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Figure 5
Component maps derived from a C 1 s STXM image sequence of human serum albumin adsorbed on a polyurethane with PIPA and SAN filler particles (see Fig. 2[link] for further chemical microanalysis of the polymer substrate). The lower right-hand plot gives the mass thickness of each of the indicated components along the line indicated on the composition images. The color composite image (upper right) is a byte-scaled combination of the SAN (red), PIPA (green) and protein (blue) components, in order to display the spatial relationship of the protein relative to the two types of filler particles. (ALS BL 7.0 STXM instrument.)

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