Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 498231
Title A framework to measure the availability of engineered nanoparticles in soils : Trends in soil tests and analytical tools
Author(s) Rodrigues, S.M.; Trindade, T.; Duarte, A.C.; Pereira, E.; Koopmans, G.F.; Römkens, P.F.A.M.
Source TrAC : Trends in Analytical Chemistry 75 (2016). - ISSN 0165-9936 - p. 129 - 140.
DOI http://dx.doi.org/10.1016/j.trac.2015.07.003
Department(s) Chair Soil Chemistry and Chemical Soil Quality
WIMEK
Alterra - Sustainable soil management
Publication type Refereed Article in a scientific journal
Publication year 2016
Keyword(s) Analysis - Availability - Detection - Extraction - Metal-based nanoparticles
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.

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