图4.

受Ag，Au和Pt纳米粒子影响的Oakleaf莴苣幼苗的总抗氧化能力施用于不同浓度的叶片作为含水胶体溶液。用去离子水喷涂对照植物。*表示显着差异（P. ≤ 0.05) between particular nanometal and unexposed control, means for concentration of given nanometal with no letters are not significantly different atP. ≤ 0.05, comparisons were performed by Fisher’s LSD test. Bars represent standard deviations (± SD)