Fig. 4From: 3D nanomolding and fluid mixing in micromixers with micro-patterned microchannel wallsSEM micrographs of a a 3D channel fabricated via 3D molding, b the cross-section of the 3D channel after solvent-assisted bonding, c micro ratchets integrated inside the channel. d A photograph of the micromixer with patterned wallsBack to article page