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SEM micrographs of MDR E. coli and MRSA cells after 8 hours of treatment with AuNPs (A, C) and Ag/AuNPs (B, D), respectively.
Abbreviations: AgNPs, silver nanoparticles; AuNPs, gold nanoparticles; MDR E. coli, multidrug-resistant Escherichia coli; MRSA, methicillin-resistant Staphylococcus aureus; SEM, scanning electron microscopy.
