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Toxicological effects involved in risk assessment of rare earth lanthanum on roots of Vicia faba L. seedlings |
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| Authors: | Chengrun Wang Mei He Wen Shi Jessie Wong Tao Cheng Xiaorong Wang Lingling Hu and Fenfen Chen |
| Institution: | 1. School of Life Science, Huainan Normal University, Huainan 232001, China 2. Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON, N6A5B9, Canada 3. Department of Biology, University of Western Ontario, London, ON, N6A5B9, Canada 4. State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210046, China |
| Abstract: | Combined chemical analyses and biological measurements were utilized to investigate potential toxicological effects and possible mechanisms involved in risk assessment of rare earth elements (REEs) on Vicia faba L.seedlings,which were hydroponically cultivated and exposed to various concentrations of lanthanum (La) for 15 days.The results showed that La contents in both the solution and roots increased with the increase of extraneous La,contributing to hormetic dose responses of superoxide dismutase (SOD),c... |
| Keywords: | rare earth elements lanthanum heat shock protein 70 oxidatively modified proteins isoenzymes hormesis risk assessment |
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