Results of the L9 (3) orthogonal array.
Run | Factors | A initial cell density | B induction period (h) | C IPTG (mM) | NDM-1 activity (U ml−1) | ||
---|---|---|---|---|---|---|---|
A | B | C | |||||
1 | 1 | 1 | 1 | 0.5 | 15 | 0.55 | 18 |
2 | 1 | 2 | 2 | 0.5 | 20 | 0.65 | 67 |
3 | 1 | 3 | 3 | 0.5 | 25 | 0.75 | 28 |
4 | 2 | 1 | 2 | 0.6 | 15 | 0.65 | 43 |
5 | 2 | 2 | 3 | 0.6 | 20 | 0.75 | 52 |
6 | 2 | 3 | 1 | 0.6 | 25 | 0.55 | 60 |
7 | 3 | 1 | 3 | 0.7 | 15 | 0.75 | 48 |
8 | 3 | 2 | 1 | 0.7 | 20 | 0.55 | 23 |
9 | 3 | 3 | 2 | 0.7 | 25 | 0.65 | 34 |
k1 | 37.67 | 36.33 | 33.67 | ||||
k2 | 51.67 | 47.33 | 48.00 | ||||
k3 | 35.00 | 40.67 | 42.67 | ||||
Delt | 16.67 | 11.00 | 14.33 | ||||
Ran | 1 | 3 | 2 |