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Contact angles 
of water and n-hexadecane on all four surfaces used in whole-animal experiments and modeling
| Surface | Water, ° | n-Hexadecane, ° |
| Glass | 50 ± 1.4 | 13 ± 2.0 |
| PMMA | 85 ± 0.5 | 9 ± 2.3 |
| OTS-SAM | 94 ± 0.5 | 29 ± 2.9 |
| PTFE | 97 ± 0.3 | 30 ± 1.6 |
Errors are means ±1 SEM.
