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. 2015 Oct 10;6(35):37695–37705. doi: 10.18632/oncotarget.6070

Figure 2. Performance validation of the co-cultural microfluidic device.

Figure 2

a. The matrigel perfusing process. The red arrow shows the interface of the matrigel. The blue arrow indicates the shores located in the cell culture chambers. (a1. The U-shaped matrigel channel filled with matrigel. a2. The straight matrigel channel filled with matrigel.) b. Diffusion of FITC-Dextran in the medium channel (b1. 10 min. b2. 180 min). c. Diffusion of FITC-Dextran in the chambers (c1. 10 min. c2. 200 min). For the microscopy images, 40×, scale bar 200 μm.