Fig. 4From: Visible light-regulated cationic polymer coupled with photodynamic inactivation as an effective tool for pathogen and biofilm eliminationAntibacterial dynamic curves of TPP-PEI against B. subtilis (a) and E. coli (b) with irradiated. Antibacterial dynamic curves of Ce6-TPP-PEI against B. subtilis (c) and E. coli (d) with irradiation. Cells were grown in the presence of different concentrations of Ce6 or TPP-PEI for 24 h. The data are presented as mean ± SD (n = 4)Back to article page