Rate (v:v) | Exposure time (h) | |||
---|---|---|---|---|
1 | 2 | 12 | 24 | |
1:1000 | −24.87 ± 3.38c | −53.97 ± 5.23d | −16.93 ± 1.58b | −77.78 ± 7.62b |
1:100 | −88.89 ± 10.99d | −77.27 ± 4.44c | −68.52 ± 3.38c | −81.48 ± 5.26b |
1:50 | 5.86 ± 1.89b | 8.44 ± 1.31b | 22.75 ± 3.51a | 27.02 ± 2.83a |
1:10 | 52.38 ± 3.91a | 52.38 ± 5.91a | 25.11 ± 1.85a | 44.44 ± 4.44a |