Table 3.
Mean fluorescence lifetime (τmean) and associated exponential coefficients (ai) of NAD(P)H in HaCaT and SCC4 cells. The values were calculated by a two-exponential fit decay analysis performed with the fixed lifetimes τ1 = 400 ps and τ2 = 2.5 ns.
| τmean (ps) | a1 (%) | a2 (%) | a1/a2 | |
|---|---|---|---|---|
| HaCaT | 1160 ± 34 | 63.8 ± 1.6 | 36.2 ± 1.6 | 1.77 ± 0.12 |
| SCC4 | 1073 ± 28 | 68.0 ± 1.3 | 32.0 ± 1.3 | 2.12 ± 0.13 |
The statistical significance of the respective components between HaCaT and SCC4 cell lines was evaluated using a one-way ANOVA test, that showed a p-value of 7.93 × 10−9 for τmean, 6.07 × 10−9 for a1/a2, 8.14 × 10−9 for a1 and 7.58 × 10−9 for a2.