The Review of Nuclear Microscopy Techniques: An Approach for Nondestructive Trace Elemental Analysis and Mapping of Biological Materials

Figure 4

(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.

(a)

(b)