Table 5. Lifetimes (ϕ) and respective pre-exponential factors (α) of time-resolved anisotropy fluorescence at 360 nm of tryptophans from CA, CB and CTX.
| CA | CB | CTX | |
|---|---|---|---|
| φ1 (ns) | 2.5 ± 0.1 | 3.5 ± 0.2 | 2.9 ± 0.3 |
| φ2 (ns) | 0.086 ± 0.006 | 0.064 ± 0.003 | 0.047 ± 0.008 |
| α1 | 0.156 ± 0.003 | 0.129 ± 0.002 | 0.158 ± 0.006 |
| α2 | 0.225 ± 0.014 | 0.257 ± 0.014 | 0.205 ± 0.043 |
| Ares | 0.034 | 0.046 | 0.082 |
| χ2 | 1.07 | 1.11 | 1.06 |
The quality of the curve fit shown in Fig. 3, panel C analyzed based on the reduced-χ2 is also shown. The residual anisotropy (Ares) of each sample is also indicated.