浓度(μmol/L) | 12 h | 24 h | 36 h | 48 h |
0 | 0.261 ± 0.012 | 0.267 ± 0.016 | 0.273 ± 0.014 | 0.276 ± 0.012 |
2.0 | 0.326 ± 0.015 | 0.354 ± 0.011 | 0.390 ± 0.020 | 0.414 ± 0.017 |
4.0 | 0.369 ± 0.096 | 0.451 ± 0.011 | 0.597 ± 0.019 | 0.657 ± 0.016 |
6.0 | 0.426 ± 0.044 | 0.748 ± 0.021 | 0.751 ± 0.023 | 0.780 ± 0.026 |
8.0 | 0.536 ± 0.056 | 0.751 ± 0.028 | 0.766 ± 0.013 | 0.778 ± 0.015 |