126170.fig.0014a
(a)
126170.fig.0014b
(b)
126170.fig.0014c
(c)
126170.fig.0014d
(d)
Figure 14: (a) XPS line of N+ PIII-treated UHMWPE without (a) and with (b) attached HRP protein and difference between these two spectra (c). (b) XPS line of N+ PIII-treated UHMWPE without (a) and with (b) attached HRP protein and difference between these two spectra (c). (c) XPS line of N+ PIII-treated UHMWPE without (a) and with (b) attached HRP protein and difference between these two spectra (c) with two fitted individual peaks. (d) XPS  lines of N+ PIII-treated UHMWPE without (a) and with (b) attached HRP protein.