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J Hazard Mater. 2022 Feb 05;423:127143. doi: 10.1016/j.jhazmat.2021.127143. Epub 2021 Sep 06.

Imaging of I, Re and Tc plant uptake on the single-cell scale using SIMS and rL-SNMS.

Journal of hazardous materials

Marcus Mandel, Linus Holtmann, Manuel Raiwa, Annika Wunnenberg-Gust, Beate Riebe, Clemens Walther

Affiliations

  1. Institute of Radioecology and Radiation Protection, Leibniz Universität Hannover, D-30419 Hannover, Germany.
  2. Institute of Radioecology and Radiation Protection, Leibniz Universität Hannover, D-30419 Hannover, Germany. Electronic address: [email protected].

PMID: 34517301 DOI: 10.1016/j.jhazmat.2021.127143

Abstract

In radioecological studies, there is a significant need for understanding the plant uptake of radionuclides on a cellular level. The present work applies mass spectrometry to image the radionuclide distribution within the cellular structures of plants at varying concentrations. In a first step, plants of Daucus carota and Pisum sativum labelled with iodine and rhenium were examined, at concentrations in the range of 10 mM. Cross sections of several plant parts were imaged by secondary ion mass spectrometry (SIMS) after cryogenation in order to preserve cell structure. In a second step, the distribution of

Copyright © 2021 The Authors. Published by Elsevier B.V. All rights reserved.

Keywords: Carrot; Pea; Plant uptake; SIMS; SNMS; Technetium

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