Abstract
Nano-iron metal and nano-iron oxides are among the most widely used engineered and naturally occurring nanostructures, and the increasing incidence of biological exposure to these nanostructures has raised concerns about their biotoxicity. Reactive oxygen species (ROS)-induced oxidative stress is one of the most accepted toxic mechanisms and, in the past decades, considerable efforts have been made to investigate the ROS-related activities of iron nanostructures. In this review, we summarize activities of nano-iron metal and nano-iron oxides in ROS-related redox processes, addressing in detail the known homogeneous and heterogeneous redox mechanisms involved in these processes, intrinsic ROS-related properties of iron nanostructures (chemical composition, particle size, and crystalline phase), and ROS-related bio-microenvironmental factors, including physiological pH and buffers, biogenic reducing agents, and other organic substances. Copyright © 2014, Food and Drug Administration, Taiwan.
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Recommended Citation
Wu, H.; Yin, J.-J.; Wamer, W.G.; Zeng, M.; and Lo, Y.M.
(2014)
"Reactive oxygen species-related activities of nano-iron metal and nano-iron oxides,"
Journal of Food and Drug Analysis: Vol. 22
:
Iss.
1
, Article 11.
Available at: https://doi.org/10.1016/j.jfda.2014.01.007
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https://www.sciencedirect.com/science/article/pii/S1021949814000088/pdfft?md5=24fa01872573172a8448e169c592d637&pid=1-s2.0-S1021949814000088-main.pdf
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