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SEM micrographs of: (a) untreated S. aureus; (b) S. aureus after ZnO treatment; (c) untreated S. epidermidis; (d) S. epidermidis after ZnO treatment; (e) untreated E. coli; (f) E. coli after ZnO treatment; (g) untreated C. albicans; (h) and C. albicans after ZnO.
