Fig. 8From: Microbacterium sp. MRS-1, a potential bacterium for cobalt reduction and synthesis of less/non-toxic cobalt oxide nanoparticles (Co3O4)MTT Assay-Percentage of cell viability L929 cells were recorded at 24 h exposure of Co3O4-NPs. Cell viability at 50, 75, and 100 mg/mL of Co3O4-NPs exposed for 24 h with control cells without bacterially synthesized Co3O4 nanoparticlesBack to article page