Cell Morphology on Poly(methyl methacrylate) Microstructures as Function of Surface Energy

Table 2

Contact angles of water as a function of droplet volume and substrate topography.

	1 µL H2O (°)	2 µL H2O (°)	5 µL H2O (°)
Nonstructured/pa	73.4±0.6	75.4±2.6	72.4±2.0
Nonstructured/pe	73.8±1.6	77.8±2.7	80.1±2.9
P1:1 Cubes/pa	84.5±1.4	87.2±1.3	86.5±1.8
P1:1 Cubes/pe	80.2±1.2	85.8±2.4	83.7±1.0
P1:5 Cubes/pa	79.6±1.5	81.9±1.9	89.9±0.5
P1:5 Cubes/pe	78.9±1.9	81.0±0.9	75.5±2.7
P1:1 Walls/pa	135.9±0.8	131.9±3.9	134.1±3.5
P1:1 Walls/pe	50.3±1.8	58.6±0.7	65.6±0.8
P1:5 Walls/pa	137.4±1.0	126.4±3.7	119.6±3.0
P1:5 Walls/pe	65.5±1.5	70.4±1.1	73.5±3.1