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

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Figure 7. Determination of N-acetylglucosamine release after the treatment of intact biofilms and soluble PNAG with dispersin B. Supernatants from the 24-well plate biofilm-detachment assay (A) and the reaction products obtained by digesting soluble PNAG (B) with dispersin B at the indicated concentrations were analyzed by HPAEC-PAD-ESI-MS. Chromatograms were recorded by online ESI-MS. The intensity scale in panel A is magnified 10-fold.