Table 4.
Polyesters for 3D printing neural scaffold manufacture.
| Materials | Printing Resolution | Printed Structure | Mechanical Properties | Printing Method | Application | Reference |
|---|---|---|---|---|---|---|
| PLA | 250 μm | Scaffolds with different gap width between struts | - | Extrusion | Promotes neural differentiation of hDPSCs. | [39] |
| PCL | 50 μm | Porous guidance conduit | Elastic modulus of 68.74 MPa | Inkjet | Promotes successful axonal regrowth and remyelination | [114] |
| PLA/PCL | 1 μm | Guidance conduit | - | Inkjet | ability to sustain cell growth and attachment | [38] |
| PCL/PAA | ~50 μm | Grid porous conduit | Young’s modulus of 85 ± 3.9~204 ± 6.7 MPa | EHD jet | Influence nerve excitation and conduction | [115] |
| PU/collagen | ~150 μm | Double layer porous conduit | - | Extrusion | Bridge a 10 mm long rat peroneal nerve defect | [116] |
| PLGA/PLLA | - | Scaffold with guidance channels | Young’s modulus of 2~62 MPa | FDM | Guide axons to linear conformations and support growth of iPSC-derived neurons | [117] |