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

Journal of Genetic Engineering and Biotechnology

Table 2 Significant variables and their levels in CCD affecting on luminescence intensity of strain Vibrio sp. 6HFE

Variable	Coded levels and trial values
Variable	−α	−1	0	1	Α
Yeast extract (g/l)	0.2	0.5	1	4	8
K₂HPO₄ (g/l)	0.1	0.3	0.5	2	4
MgSO₄ (g/l)	0.1	0.3	0.5	1	2
CaCl₂ (g/l)	0.5	1	2	3	4