One-Pot, Surfactant-Free Synthesis of Gold Nanostars and Evaluation of Their Antibacterial Effects against Propionibacterium acnes

Figure 4

UV-Vis spectra of GNS prepared in various CS concentrations: (a) 0.0125%; (b) 0.025%; (c) 0.05%; (d) 0.1%; (e) 0.2%.