Table 1 Photophysical properties of BTP-PEGm in saline at 37 °C.
Compound | Average molecular weight | ε a (103 dm3 mol−1 cm−1) | \({\lambda }_{\text{max}}^{\text{Phos}}\)(nm) | \({\tau }_{\text{P}}^{0}\)(μs) | \({\tau }_{\text{P}}\)(μs) | \({\Phi }_{\text{P}}^{0}\) b | \({\Phi }_{\text{P}}\) b |
|---|---|---|---|---|---|---|---|
BTP-PEG2000 | 7300 | 9.2 | 644 | 3.89 | 0.89 | 0.16 | 0.05 |
BTP-PEG5000 | 16,000 | 9.0 | 644 | 4.01 | 0.90 | 0.17 | 0.05 |
BTP-PEG10000 | 32,000 | 8.7 | 644 | 4.04 | 0.87 | 0.17 | 0.05 |
BTP-PEG20000 | 63,000 | 8.6 | 644 | 4.04 | 0.93 | 0.17 | 0.05 |