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. Author manuscript; available in PMC: 2010 Jun 8.
Published in final edited form as: Biomacromolecules. 2009 Jun 8;10(6):1564–1574. doi: 10.1021/bm9001552

Figure 6.

Figure 6

Images of Congo red-stained (a) bare glass and (b,c) film-coated glass substrates after incubation under static conditions in the presence or absence of P. aeruginosa for 48 hours. Images show relative levels of biofilm-related exopolysaccharide (EPS) matrices on the surfaces of glass slides (e.g., 10 mm × 30 mm) coated with (a) no film (bare glass), (b) a PEI/PVDMA film treated with decylamine, and (c) a PEI/PVDMA film treated with glucamine. Substrates marked with a (−) denote samples grown in the absence of bacteria (media only) used as negative controls.