Mechanisms for Covalent Immobilization of Horseradish Peroxidase on Ion-Beam-Treated Polyethylene

Table 4

Amount (see (5)) and catalytic activity of HRP protein on PIII-modified LDPE attached in air and in vacuum.

	Attachment on air	Attachment in vacuum
Protein amount as attached	0.020±0.001	0.023±0.001
Activity of protein	0.54±0.06	0.45±0.02