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Table 4 PBD matrix to evaluate the significant variables affecting BL intensity

From: Toxicity monitoring of solvents, hydrocarbons, and heavy metals using statistically optimized model of luminous Vibrio sp. 6HFE

Run order pH Glycerol Yeast Peptone NaCl CaCl2 MgSo4 K2HPO4 BL intensity (CPS) × 106
Experimental Predicted
1 1 1 −1 1 −1 -1 −1 1 0.15 0.08
2 −1 1 1 1 −1 1 1 −1 1.13 1.08
3 1 −1 −1 −1 1 1 1 −1 1.39 1.31
4 −1 −1 1 1 1 −1 1 1 0.43 0.39
5 1 1 −1 1 1 −1 1 −1 1.02 1.10
6 −1 1 1 −1 1 −1 −1 −1 0.12 0.14
7 1 −1 1 1 −1 1 −1 −1 0.24 0.29
8 1 1 1 −1 1 1 −1 1 0.13 0.12
9 −1 −1 −1 1 1 1 −1 1 1.38 1.42
10 −1 1 −1 −1 −1 1 1 1 1.04 1.09
11 −1 −1 −1 −1 −1 −1 −1 −1 0.32 0.31
12 1 −1 1 −1 −1 −1 1 1 0.22 0.26