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. 2013 Jan 28;4(3):260–270. doi: 10.4161/viru.23560

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Figure 5. Analysis of supernatants from the biofilm-detachment assay by HPAEC-PAD-ESI-MS. Online detection by ESI-MS revealed the presence of N-acetylglucosamine (arrowhead) after treatment with dispersin B, but not after treatment with lysostaphin, DNase I or lysozyme (1,000 µg/mL of each enzyme). An unidentified peak (asterisk) appeared after DNase I treatment. A 50 µM N-acetylglucosamine solution was used as control.