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Appraisal of Sims applicability to boron studies in plants

Abstract : In the search for a new methodological approach applicable to the determination of the still poorly known primary role of boron in plant physiology, we have undertaken to appraise the potential of the SIMS method for the analytical imaging of the boron isotopes, (10)B and (11)B, at physiological concentrations in plants. With our own, CAMECA IMS4F SIMS ion analyser, and using O(2)(+) as primary ions for the detection of B(+) (plus (12)C(+) and (40)Ca(+)) secondary ions, we have been able to map quantitatively the two boron isotopes in control and boron-enriched plants, to evaluate boron concentrations at the level of individual cells and to determine boron isotopic ratios. This provides the opportunity to carry out the simultaneous labeling and imaging of boron, using enrichment with the stable isotopes, (10)B and (11)B. The method has also the potential for the simultaneous, quantitative detection of the boron isotopes and of the borate-binding sites in plant cells.
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Cedric Dérue, David Gibouin, Marie-Claire Verdus, Fabrice Lefebvre, Maurice Demarty, et al.. Appraisal of Sims applicability to boron studies in plants. Microscopy Research and Technique, Wiley, 2002, 58 (2), pp.104-110. ⟨10.1002/jemt.10125⟩. ⟨hal-02115928⟩



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