Fig. 1. Fabrication of microfluidic chips

Fig. 2. Microfluidic chip platform with mesh structure and chambers

Fig. 3. Microfluidic in-chip 3D fluorescence imaging

Fig. 4. RFP fluorescence images of HT-29 cells cultured in 3D within a microfluidic chip

Fig. 5. Protein expression levels of HT-29 cells in 3D and 2D cultures