Figure 5.
Microbial reduction induced by PVA/TNFC-copper nanoparticles after 1-week exposure. The asterisks refer to significant levels compared to one of the controls: PVA/TNFC, P < 0.05 (∗), P < 0.01 (∗∗), and P < 0.001 (∗∗∗).
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