Fig. 7From: Size selectivity in antibiofilm activity of 3-(diphenylphosphino)propanoic acid coated gold nanomaterials against Gram-positive Staphylococcus aureus and Streptococcus mutans AFM topographic images of S. mutans biofilms; a biofilm untreated; b Au-LPa small treated; c Au-LPa large treated; d gold nanomaterials large control treated; e gold nanomaterials small control treated; f LPa alone treatedBack to article page