Research Article
Toxicity Biosensor for Sodium Dodecyl Sulfate Using Immobilized Green Fluorescent Protein Expressing Escherichia coli
Figure 3
The fluorescence emission spectra of the bacteria E. coli GFP cells with varying cell densities (5.84, 11.68, 14.6, 17.52, 23.36, and 29.2 μg/mL) immobilized in 1.8% k-Carrageenan matrix ().