Surface Engineered Polymeric Biomaterials with Improved Biocontact Properties

Table 1

Cross-section corrected intensities of characteristic functional groups for various hydrophilic photo-polymeric films: N-vinylpyrrolidone (NVP), acrylic acid (AA) or polyethylene glycol mono-acrylates (PEG) on PE-OSO₃H and PVC after adsorption of bovine serum albumin (BSA).

C−O−/−CH2−		−COO−/−CH2−	O(1s)/−CH2−	N/−CH2−	N^+/−CH2−	Cl(2p)/−CH2−	I-CH2- (cs^-1eV^-1)
PE-OSO3H	0.57	0.27	0.45	0.15	0.04		2706
NVP	0.84	0.29	1.13	0.17	0.11		1040
AA	1.29	0.38	1.18	0.15	0.15		1062
PEG550	1.08	0.28	1.39	0.04	0.02		1402
PEG1900	2.06	0.46	1.47	0.03	0.01		1145
PEG5000	1.81	0.30	1.23	0.03	>0.01		1226
TMP(EO)20	2.32	0.25	1.55	0.06	>0.01		1086
PVC	0.72	0.21	0.41	0.13	0.04	0.23	1693
PEG550	0.80	0.20	0.64	0.09	0.02	0.18	1600
PEG1900	1.32	0.24	0.80	0.04	0.02	0.18	1332
PEG5000	2.20	0.30	1.35		0.03	0.11	1051
TMP(EO)20	0.76	0.19	0.55	0.11	0.04	0.11	1694