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. 2020 Jul 28;17:100332. doi: 10.1016/j.mtchem.2020.100332

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Fig. 7 — Zone of inhibition for E. coli obtained by (a) without cobalt ferrite nanoparticles (b) CoFe₂O₄ (c) Co_0.5Cu_0.5Fe₂O₄, (d)Co_0.5Zn_0.5Fe₂O₄, (e) Co_0.5Mn_0.5Fe₂O₄ and (f) Co_0.5Ni_0.5Fe₂O₄. Reprinted with permissions from N. Sanpo et al., Acta Biomater. 9 (2013) 5830–5837. Copyright 2013 Elsevier [51].