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The wavelength of maximum K/S for the washed untreated and plasma treated samples at different time of modification.
| Samples | λmax |
|---|---|
| Untreated | 503.5 |
| 5 min plasma-treated | 501.1 |
| 10 min plasma-treated | 498.2 |
| 14 min plasma-treated | 497.4 |
| 18 min plasma-treated | 496.7 |
| 22 min plasma-treated | 495.9 |
