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Environmental Science: Nano Vol - 3 Issue - 2

Environmental Science: Nano Vol - 3 Issue - 1

Environmental Science: Nano Vol -2

Environmental Science: Nano Vol -1

Organic matter and iron oxide nanoparticles: aggregation, interactions, and reactivity

Content Provider	Royal Society of Chemistry (RSC)
Author	Arnold, William A. Vindedahl, Amanda M. Penn, R. Lee Strehlau, Jennifer H.
Copyright Year	2016
Abstract	Understanding the fate and transport of engineered and naturally-occurring nanoparticles is vital to predicting their ecological and toxicological impacts. Much of the current literature details the effects of solution conditions, such as pH and ionic strength, on aggregation and reactivity. Such work has drastically improved our ability to predict how nanoparticles could impact chemistry occurring in natural waters. Recently, a focus on how organic matter (OM) impacts chemistry occurring at the solid–liquid interface has emerged. This review focuses on summarizing major findings of how OM affects iron oxide nanoparticle reactivity, with particular focus on the underlying processes. First, we review work focused on the chemical reactivity of iron oxide nanoparticles in aqueous environments. Second, the current state of knowledge regarding the adsorption of OM onto mineral surfaces and its effects on nanoparticle aggregation and ion adsorption is presented. Third, how OM impacts chemical and solid-state transformations, oxidative/reductive reactivity, and photocatalytic activity of iron oxide nanoparticles is reviewed. Finally, we provide our vision of future research directions, with particular focus on improving our ability to predict the fate, transport, and chemical behavior of nanoparticles in complex, environmental systems.
Starting Page	494
Ending Page	505
Page Count	12
File Format	HTM / HTML PDF
ISSN	20518153
Volume Number	3
Issue Number	3
Journal	Environmental Science: Nano
DOI	10.1039/c5en00215j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	OM Current Literature PH Ionic strength Chemistry Iron oxide Nanoparticle Adsorption Mineral Ion
Content Type	Text
Resource Type	Article
Subject	Environmental Science Materials Science

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