Effects of Engineered Nanomaterials on Plants Growth: An Overview
Figure 9
Scanning electron microscope images for NPs/lettuce seeds. In the aqueous phase, the SEM image shows that metal oxide NPs (TiO2 NPs 1000 mgL−1) (a) and (CuO NPs 1000 mgL−1) were adsorbed on the seed surface (b) [30].
