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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Fluorescence microscope image of mature biofilms of S. mutans stained with SYTO (green) after treatment with (B) GHaR6R, (C) GHaR7R, (D) GHaR8R, and (E) GHaR9W at 50 μM. The biofilms untreated with the peptides were used as (A) the negative control.