Fig. 4From: Microbacterium sp. MRS-1, a potential bacterium for cobalt reduction and synthesis of less/non-toxic cobalt oxide nanoparticles (Co3O4)Cobalt oxide nanoparticles (Co3O4) synthesized by Microbacterium sp. MRS-1 treated with CoCl2 of 1 μm field size. 1.4 × 1.4 μmBack to article page