751 (2013). https://doi.org/10.1007/s10967-012-2219-7

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  • DOI: https://doi.org/10.1007/s10967-012-2219-7

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