Table 2.
The molecular structure and application of the different materials for preparing microspheres.
| Property | Composition | Molecular Structure | Method | Application | Reference |
|---|---|---|---|---|---|
| Natural polymers | Sodium Alginate |
|
Electrospray | Wound dressing | [54,69] |
| Chitosan |
|
Supercritical fluids | Wound dressing | [69,70] | |
| Collagen |
|
Emulsification | Skin repair | [71,72] | |
| Gelatin |
|
Electrospray | Packaging for food | [73] | |
| GelMA |
|
Microfluidic | Skin closure | [74] | |
| Synthetic polymers | Polylactic acid (PLA) |
|
Co-solvent evaporation | Sutures | [75] |
| Polyglycolic acid (PGA) |
|
Emulsification | Surgical Suture | [76] | |
| PGA-PLA copolymer |
|
Emulsification | Implants | [77] | |
| Poly- (orthoesters) (PEO) |
|
Emulsification | Drug delivery | [78] | |
| Polycarbonate |
|
Emulsification | Drug delivery | [79] |