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SEM images show the morphology of pristine catheter (A), PDA coated catheter (B), PDA/AgNPs coated catheters at 5 and 10 mg ml−1 of AgNO3 (C and D). Mean particle diameter of AgNPs (E). The inset images represent the same sample at higher magnification and EDX analysis represents PDA and PDA/AgNPs coated catheters.
