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.

    We have a manual that explains all the features 

Record number 494884
Title Testing single extraction methods and in vitro tests to assess the geochemical reactivity and human bioaccessibility of silver in urban soils amended with silver nanoparticles
Author(s) Cruz, N.; Rodrigues, S.M.; Tavares, D.; Monteiro, R.J.R.; Carvalho, L.; Trindade, T.; Duarte, A.C.; Pereira, E.; Romkens, Paul
Source Chemosphere 135 (2015). - ISSN 0045-6535 - p. 304 - 311.
DOI http://dx.doi.org/10.1016/j.chemosphere.2015.04.071
Department(s) Alterra - Sustainable soil management
Publication type Refereed Article in a scientific journal
Publication year 2015
Keyword(s) Bioavailability - Engineered silver nanoparticles - Geochemical reactivity - In vitro bioaccessibility - Soil pollution
Abstract

To assess if the geochemical reactivity and human bioaccessibility of silver nanoparticles (AgNPs) in soils can be determined by routine soil tests commonly applied to other metals in soil, colloidal Ag was introduced to five pots containing urban soils (equivalent to 6.8mgAgkg-1 soil). Following a 45days stabilization period, the geochemical reactivity was determined by extraction using 0.43M and 2M HNO3. The bioaccessibility of AgNPs was evaluated using the Simplified Bioaccessibility Extraction Test (SBET) the "Unified BARGE Method" (UBM), and two simulated lung fluids (modified Gamble's solution (MGS) and artificial lysosomal fluid (ALF)).The amount of Ag extracted by 0.43M and 2M HNO3 soil tests was

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