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Effect of surface coating and organic matter on the uptake of CeO2 NPs by corn plants grown in soil: Insight into the uptake mechanism
Open accessAbstract
Little is known about the fate, transport, and bioavailability of CeO2 nanoparticles (NPs) in soil. Moreover, there are no reports on the effect of surface coating upon NPs uptake by plants. In this study, Zea mays plants were grown for one month in unenriched and organic soils treated with coated and uncoated CeO2 NPs. In addition, plants were exposed to fluorescein isothiocyanate (FITC)-stained CeO2 NPs and analyzed in a confocal microscope. In organic soil, roots from uncoated and coated NPs at 100, 200, 400, and 800 mg kg−1 had 40, 80, 130, and 260% and 10, 70, 90, and 40% more Ce, respectively, compared to roots from unenriched soil. Conversely, shoots of plants from unenriched soil had significantly more Ce compared with shoots from organic soil. Confocal fluorescence images showed FITC-stained CeO2 NP aggregates in cell walls of epidermis and cortex, suggesting apoplastic pathway. The μXRF results revealed the presence of CeO2 NP aggregates within vascular tissues. To the authors knowledge this is the first report on the effects of surface coating and organic matter on Ce uptake from CeO2 NPs and upon the mechanisms of CeO2 NPs uptake by higher plants
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Limbach, L. K., Li, Y., Grass, R. N., Brunner, T. J., Hintermann, M. A., Muller, M., Gunther, D., & Stark, W. J. (2005) · Environmental Science & Technology · doi:10.1021/es051043o · Cited by 779
Solid−Solution Speciation and Phytoavailability of Copper and Zinc in Soils
Krishnamurti, G. S. R., & Naidu, R. (2002) · Environmental Science & Technology · doi:10.1021/es001601t · Cited by 134
Cited by
Nanoparticles in Plants: Uptake, Transport and Physiological Activity in Leaf and Root
Wang, X., Xie, H., Wang, P., & Yin, H. (2023) · Materials · doi:10.3390/ma16083097 · Cited by 518
Effects of Magnetite Nanoparticles on Soybean Chlorophyll
Ghafariyan, M. H., Malakouti, M. J., Dadpour, M. R., Stroeve, P., & Mahmoudi, M. (2013) · Environmental Science & Technology · doi:10.1021/es402249b · Cited by 401
Rico, C. M., Hong, J., Morales, M. I., Zhao, L., Barrios, A. C., Zhang, J.-Y., Peralta-Videa, J. R., & Gardea-Torresdey, J. L. (2013) · Environmental Science & Technology · doi:10.1021/es401032m · Cited by 342
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Metadata
- Authors
- Zhao, L., Peralta-Videa, J. R., Varela-Ramirez, A., Castillo-Michel, H., Li, C., Zhang, J., Aguilera, R. J., Keller, A. A., & Gardea-Torresdey, J. L.
- Venue
- Journal of Hazardous Materials
- Publisher
- Elsevier BV
- Published
- 2012-07
- Volume
- 225-226
- Pages
- 131-138
- ISSN
- 0304-3894 (ISSN-L)
- OpenAlex
- W2051488219
- Cited by
- 267
- References
- 2
- FWCI
- 7.67
- Type
- journal article
- Language
- en
- Open access
- green
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- Zhao, L., Peralta-Videa, J. R., Varela-Ramirez, A., Castillo-Michel, H., Li, C., Zhang, J., Aguilera, R. J., Keller, A. A., & Gardea-Torresdey, J. L. (2012). Effect of surface coating and organic matter on the uptake of CeO2 NPs by corn plants grown in soil: Insight into the uptake mechanism. Journal of Hazardous Materials. https://doi.org/10.1016/j.jhazmat.2012.05.008
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