Table 1.
Summarized bimolecular rate constants of interaction of TUDCA and UDCA with singlet oxygen calculated from straight-line slopes presented in Figure 2B. Rate constant of 1O2 (1Δg) quenching by taurine from Egorov et al. [64].
| Compound | Rate constants for Interactions of 1O2 (M−1s−1) |
Solvent |
|---|---|---|
| TUDCA | (1.98 ± 0.32) × 105 | DMSO-d6:CHCl3 mixture (1:1, v/v) |
| UDCA | (0.39 ± 0.13) × 105 | DMSO-d6:CHCl3 mixture (1:1, v/v) |
| Taurine a | <3.00 × 103 | Deuterated water (D2O) |
| Phospholipids b | 0.8 ÷ 1.8 × 105 | Carbon tetrachloride (CCl4) |
| Cholesterol c | 5.7 ×·104 | Benzene |
| a–Tocopherol d | (1.21 ± 0.17) × 108 | Carbon tetrachloride (CCl4) |
a Egorov, S., et al.; Biochem. Mol. Biol. Int. 1997, 41, 687–694; b Broniec, A., et al.; Free Rad. Biol. Med. 2011, 50, 892–898; c Vever-Bizet, C., et al.; Photochem. Photobiol. 1989, 50, 321–325; d Gruszka, J., et al.; Free Rad. Biol. Med. 2008, 45, 920–928.