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. 2019 Jul 30;6(3):65. doi: 10.3390/bioengineering6030065

Figure 3.

Figure 3

A 3D printed CNF wound dressing cross-linked with CaCl2 (CNF_C50), and Scanning Electron Microscope (SEM) images of a region of five freeze-dried 3D printed constructs. The target dimension of the 3D printed CNF structure (upper left) was 20 mm × 40 mm.