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Characterization and Phytotoxicity of Zn, Zn Oxide Nanoparticles  

Kim, Sung-Hyun (Division of EcoScience, Ewha Womans University)
Baek, Ju-Hyung (Division of EcoScience, Ewha Womans University)
Song, Yi-Reh (Division of EcoScience, Ewha Womans University)
Sin, Min-Joo (Department of LifeScience, Ewha Womans University)
Lee, In-Sook (Division of EcoScience, Ewha Womans University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.31, no.12, 2009 , pp. 1129-1134 More about this Journal
Abstract
Increasing application of nanotechnology highlights the need to clarify nanotoxity and nanoparticles characterization. However, few researches have focused on phytotoxicity of nanoparticles. This study was to examine phytotoxicity on Cumumis sativus seedling and the dissolution of Zn, ZnO nanoparticles in hydroponic culture system. Results of this study; characteristics of Zn, ZnO nanoparticles are more aggregated in nutrient solution than deionized water. C. sativus biomass significantly reduced in the nutrient solution were higher than 100 mg/L, and Zn toxicity showed $Zn^{2+}$> Zn> ZnO NPs. Results of transmission electron microscopy images, Zn and ZnO nanoparticles greatly adhered onto the root cell wall and nanoparticles were observed in the root cell.
Keywords
Plant toxicity; Zn nano particles; ZnO nano particles; Characteristics of nano particles;
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Times Cited By KSCI : 1  (Citation Analysis)
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