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Three-dimensional reconstructions of E. coli membranes compare untreated (A) relative to the degradation sustained after 6 h NO-release from a xerogel surface (B). Treatment with sub-bactericidal PROLI/NO concentrations of 1 mg mL−1 (C) and 2 mg mL−1 (D) show more extensive damage only 2 h after exposure. Note the difference in scale range.
