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Table 3 Content of Ag, Au, Pt (ppb in extracts) in oakleaf lettuce seedlings depending on engineered nanoparticles (nano-metals; M-NPs) applied on the leaves in different concentrations as aqueous colloidal solutions. Control plants were sprayed with deionized water

From:Impact of foliar application of some metal nanoparticles on antioxidant system in oakleaf lettuce seedlings

M-NPs and concentration Elements content
Ag
Control 0.007 ± 0.003
Ag 20 ppm 0.799 ± 0.182 *
Ag 40 ppm 0.966 ± 0.124 *
Au
Control 0.022 ± 0.005
Au 10 ppm 0.428 ± 0.127 *
Au 20 ppm 0.508 ± 0.044 *
Pt
Control 0.001 ± 0.000
Pt 20 ppm 0.070 ± 0.016 *
Pt 40 ppm 0.095 ± 0.025 *
  1. *Denotes significant differences (p ≤ 0.05) between particular nanometal and unexposed control, means for concentration of given nanometal with no letters are not significantly different are significantly different atp ≤ 0.05, comparisons were performed by Fisher’s LSD test. Each value represents the mean ± SD
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BMC Plant Biology

ISSN: 1471 - 2229

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