Table 1.

Surface roughness of various synthetic biopolymer layers

Substance	Mean surface roughness s a (nm)	Squared surface roughness s q (nm)
1xVSO1-100xELP	0.70	0.89
2xVSO1-100xELP	0.78	1.03
4xVSO1-100xELP	0.34	0.55

Defined grids of 2.5 × 2.5 μm² were analyzed.