Fig. 3From: Comparative physiological and metabolomic analyses reveal that Fe3O4 and ZnO nanoparticles alleviate Cd toxicity in tobaccoDifferentially accumulated metabolites among various treatments. DAMs in roots and leaves under different treatments (a). Heat maps of the detected metabolites in the roots (b) and leaves (c), respectively. Top 20 enriched DAMs in the roots (d) and leaves (e)Back to article page