A framework to measure the availability of engineered nanoparticles in soils: Trends in soil tests and analytical tools
authors Rodrigues, SM; Trindade, T; Duarte, AC; Pereira, E; Koopmans, GF; Romkens, PFAM
nationality International
journal TRAC-TRENDS IN ANALYTICAL CHEMISTRY
author keywords Metal-based nanoparticles; Availability; Detection; Extraction; Analysis
keywords FIELD-FLOW FRACTIONATION; NATURAL ORGANIC-MATTER; POTENTIALLY TOXIC ELEMENTS; ZINC-OXIDE NANOPARTICLES; SILVER NANOPARTICLES; AU NANOPARTICLES; FOOD-CHAIN; NANOMATERIALS; DISSOLUTION; PH
abstract In this study, the reactions of engineered nanoparticles (ENPs) in soils, with respect to their nanospecific properties, and observed effects of key soil properties (e.g. pH, ionic strength and natural colloids) on their stability in pore water are discussed. Key processes include aggregation and dissolution of ENPs, straining of ENPs in the solid matrix, stabilization of ENPs in pore water due to binding of molecules from dissolved organic matter (DOM) and inorganic colloids and the effect of artificial coatings. In view of these processes, this study provides guidance in the development of a framework to measure available and total soil contents of ENPs, via a set of extraction methods and advanced analytical tools. Particularly, the lack of effective extraction methods is thoroughly discussed regarding the identification of most relevant research gaps preventing an effective assessment of the availability, mobility and risks of exposure of sensitive receptors to ENPs in soils. (C) 2015 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCI LTD
issn 0165-9936
year published 2016
volume 75
beginning page 129
ending page 140
digital object identifier (doi) 10.1016/j.trac.2015.07.003
web of science category Chemistry, Analytical
subject category Chemistry
unique article identifier WOS:000369201000012
  ciceco authors
  impact metrics
times cited (wos core): 7
journal impact factor (jcr 2016): 8.442
5 year journal impact factor (jcr 2016): 7.929
category normalized journal impact factor percentile (jcr 2016): 99.342
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