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SEM images of coated and uncoated PLGA scaffolds. Images show conformal coating of substrate with layer-by-layer (LbL) film deposition on both sides of implant. A) uncoated PLGA; B) PLGA coated with Integrated Barrier LbL film; C) Cross-section of coated PLGA showing Integrated Barrier LbL film (indicated with arrows); D) PLGA coated with No Barrier LbL film; E) Cross-section of coated PLGA showing No Barrier LbL film (indicated with arrows).
