Table 1.
Summary of feature size and average bactericidal efficiency of nanostructured Ormostamp surfaces S(a) to S(f)
| Sample | Pillar height h (nm) | Center to center distance d (nm) | Average pillar density n (# μm−2) | RMS roughness (nm) | Bactericidal efficiency (%) |
|---|---|---|---|---|---|
|
~ 250 | ~ 130 | ~ 68 | 8.6 | 31 |
|
~ 200 | ~ 130 | ~ 68 | 4.4 | 23 |
|
~ 400 | ~ 170 | ~ 40 | 39.1 | 100 |
|
~ 200 | ~ 170 | ~ 40 | 28.0 | 98 |
|
~ 300 | > 300 | < 20 | 16.9 | 26 |
|
~ 150 | > 300 | < 20 | 3.1 | 31 |
|
– | – | – | 1.6 | 21 |
Their feature size was analyzed according to SEM images. Bactericidal efficiency was evaluated based on fluorescence microscopy images