Table 2: Results from AFM (surface roughness , surface area enlargement ), and optical profilometer measurements.

Preparation (nm),
mean (s.d.)
%,
mean (s.d.)
value,
(µm)

Machined, reference, -sterilized26.3 (17.6)13.1 (8.96)0.6
Glow discharge cleaned and thermally oxidized, -sterilized10.2 (4.45)0.78 (0.49)0.4
Glow discharge cleaned and nitrided, -sterilized25.2 (11.1)8.63 (6.88)0.6
H2O2 treated, 10 mM, 40 h, 8°C25.6 (11.2)20.5 (5.39)0.7