Fig. 1From: Tailoring conductive inverse opal films with anisotropic elliptical porous patterns for nerve cell orientationScheme of tailored inverse opal films with different stretching directions for nerve cells induction. “α” means the angle between the stretching direction and the straight line of the single row of holes. Nerve cells were allowed to be induced into orientations connected with the surface topography, forming neural networks with different crossing degreesBack to article page