Fig. 1From: Gold nanoparticle clusters for the investigation of therapeutic efficiency against prostate cancer under near-infrared irradiationSize and shape confirmation of each Au nanoparticle. a TEM images of AuNP, AuNC and AuNC@SiO2. The size of scale bars is 50 nm. b Particle size distribution histograms of AuNP, AuNC, and AuNC@SiO2, from the upper to lower right. Each DLS data point is an average of 15 scansBack to article page