Fig. 3From: LED control of gene expression in a nanobiosystem composed of metallic nanoparticles and a genetically modified E. coli strainResponse surface curve for interaction effect of: A Time and distance factors when concentration and volume were maintained at 49 ppm and 1525μL, respectively. B Distance and concentration factors when time and volume were maintained at 10 min and 1525μL, respectivelyBack to article page