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Figure 2
Medium-resolution XRF maps of A. thaliana seeds in grid 4. Up to 140 50 µm × 50 µm points were used to map the metal distribution in each seed. (a) Smoothed data showing, from left to right, K, Ca, Mn Fe, Ni, Cu and Zn distribution. (b) Background-subtracted data showing metal distribution. (c) K-means map of grid 4 showing pixels with similar XRF spectra. The graph shows the k-means spectra of the coloured pixels in the map.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 13| Part 4| July 2006| Pages 304-313
https://doi.org/10.1107/S0909049506019571
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