The Review of Nuclear Microscopy Techniques: An Approach for Nondestructive Trace Elemental Analysis and Mapping of Biological Materials
(a) A typical fitted PIXE spectrum of corn roots, (b) the corresponding elemental maps. The maps are as follows: top row: optical image, all elements-back image, Mg, Al, and P; second row: S, Cl, K, Ca, and Sc; bottom row: Cr, Mn, Fe, Ni, and Cu.
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