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. 2016 Sep 6;1(3):334–343. doi: 10.1021/acsomega.6b00017

Figure 5.

Figure 5

Viable counts of E. coli ATCC 25922 after incubation at 20 °C on modified polyurethane squares for (a) 2 h in the dark, (b) 2 h with exposure to standard laboratory white light (500 ± 300 lx), (c) 3 h in the dark, and (d) 3 h with exposure to standard laboratory white light (500 ± 300 lx). *Bacterial counts were reduced to below the detection limit of 100 cfu/mL. DOPA indicates NPs synthesized with DOPA capping. Error bars are based on the standard deviations of three experimental replicates.