Particle-specific toxicity and bioavailability of cerium oxide (CeO2) nanoparticles to Arabidopsis thaliana
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- 作者：Xinping Yanga ; Haopeng Pana ; Peng Wanga ; b ; p.wang3@uq.edu.au" class="auth_mail" title="E-mail the corresponding author ; Fang-Jie Zhaoa ; c
- 关键词：Arabidopsis thaliana ; CeO2 ; Nanoparticles ; Uptake ; Toxicity ; Translocation
- 刊名：Journal of Hazardous Materials
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：322
- 期：part_PA
- 页码：292-300
- 全文大小：2737 K
文摘
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The phytotoxicity and uptake of CeO2 NPs were examined in Arabidopsis.
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CeO2 NPs stimulated plant growth at low doses but were toxic at high doses.
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The toxicity was due to the NPs per se, rather than from the dissolved Ce ions.
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A similar up-translocation factor was found for CeO2 NPs, bulk CeO2 and Ce ions.