Research / 2020 / Article / Fig 4

Research Article

Bioinspired Adhesive and Antibacterial Microneedles for Versatile Transdermal Drug Delivery

Figure 4

Antibacterial ability and cytocompatibility of multifunctional MNs at different polymyxin concentrations. (a–f) Confocal laser scanning images of fluorescence-stained E. coli in leaching liquor of multifunctional MNs at different original polymyxin concentrations. The scale bar is 5 μm. (g–h) Statistical analysis of the E. coli killing rates (g) and NIH 3T3 cell viabilities (h) of multifunctional MNs at different original polymyxin concentrations.