Mean values (±s.d.) of surface profile parameters obtained from 3-D images (N=3) of the four types of substrata
| . | PMMA . | . | PP . | . | ||
|---|---|---|---|---|---|---|
| Profile parameters . | Smooth . | Rough . | Smooth . | Rough . | ||
| Low magnification (5×) | ||||||
| Ra (μm) | 0.36±0.13 | 1.74±0.65 | 0.20±0.03 | 27.02±1.21 | ||
| Rz (μm) | 10.52±0.57 | 16.22±2.80 | 16.87±18.65 | 262.14±50.32 | ||
| High magnification (50×) | ||||||
| Ra (μm) | 0.07±0.01 | 1.98±0.27 | 0.03±0.01 | 18.73±11.77 | ||
| Rz (μm) | 1.51±0.09 | 15.19±2.29 | 3.37±3.35 | 106.65±29.83 | ||
| Lr | 1.004±0.001 | 1.055±0.011 | 1.008±0.001 | 1.776±0.286 | ||
| . | PMMA . | . | PP . | . | ||
|---|---|---|---|---|---|---|
| Profile parameters . | Smooth . | Rough . | Smooth . | Rough . | ||
| Low magnification (5×) | ||||||
| Ra (μm) | 0.36±0.13 | 1.74±0.65 | 0.20±0.03 | 27.02±1.21 | ||
| Rz (μm) | 10.52±0.57 | 16.22±2.80 | 16.87±18.65 | 262.14±50.32 | ||
| High magnification (50×) | ||||||
| Ra (μm) | 0.07±0.01 | 1.98±0.27 | 0.03±0.01 | 18.73±11.77 | ||
| Rz (μm) | 1.51±0.09 | 15.19±2.29 | 3.37±3.35 | 106.65±29.83 | ||
| Lr | 1.004±0.001 | 1.055±0.011 | 1.008±0.001 | 1.776±0.286 | ||
Ra, mean roughness of the profile; Rz, maximum height of the profile; Lr,profile length ratio.