Protein adsorption on PCBGU surfaces after submersion in DI water for two days and in pH 8.5 Tris buffer for two hours.

	Fg adsorption (%)
	PCBGU-100	PCBGU-75	PCBGU-50	PCBGU-25	PEGCU-50
After 2 days in DI water	0.4	2.9	2.0	1.6	25.3
After 2 hours in pH 8.5 buffer	0.6	2.7	3.6	2.6	29.0