Toxicity Biosensor for Sodium Dodecyl Sulfate Using Immobilized Green Fluorescent Protein Expressing Escherichia coli

Table 1

Response of E.  coli GFP toxicity biosensors prepared from three different culture batches towards SDS (20–100 ppm) exposure, .

Set biosensor	Sensitivity (%/ppm)	value
1	61.39 ± 0.32	0.9877
2	62.19 ± 0.76	0.9875
3	62.12 ± 0.62	0.9833