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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Anal Chem. 2011 Jun 1;83(13):5337–5343. doi: 10.1021/ac200771g

Figure 4.

Figure 4

Ion images of a PC12 cell after incubation with D62PE at 100 μM. A) The fragment ion at m/z 50.1 (C3D7+), originating from D62PE, total counts are 104, B) the endogenous PC fragment ion at m/z 184.1, total counts are 9163, C) same image as in B) with region of interest shown using red and green outlines. The red ring circles the cell area, red stripes, and the area inside the green lines (green stripes) corresponds to the background. There is a region between the red and green lines that is not marked as either cell or background to clearly distinguish between the two. The color bars show 0 to 1 and 0 to 5 counts, for A and B, respectively, and the scale bars in A and B is 10 μm.