Fig. 1
From: Influence of biopolymer based gold nanoparticles and photobiomodulation in in vitro wound healing

Synthesis and physicochemical characterization of GT-GNPs. [a] Photographic images of GT-GNPs [i] Initial hours (0 h), and [ii] final hours (4 h at 65 °C, 150 rpm stirring); [b] UV–vis spectrophotometry study of GT, Gold solution, and GT-GNPs, [c] Zeta potential analysis of GT-GNPs, [d] Particle size analysis of GT-GNPs, [e] XRD pattern of GT and GT-GNPs, and [f] FTIR results Gold (blue line), GT (black line) and GT-GNPs (red line).