Table 1 Photophysical properties of BTP-PEGm in saline at 37 °C.

From: Confocal microscopic oxygen imaging of xenograft tumors using Ir(III) complexes as in vivo intravascular and intracellular probes

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

  1. aAt 488 nm.
  2. bAt room temperature.