Fig. 2From: Elucidating the phytotoxicity thresholds of various biosynthesized nanoparticles on physical and biochemical attributes of cottonSEM (scanning electron microscope) of zinc oxide nanoparticles (A–D), iron oxide nanoparticles (E–H), copper nanoparticles (I–L), and silver nanoparticles (M–P)Back to article page