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@INPROCEEDINGS{Meixner:819934,
      author       = {Meixner, Marco and Först, Petra and Tomasella, Martina and
                      Windt, Carel},
      title        = {{D}evelopment of a simple, mobile {MRI} plant imager},
      reportid     = {FZJ-2016-05508},
      year         = {2016},
      abstract     = {The application of non-invasive imaging technologies has
                      had a large impact on the study of plant water relations.
                      Magnetic Resonance Imaging (MRI) has made it possible to
                      image the presence of water or the appearance of emboli in
                      the xylem, or to measure, visualize and quantify flow.
                      However, due to the cost, size and specialized nature of the
                      MRI equipment, so far the method has only been applied to
                      plants by a few laboratories world-wide. To make the method
                      more accessible, but also make it available for use in the
                      greenhouse or field, we constructed a basic, mobile MRI
                      imager for plants, maximizing for making it cheap and simple
                      to use.At the basis of this work was the construction of a
                      mobile 0.25 T, 45 mm gap, C-shaped permanent magnet with a
                      weight of about 16 kg, suitable for MR imaging of objects up
                      to 20 mm diameter. The magnet was fitted with a set of
                      custom built plane-parallel imaging coils, designed for
                      maximum field of view and image resolution, while still
                      offering open access for plant stems. Using a permanent
                      magnet is beneficial due to low purchase and running costs,
                      since neither any power nor liquid gases are required to run
                      it.In a first demonstration experiment we investigated the
                      effect of drought stress on young spruce and beech trees
                      during a 40 day dry down experiment. Considering the
                      simplicity of the setup and the small size of the magnet,
                      surprisingly highly resolved images could already be
                      acquired with the very first protoype. By means of this data
                      that was obtained weekly over the whole dry down period,
                      insights could be gained on where emboli occur first in the
                      stems of the two species.},
      month         = {Oct},
      date          = {2016-10-05},
      organization  = {Sensing Plant Water Status - Methods
                       and Applications in Horticultural
                       Science, Potsdam (Germany), 5 Oct 2016
                       - 7 Oct 2016},
      subtyp        = {After Call},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {89582 - Plant Science (POF2-89582)},
      pid          = {G:(DE-HGF)POF2-89582},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/819934},
}