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@ARTICLE{Uhlig:877549,
      author       = {Uhlig, David and Goldberg, Tatiana and Frick, Daniel A. and
                      von Blanckenburg, Friedhelm},
      title        = {{Q}uantifying beryllium concentrations in plant shoots from
                      forest ecosystems using cation-exchange chromatography and
                      quadrupole {ICP}-{MS}},
      journal      = {Analytical science advances},
      volume       = {1},
      number       = {1},
      issn         = {2628-5452},
      address      = {Weinheim},
      publisher    = {Wiley VCH},
      reportid     = {FZJ-2020-02284},
      pages        = {8-21},
      year         = {2020},
      abstract     = {Beryllium (Be) is known to be one of the most toxic
                      elements but at the same time exerts a stimulating effect on
                      plant growth. Despite this contradiction, little is known
                      about theBemetabolism in living organisms, partially
                      becauseof thelow amountspresent and because the analysis
                      ofBe in plants byICP-MS remains challenging. The challenges
                      arise from the complex organic matrix, the low abundance of
                      Be relative to the other plant essential elements, and the
                      matrix effects resulting thereof in the plasma. To address
                      these challenges, wedeveloped and evaluated a newmethod for
                      Be concentration anal- ysis in plant material. Key is the
                      quantitative separation of Be from the other matrix elements
                      by cation-exchange chromatography. The new method was
                      verified by pro- cessing seven reference materials
                      representing different plantmatrices yielding a long- term
                      reproducibility of $16\%$ (RSD). Applying the method, Be
                      concentrations in tree, shrub, bush, and grass samples grown
                      in non-polluted ecosystems from four temper- ate forests and
                      a tropical rainforest were measured. The Be concentrations
                      in different plant organs range from 0.01 to 63 ng/g that
                      suggest a natural baseline for Be concen- trations of 52
                      ng/g (95 percentile of non-woody tissue) that may serve as
                      bioindicator for Be pollution in the environment.Comparison
                      of Be concentrations in plants with the soil’s
                      biologically available fraction revealed that Be is
                      discriminated from uptake into shoots and thus can be
                      considered as non-essential.},
      cin          = {IBG-3},
      ddc          = {600},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001063304600005},
      doi          = {10.1002/ansa.202000036},
      url          = {https://juser.fz-juelich.de/record/877549},
}