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Fig. 3 | Antimicrobial Resistance & Infection Control

Fig. 3

From: Morphological bactericidal fast-acting effects of peracetic acid, a high-level disinfectant, against Staphylococcus aureus and Pseudomonas aeruginosa biofilms in tubing

Fig. 3

Scanning electron photomicrographs: Staphylococcus aureus 209P (top) and Pseudomonas aeruginosa E7 (bottom) biofilm in tubing: (a, e) before treatment, (b, f) after a 5-min and (c, g) 30-min treatment with peracetic acid (PAA), and (d, h) after a 30-min treatment with glutaraldehyde (GA). Compared with GA, treatment with PAA resulted in gradual reduction in bacterial internal pressure, followed by destruction of mashed cell surfaces (S. aureus), reduced bacterial aggregation, and decreases in biofilm matrix components (P. aeruginosa)

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