Time

Concentration (μg/mL) (mean ± SD, n = 2)

6 days

263.5 ± 5.93

8 days

295.0 ± 3.81

10 days

273.5 ± 2.17

12 days

243.5 ± 2.17

14 days

195.8 ± 2.12

16 days

113.5 ± 5.44