Table 5: Amount of attached HRP protein (see (5)) on PIII-treated UHMWPE with various blocking agents of the surface. Detergent SDS was applied for analysis of covalently attached protein. The average error bar for the protein amount is 0.0010.

Blocking agentFormulaAs attachedAfter SDS washing

No blocking0.01640.0113

HexeneCH3(CH2)3CH=CH20.01620.0090

Styrene126170.tab.0010.01560.0098

Ethylenediamine126170.tab.0020.01220.0049

Polytetrahydrofuran (PTHF)126170.tab.0030.01020.0060

TEMPO126170.tab.0040.01190.0015

Benzyl mercaptan126170.tab.0050.00780.0018