Environmental Science and Pollution Research, ( ISI ), Year (2015-3) , Pages (1-13)

Title : ( Long-term exposure of rapeseed (Brassica napus L.) to ZnO nanoparticles: anatomical and ultrastructural responses )

Authors: Seyed Mousa Mousavi Kouhi , Mehrdad Lahouti , Ali Ganjeali , Mohammad Hassan Entezari ,

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Rapid development of nanotechnology in recent years has raised concerns about nanoparticle (NPs) release into the environment and its adverse effects on living organisms. The present study is the first comprehensive report on the anatomical and ultrastructural changes of a variety of cells after long-term exposure of plant to NPs or bulk material particles (BPs). Light and electron microscopy revealed some anatomical and ultrastructural modifications of the different types of cell in the root and leaf, induced by both types of treatment. Zinc oxide (ZnO) BPs-induced modifications were surprisingly more than those induced by ZnO NPs. The modifications induced by ZnO BPs or ZnO NPs were almost similar to those induced by excess Zn. Zn content of the root and leaf of both ZnO NPs- and ZnO BPs-treated plants was severely increased, where the increase was greater in the plants treated with ZnO BPs. Overall, these results indicate that the modifications induced by ZnO particles can be attributed, at least partly, to the Zn 2+ dissolution by ZnO particles rather than their absorption by root and their ubsequent effects.

Keywords

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@article{paperid:1047852,
author = {Mousavi Kouhi, Seyed Mousa and Lahouti, Mehrdad and Ganjeali, Ali and Entezari, Mohammad Hassan},
title = {Long-term exposure of rapeseed (Brassica napus L.) to ZnO nanoparticles: anatomical and ultrastructural responses},
journal = {Environmental Science and Pollution Research},
year = {2015},
month = {March},
issn = {0944-1344},
pages = {1--13},
numpages = {12},
keywords = {nanoparticle},
}

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%0 Journal Article
%T Long-term exposure of rapeseed (Brassica napus L.) to ZnO nanoparticles: anatomical and ultrastructural responses
%A Mousavi Kouhi, Seyed Mousa
%A Lahouti, Mehrdad
%A Ganjeali, Ali
%A Entezari, Mohammad Hassan
%J Environmental Science and Pollution Research
%@ 0944-1344
%D 2015

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