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. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: Adv Mater Interfaces. 2014 May 20;1(6):1400145. doi: 10.1002/admi.201400145

Binding and release of a cationic antibacterial compound from DM films. (A) Percentage thickness change of DM or PDA after 16h exposure to H₂O or GM solution. (B) GM release from PC/DM/GM over 4h. (C) 4h GM release from PC/DM/GM as a function of DM film thicknesses. (D) Zones of inhibition of S. aureus after 18 h incubation of PC coated with DM/GM (bottom) or PDA/GM (top). (E) Death assay showing survival of planktonic S. aureus after 4 h exposure to PC coated with PDA and DM.

Binding and release of a cationic antibacterial compound from DM films. (A) Percentage thickness change of DM or PDA after 16h exposure to H₂O or GM solution. (B) GM release from PC/DM/GM over 4h. (C) 4h GM release from PC/DM/GM as a function of DM film thicknesses. (D) Zones of inhibition of S. aureus after 18 h incubation of PC coated with DM/GM (bottom) or PDA/GM (top). (E) Death assay showing survival of planktonic S. aureus after 4 h exposure to PC coated with PDA and DM.