Group

Dgent (10−12 m2∙s−1)

Control

26.5 ± 7.6

5MEPAR

19.7 ± 5.7

15MEPAR

12.6 ± 4.4

25MEPAR

28.9 ± 5.2

1DDM

17.3 ± 2.1

2DDM

21.1 ± 7.7

3DDM

14.8 ± 1.9