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Approximate Distance from Well (cm)

FIGURE 13.14 Location of ferritin in an electrophoretic gel. The figure is oriented such that the gel's well is on the left. The top portion of the figure shows the location of several elements in the gel as identified by PIXE analysis. The bottom graph indicates the co-location of proteins and iron in the gel. Iron was measured by PIXE simultaneously with STIM measurements of protein mass. Ferritin, an iron-binding protein, is shown at ~0.8 cm from the well, the overlap of the protein and iron curves. (See color insert.)

Approximate Distance from Well (cm)

FIGURE 13.14 Location of ferritin in an electrophoretic gel. The figure is oriented such that the gel's well is on the left. The top portion of the figure shows the location of several elements in the gel as identified by PIXE analysis. The bottom graph indicates the co-location of proteins and iron in the gel. Iron was measured by PIXE simultaneously with STIM measurements of protein mass. Ferritin, an iron-binding protein, is shown at ~0.8 cm from the well, the overlap of the protein and iron curves. (See color insert.)

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