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Optical properties of bone-targeted NIR fluorophores in 10% FBS
| Fluorophore | P800SO3-Cl | P800SO3 [29] | P800SO3-SH | P800SO3-PEG |
|---|---|---|---|---|
| λabs (nm) | 783 | 785 | 810 | 810 |
| λem (nm) | 817 | 802 | 845 | 847 |
| Stokes shift (nm) | 34 | 17 | 35 | 37 |
| ε (M−1 cm−1) | 275,200 | 210,000 | 227,600 | 285,400 |
| QY (Φ, %) | 9.28 | 15.10 | 7.08 | 7.34 |
| Brightness (M−1 cm−1) | 25,539 | 31,710 | 16,114 | 20,948 |
