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Increasing concentrations of PHMG-Cl reduce eDNA yield from Pseudomonas aeruginosa ATCC 27853 (PA) and Staphylococcus aureus ATCC 25923 (SA) biofilms. Shown here is the eDNA yield from 3-day old PA (left) and SA (right) biofilms after treatment with PHMG-Cl (n = 3). Statistical differences are determined between treatments and the water-treated positive controls for each of the PA and SA biofilms; * p < 0.05, ** p < 0.01, and *** p < 0.005.
