Fig. 5From: Biological synthesis of fluorescent nanoparticles by cadmium and tellurite resistant Antarctic bacteria: exploring novel natural nanofactoriesTransmission electron microscopy of cells biosynthesyzing QDs. Ultrathin sections of Antarctic bacteria during QDs biosynthesis (cells were exposed to 50 mg/L CdCl2 for 36 h). a Pse3, b Pse8, and c Psy1. Arrows indicate bacterial endings where electron-dense nanostructures and vesicles were observedBack to article page