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Contact angle (θ) measurements for the MNHS.
| Figurea | Micro-pattern | PR removal | Contact angle |
|---|---|---|---|
 |
Pillar | Asher |  |
 |
Pillar | Acetone |  |
 |
Cavity | Asher |  |
 |
Cavity | Acetone |  |
aSEM images displayed do not match practical sizes, but present geometrical structures.
