Fig. 4From: Analysis of bioavailable toluene by using recombinant luminescent bacterial biosensors with different promotersEffects of (a) coexisting carbon sources (100 μM), (b) benzoate, and (c) toluene analogs and their concentrations on luminescence of T7-lux-E. coli and SP6-lux-E. coli induced by 100 μM toluene for 2 h or 1 hBack to article page