Fig. 2.From: Microbacterium sp. MRS-1, a potential bacterium for cobalt reduction and synthesis of less/non-toxic cobalt oxide nanoparticles (Co3O4)UV–DRS absorption spectra of extracellular cobalt oxide nanoparticles (Co3O4) synthesized by Microbacterium sp. MRS-1 incubated with 200 mg/L of CoCl2 at 37 °C at 180 rpm for 120 hBack to article page