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Phytotoxicity and accumulation of copper oxide nanoparticles to the Cu-tolerant plant Elsholtzia splendens
Shi, JY; Peng, C; Yang, YQ; Yang, JJ; Zhang, H; Yuan, XF; Chen, YX; Hu, TD;胡天斗
2014
发表期刊NANOTOXICOLOGY
卷号8期号:2页码:179-188
摘要The release of nanoparticles (NPs) to the environment poses an increasing potential threat to biological systems. This study investigated the phytotoxicity and accumulation of copper oxide (CuO) NPs to Elsholtzia splendens (a Cu-tolerant plant) under hydroponic conditions. The 50% effective concentration (EC50) of CuO NPs to E. splendens was about 480 mg/L, implying the tolerance of E. splendens to CuO NPs. The Cu content in the shoots treated with 1000 mg/L CuO NPs was much higher than those exposed to the comparable 0.5 mg/L soluble Cu and CuO bulk particles. CuO NPs-like deposits were found in the root cells and leaf cells. Cu K-edge X-ray absorption near-edge structure analysis further revealed that the accumulated Cu species existed predominantly as CuO NPs in the plant tissues. All these results suggested that CuO NPs can be absorbed by the roots and translocated to the shoots in E. splendens.
关键词CuO NPs toxicity dissolution tolerant translocation
学科领域Science & Technology - Other Topics; Toxicology
DOI10.3109/17435390.2013.766768
收录类别SCI
WOS记录号WOS:000328124400006
引用统计
被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225203
专题多学科研究中心
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GB/T 7714
Shi, JY,Peng, C,Yang, YQ,et al. Phytotoxicity and accumulation of copper oxide nanoparticles to the Cu-tolerant plant Elsholtzia splendens[J]. NANOTOXICOLOGY,2014,8(2):179-188.
APA Shi, JY.,Peng, C.,Yang, YQ.,Yang, JJ.,Zhang, H.,...&Hu, TD;胡天斗.(2014).Phytotoxicity and accumulation of copper oxide nanoparticles to the Cu-tolerant plant Elsholtzia splendens.NANOTOXICOLOGY,8(2),179-188.
MLA Shi, JY,et al."Phytotoxicity and accumulation of copper oxide nanoparticles to the Cu-tolerant plant Elsholtzia splendens".NANOTOXICOLOGY 8.2(2014):179-188.
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