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. 2020 Sep 3;21(17):6440. doi: 10.3390/ijms21176440

Figure 4.

Figure 4

(a) SEM images of Mg alloys coated with chitosan–Ag sulfadiazine (CS/AgSD)–MWCNT nanofibers; (b) TEM images of CS/AgSD–MWCNT nanofibers; (c) the antibacterial activity of CS/AgSD–MWCNT nanofiber coatings for Esherichia coli and Staphylococcus aureus bacteria ((A1) is uncoated mg alloy, (A2) is CS, (A3) is CS/0.25AgSD-MWCNTs, (A4) is CS/0.5AgSD-MWCNTs, (A5) is CS/1.5AgSD-MWCNTs, and (control) is doxycycline); (d) the antibacterial mechanism of CS/AgSD–MWCNT nanofiber coatings. Reproduced with permission from [55].