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International Journal of Bioprinting                                  Different modeling of porous scaffolds





























            Figure 9. (A) Permeability of different scaffolds. (B) Permeability of scaffolds prepared in this work as compared to those in other published studies. 47,58,59
            Abbreviations: D, Diamond; G, Gyroid; IW-P, I-graph-wrapped package; P, Primitive.

            methods can provide sufficient support and surface   well-connected to fluid passages, posing minimal hindrance
            area  to  safeguard  the  transport  of  waste nutrients  and   to fluid  flow. As a result, they exhibit relatively  higher
            cell migration.                                    permeability. In contrast, G and D structure scaffolds have
                                                               complex internal structures with curved spiral designs that
               Figure 10 displays different flow velocity cloud maps   accelerate fluid flow, creating varying velocity gradients.
            in fluid simulations. It can be observed that P and IW-P   These structures impede fluid flow to a greater extent,
            structure scaffolds have larger pore sizes, and their pores are   leading to lower permeability,  especially in the case of D
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             Figure 10. Flow velocity cloud maps for different scaffolds cells. Abbreviations: D, Diamond; G, Gyroid; IW-P, I-graph-wrapped package; P, Primitive.


            Volume 10 Issue 3 (2024)                       436                                doi: 10.36922/ijb.2565
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