Fig. 4From: Round-shape gold nanoparticles: effect of particle size and concentration on Arabidopsis thaliana root growthEffect of different concentrations of 10 nm AuNPs on root hair growth in A. thaliana seedlings. a Control, b–d seedlings treated with 1, 10, and 100 mg/L of AuNPs, respectively, and e detail of induced root hair growth in plant exposed to 100 mg/L of AuNPs. The scale bars correspond to 1 cmBack to article page