| http://www.w3.org/ns/prov#value | - There are clear differences between the different surfaces and there is evidence to suggest that PNIPAAM is present at the interface, particularly the presence of a significant N1s signal on the network surfaces even in the high vacuum environment of the XPS. The higher C1s levels on the surfaces measured at a takeoff angle of 20??? is likely indicative of atmospheric contamination rather than sur
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