Ogwuche, C. and Moses, H. 2021. Characterization, Antimicrobial and Toxicity Studies of Silver Nanoparticles Using Opuntia ficus indica Leaves Extracts from Effurun, Delta State. Tanzania Journal of Science. 47, 1 (Feb. 2021), 34–46. DOI:https://doi.org/10.4314/tjs.v47i1.4.