Zinc Oxide Nanoparticles Enhance the Tolerance and Remediation Potential of Bacillus spp. against Heavy Metal Stress

Figure 6

Effect of ZnO NPs (0, 5, 10, 15, 20, and 25 mg/L) on Bacillus cereus cell morphology in the midlog phase of growth after 12 h: (a) control, (b) 5 mg/L, (c) 10 mg/L, (d) 15 mg/L, (e) 20 mg/L, and (f) 25 mg/L of ZnO NPs.

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