Fig. 2
From: Wettability Influences Cell Behavior on Superhydrophobic Surfaces with Different Topographies
Optical profilometry of representative PS-R (a) and PLLA-R (b) samples with an area of 1.2 × 0.9 mm2 performed applying the VSI mode. a PS-R surface with an average roughness of 13.41 ± 2.83 μm and a root mean square roughness of 20.65 ± 5.13 μm. b PLLA-R surface with an average roughness of 8.28 ± 0.66 μm and a root mean square roughness of 10.76 ± 0.84 μm