Cell Adhesion on Polycaprolactone Modified by Plasma Treatment

Table 1

Surface composition of plasma-treated samples.

	C	N	O	S	O/C	N/C	S/C
Untreated	77.8		22.2		0.29
Treated in O2	68.0		32.0		0.47
Treated in NH3	81.0	3.8	15.2		0.19	0.05
Treated in SO2	65.9	1.6	28.5	4.0	0.43		0.06