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International Journal of Bioprinting In vitro 3D pancreatic acinar unit

Figure 2. Fabrication of acinar structures by melt-electrowriting (MEW). (a) Scanning electron microscopy (SEM) images of scaffolds obtained by setting
different process parameters, according to Table 1. Scale bars: 500 µm (first row) and 100 µm (second row). (b) Bar plots reporting the dimensional analysis
(filament size) on the different scaffold types (n = 2; 40 images per scaffold). Tukey’s multiple comparisons test: *p < 0.05, **p < 0.01, ***p < 0.001, ****p <
0.0001. (c) CAD drawing and photographs of the printed structures corresponding to scaffold type iv. (d) Photographs showing the relationship between
geometrical accuracy and humidity, which varies between 44% and 54%.

Volume 10 Issue 2 (2024) 418 doi: 10.36922/ijb.1975