Table 1. Interface pH′ (pH′inf) values of DOPC/DOPE/TOCL (2 : 1 : 1) and DOPG LUVs at various bulk pHs a .
| pH |
|
|||
| DOPC/DOPE/TOCL (2 : 1 : 1) |
DOPG |
|||
| Abs | FL | Abs | FL | |
| 7.50 | 4.59 ± 0.08 | 4.60 ± 0.05 | — | — |
| 7.00 | 4.10 ± 0.05 | 4.13 ± 0.04 | — | — |
| 6.50 | 3.65 ± 0.03 | 3.75 ± 0.02 | 4.92 ± 0.06 | 4.86 ± 0.05 |
| 6.00 | 3.33 ± 0.03 | 3.41 ± 0.02 | 4.44 ± 0.04 | 4.41 ± 0.03 |
| 5.50 | 2.99 ± 0.03 | 3.09 ± 0.02 | 3.93 ± 0.02 | 3.95 ± 0.02 |
| 5.00 | 2.68 ± 0.04 | 2.81 ± 0.03 | 3.43 ± 0.02 | 3.44 ± 0.02 |
| 4.50 | 2.44 ± 0.07 | 2.49 ± 0.05 | 2.97 ± 0.04 | 2.93 ± 0.03 |
| 4.00 | — | — | 2.55 ± 0.07 | 2.39 ± 0.06 |
aInterface pH′ values were estimated from the absorption (Abs) and fluorescence (FL) spectra of RHG at 25 °C.