Fig. 9From: Synergistic mechanism of Ag+–Zn2+ in anti-bacterial activity against Enterococcus faecalis and its application against dentin infectionComparison of membrane potential (a) and membrane permeability (b) among groups. [Asterisk: significant difference when compared with the blank control group (p < 0.05); #significant difference when compared with the CCCP positive control group (p < 0.05)]Back to article page