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Common CPPs in stem cell tracking application
| CPPs | Amino acid sequence | Connected nanoparticles | Cell type | Tracking technology |
|---|---|---|---|---|
| TAT [66] | RRRQRRKKRG | Gd | hMSCs | MRI |
| R9 [65] | LAGRRRRRRRRRK | Gd | rBMSC | MRI |
| TAT [57] | – | Long persistent luminescence nanoparticles (LPLNP) | ASC | FI |
| R8 [52] | RRRRRRRRC | Pdots | hMSCs | FI |
| R8 [58] | – | QD | mASC | FI |
| TAT [59] | YGRKKRRQRRR | NIR highly fluorescent Pdots | hMSCs | FI |
| R8 [51] | RRRRRRRRC | NIR highly fluorescent Pdots | hMSCs | FI |
| TAT [64] | – | TPSi NP | MSC | UI |
