Different Uptake of Metal Dioxide Nanoparticles (Ceria Nanoparticles, Zirconia Nanoparticles and Silica Nanoparticles) by Wheat
- 81 Downloads
Metal dioxide nanoparticles (NPs) are produced in ever-increasing amounts and widely used in industrial, medical and consumer products. They may pose potential risks to the environment. In this study we quantitatively evaluated the phytoavailability of CeO2NPs, ZrO2NPs and SiO2NPs to wheat (Triticum aestivum L.). Metal dioxide NPs showed distinct differences in uptake, with uptake rate constants of 90.2 ± 9.9, 12.2 ± 2.5, 0.4 ± 0.02 and 0.9 ± 0.1 L kg−1 h−1 for ZrO2NPs, CeO2NPs, SiO2NPs (13 nm) and SiO2NPs (25 nm), respectively. However, such difference cannot be generalized by single factor of NP characteristics and/or root damage. This study provides fundamental information for NP uptake by crop plants.
KeywordsMetal dioxide nanoparticles Uptake NP characteristics Root damage Factor analysis
We thank the National Natural Science Foundation of China (Grant Nos. 41430752 and 41671484).
- Antisari LV, Carbone S, Gatti A, Vianello G, Nannipieri P (2015) Uptake and translocation of metals and nutrients in tomato grown in soil polluted with metal oxide (CeO2, Fe3O4, SnO2, TiO2) or metallic (Ag Co, Ni) engineered nanoparticles. Environ Sci Pollut Res 22:1841–1853. https://doi.org/10.1007/s11356-014-3509-0 CrossRefGoogle Scholar
- Dan Y, Zhang W, Xue R, Ma X, Stephan C, Shi H (2015) Characterization of gold nanoparticle uptake by tomato plants using enzymatic extraction followed by single-particle inductively coupled plasma-mass spectrometry analysis. Environ Sci Technol 49:3007–3014. https://doi.org/10.1021/es506179e CrossRefGoogle Scholar
- Wang Q, Li M, Wang R, Song Y, Dang F, Zhou D (2018) The uptake and toxicity of silver nanoparticles to wheat China. Environ Sci 38:1149–1156Google Scholar