Table 3 Influence of hydrogel drying on the dimensions of the nanopillars (data reliability 95%).
From: Replica-mold nanopatterned PHEMA hydrogel surfaces for ophthalmic applications
Hydrogel | Inviolability | Time in air | Beam current | Measured | |
|---|---|---|---|---|---|
Height (nm) | Diameter (nm) | ||||
Fresh | 2 h | 42 pA | 16 ± 5 | 160 ± 30 | |
160 pA | 43 ± 6 | 244 ± 27 | |||
Used | 2 h + 2 h | 42 pA | 13.2 ± 1.6 | 152 ± 20 | |
160 pA | 31 ± 3 | 215 ± 17 | |||
