The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Evidence of Translocation and Physiological Impacts of Foliar Applied CeO2 Nanoparticles on Cucumber (Cucumis sativus) Plants
Abstract
Currently, most of the nanotoxicity studies in plants involve exposure to the nanoparticles (NPs) through the roots. However, plants interact with atmospheric NPs through the leaves, and our knowledge on their response to this contact is limited. In this study, hydroponically grown cucumber (Cucumis sativus) plants were aerially treated either with nano ceria powder (nCeO2) at 0.98 and 2.94 g/m(3) or suspensions at 20, 40, 80, 160, and 320 mg/L. Fifteen days after treatment, plants were analyzed for Ce uptake by using ICP-OES and TEM. In addition, the activity of three stress enzymes was measured. The ICP-OES results showed Ce in all tissues of the CeO2 NP treated plants, suggesting uptake through the leaves and translocation to the other plant parts. The TEM results showed the presence of Ce in roots, which corroborates the ICP-OES results. The biochemical assays showed that catalase activity increased in roots and ascorbate peroxidase activity decreased in leaves. Our findings show that atmospheric NPs can be taken up and distributed within plant tissues, which could represent a threat for environmental and human health.
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Cites
Hydrogen Peroxide is Scavenged by Ascorbate-specific Peroxidase in Spinach Chloroplasts
Nakano, Y., & Asada, K. (1981) · Plant and Cell Physiology · doi:10.1093/oxfordjournals.pcp.a076232 · Cited by 10,809
Cited by
Schwab, F., Zhai, G., Kern, M., Turner, A., Schnoor, J. L., & Wiesner, M. R. (2016) · Nanotoxicology · doi:10.3109/17435390.2015.1048326 · Cited by 872
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
Avellan, A., Yun, J., Morais, B. P., Clement, E. T., Rodrigues, S. M., & Lowry, G. V. (2021) · Environmental Science & Technology · doi:10.1021/acs.est.1c00178 · Cited by 412
Du, W., Tan, W., Peralta-Videa, J. R., Gardea-Torresdey, J. L., Ji, R., Yin, Y., & Guo, H. (2017) · Plant Physiology and Biochemistry · doi:10.1016/j.plaphy.2016.04.024 · Cited by 308
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Metadata
- Authors
- Hong, J., Peralta-Videa, J. R., Rico, C., Sahi, S., Viveros, M. N., Bartonjo, J., Zhao, L., & Gardea-Torresdey, J. L.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-03-24
- Volume
- 48
- Issue
- 8
- Pages
- 4376-4385
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2322969122
- Cited by
- 314
- References
- 1
- FWCI
- 9.68
- Type
- journal article
- Language
- en
- Open access
- closed
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