Concentration

0.2 mg/ml

0.4 mg/ml

0.6 mg/ml

0.8 mg/ml

1.0 mg/ml

Control

1 h

5 - 6 s

18 s

19 s

58 s

59 s

6 s

3 d

50 s

50 s

53 s

52 s

52 s

38 s

7 d

51 s

56 s

59 s

70 s

65 s

58 s

30 d

50 s

58 s

59 s

65 s

65 s

1 min 40 s