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Characterization of coatings. (A) and (B) microscopy images of balloon catheters coated with Coumarin-6 dye (green) loaded NPs, (C) SEM image of uncoated angioplasty balloons, (D) SEM image of angioplasty balloon coated with NPs via dip coating, (E) SEM image of angioplasty balloons coated with NPs via the LbL coating method, and (F) SEM image of angioplasty balloons coated with NPs via the hydrogel coating technique. UPE NPs were used in these images.
