Fig. 1
From: Effects of the biogenic gold nanoparticles on microbial community structure and activities
UV–vis spectrum of the gold nanoparticles synthesized by the reacting of biomass of S. rimosus with gold ions; the inset shows the colour of the biomass after incubation with gold ions (a); EDS profile of the gold nanoparticles (b); the representative TEM image of the gold nanoparticles synthesized by the reacting of biomass with gold ions (c); histogram of the gold nanoparticles size distribution obtained from TEM (d)