Figure 4
Intensity plots of other biologically relevant elements in the three samples. Row 1: O measured at 2.1 keV. Row 2: Na measured at 2.1 keV. Row 3: S measured at 4.2 keV. Row 4: S measured at 2.5 keV. Row 5: Cl measured at 4.2 keV. Isolines refer to effective sample thicknesses of 0.5 µm (red) and 1 µm (black), see also Fig. 2. Scale bars: 100 µm. |