| PEG | Polyethylene Glycol |
| Dex | Dextran |
| PS | Polystyrene |
| AFM | Atomic Force Microscope |
| ATPS | Aqueous Two-Phase System |
| MACS | Magnetic Activated Cell Sorting |
| FACS | Fluorescent Activated Cell Sorting |
| OA | Osteoarthritis |
| DIW | Deionized Water |
| GAG | Glycosaminoglycan |
| DMEM | Dulbecco’s Modified Eagle Medium |
| PBS | Phosphate-Buffered Saline |
| hChs | Human Chondrocytes |
| LMM | Linear Mixed Model |
| τp | Partitioning Time |
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