Fig. 2From: Nanoscale engineering of gold nanostars for enhanced photoacoustic imagingGeometrical analysis of AuNS synthesized with HEPES, EPPS or MOPS. Distributions of (a) Feret diameter, (b) core size, (c) numbers of branches, (d) branch length, (e) branch middle width and (f) branch aspect ratio of AuNSBack to article page