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Toxicity of ZnO and TiO2 Nanoparticles on Germinating Rice Seed
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2011 (English)In: International Journal of Bioscience, Biochemistry and Bioinformatics, ISSN 2010-3638, Vol. 1, 282-285 p.Article in journal (Refereed) Published
Abstract [en]

The present study is aimed at investigating the effects of zinc oxide nanoparticles (nano-ZnO) and titanium dioxide nanoparticles (nano-TiO2) on rice (Oryza sativa L.) roots. Three parameters are examined in this study: seed germination percentage, root length, and number of roots. The results show that there is no reduction in the percent seed germination from both nanoparticles, however nano-ZnO is observed to have detrimental effects on rice roots at early seedling stage. Nano-ZnO is found to stunt roots length and reduce number of roots. Whereas nano-TiO2 has no effect on root length. This study shows that direct exposure to specific types of nanoparticles causes significant phytotoxicity, emphasizes the need for ecologically responsible disposal of wastes containing nanoparticles and also highlights the necessity for further study on the impacts of nanoparticles on agricultural and environmental systems.

Place, publisher, year, edition, pages
International Association of Computer Science & Information Technology Press , 2011. Vol. 1, 282-285 p.
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Nano Technology
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URN: urn:nbn:se:kth:diva-176570DOI: 10.7763/IJBBB.2011.V1.53OAI: oai:DiVA.org:kth-176570DiVA: diva2:918205
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QC 20160414

Available from: 2016-04-11 Created: 2015-11-07 Last updated: 2016-04-14Bibliographically approved

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Dutta, Joydeep
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