Fig. 1.
Design of the 3D microfluidic high-throughput drug screening platform: (i) three layers of the microfluidic device and a magnified view of the serpentine-like channels in the concentration gradient generator (CGG) and bacterial dispenser with incubation chambers. (ii) The top view of the microfluidic platform and a magnified view of the complete CGG with gradient generated by the soy peptide and buffer solution at the end of the generator.