DDP (μg/mL)

A549

A549/DDP

2

26.69 ± 2.97

1.83 ± 1.14

4

48.72 ± 2.57^*

4.50 ± 2.15^*

8

62.05 ± 0.73^*

9.24 ± 2.23^*

16

87.23 ± 0.54^*

20.64 ± 2.72^*

32

91.74 ± 0.74^*

39.41 ± 2.34^*