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. 2017 May 15;2(3):156–161. doi: 10.1016/j.bioactmat.2017.05.002

Fig. 7.

Fig. 7

Confocal laser scanning microscopy shows the formation of MRSA biofilm on cement specimens. Cement without AuNPs (control), (A); Cement-AuNPs (0.25% w/w), (B); Cement-AuNPs (0.50% w/w), (C); Cement-AuNPs (1% w/w), (D). Biofilms were stained with live/dead BacLight viability stain (Life Technologies, Monza, Italy): SYTO9 (green) represents viable cells; propidium iodide (red) represents dead cells. Cement-AuNPs 1% by weight represents the most effective in reducing biofilm formation. In all images the scale bar = 30 μm.