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. Author manuscript; available in PMC: 2014 Nov 18.

Published in final edited form as: Adv Funct Mater. 2009 Mar 9;19(8):1276–1286. doi: 10.1002/adfm.200801561

Table 3.

Angle-resolved XPS of hydrogels with PFM.

		F/C		XPS sampling depth / nm
sample	% PFM	bulk	surface	XPS sampling depth / nm
HEMA-co-EGDA / PFM	0.1	0.003	0.15	2.7
	0.1	0.003	0.08	8.0
	0.6	0.009	0.38	2.7
	0.6	0.009	0.26	8.0
	20	0.259	0.47	2.7
	20	0.259	0.43	8.0

PFM-co-EGDA	45	0.504	0.43	0.42
PFM-co-EGDA	45	0.504	2.7	8.0