Fig. 4
From: Piezoelectric-immunomodulatory electrospun membrane for enhanced repair of refractory wounds

In vitro antibacterial activity of PLLA@Ga + US. (a) Representative plates of bacteria colonies after treatment with different samples. (b) The fluorescence images of live (green) and dead bacterial (red). (c) Results of bacteria treated with various materials that formed colonies after 24 h. (d-e) Representative flow cytometry plots and quantitative analysis of PI. (f) Detection of membrane damage in bacteria through monitoring PI influx. Data are presented as mean ± SD (n = 3). “ns” represent “no significant”; *P < 0.05; **P < 0.01; ***P < 0.001