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International Journal of Bioprinting Printing collagen type IV membrane
Figure 2. Physical evaluation of collagen type IV (Col-IV) membrane. (A) The 3D confocal test demonstrates uniform surface coloring. (B) Both Col-IV
membranes exhibit > 90% light transmittance. (C) Scanning electron microscopy (SEM) reveals a dense network structure. Magnification: 15,000×. Scale
bar: 1 µm.
Volume 10 Issue 4 (2024) 163 doi: 10.36922/ijb.3258
