| Col | Collagen |
| CT | Chitosan |
| ALP | Alkaline Phosphatase |
| AR | Alizarin Red |
| ARS | Alizarin Red Staining |
| LDW via TPP | Laser Direct Writing via Two-Photon Polymerization |
| SEM | Scanning Electron Microscopy |
| PBS | Phosphate Buffered Saline |
| EtOH | Ethanol |
| PNPP | P-Nitrophenyl Phosphate |