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. 2021 Jun 21;7:51. doi: 10.1038/s41522-021-00223-6

Fig. 8. Antimicrobial activity of PDMS-SA samples against sessile E. coli and S. aureus cells compared to PDMS control samples.

Fig. 8

a Representative scanning electron microscopy images of E. coli and S. aureus at the surface of PDMS and PDMS-SA samples after 24 h of incubation (scale bar 20 µm); b Representative confocal fluorescence images of bacteria at the surface of PDMS and PDMS-SA samples after 24 h, as stained by Live/Dead fluorescent labelling, showing live cells in green and dead cells in red/yellow (image size 71 µm × 71 µm); c Inhibition of sessile E. coli and S. aureus cells after 24 h of incubation (inoculum 104 CFU/ml) on PDMS-SA.