Table 5.
Composites for 3D printing neural scaffold manufacture.
| Conductive Materials |
Main Materials | Printing Resolution (μm) | Printed Structure | Mechanical Property (MPa) |
Conductivity (mS/m) |
Printing Method | Reference |
|---|---|---|---|---|---|---|---|
| PEDOT | GelMA and PEGDA hydrogel | 200 | Grid scaffold of stacking fibers | Compression stiffness 26.3–35.4 | 1510 | SLA | [129] |
| PPy | PEGDA hydrogel | 200 | Honeycomb structure | Young’s modulus 1.4 | 7.7 | SLA | [130] |
| Graphene | Gelatin hydrogel/PLA | ~100 | Porous conduit | Young’s modulus~80 | 0.02 | Extrusion | [137] |
| Graphene | PLGA | 100 | Square pore scaffolds | Young’s modulus 3~16 | Extrusion | [139] | |
| MWCNT | PEGDA hydrogel | ~200 | Square pore scaffolds | Young’s modulus ~1.1 | ~0.08 | SLA | [140] |
| Graphene | PCL | 50 | Porous conduit | Elastic modulus 68.74 | 890 | Inkjet | [114] |