Table 3. Effective doses (ED50) calculated from the light dose–response data of affected human cancer cell lines by fitting the curves using the two-parameter Hill-slope analysis with ±95% confidence intervals.
| Cell line | Wavelength (nm) | ED50
a
(SRB assay) |
||
| Value (J cm–2) | + Error | – Error | ||
| A375 | 455 | 10.9 | 3.7 | 2.8 |
| 520 | 140 | — | — | |
| A549 | 455 | 30.5 | 12.5 | 8.9 |
| MDA-MB-231 | 455 | 400 | — | — |
| 520 | 350 | — | — | |
aPositive and negative errors are not reported for ED50 values >100 J cm–2.