Modeling Population Exposures to Silver Nanoparticles Present in Consumer Products

Journal of Nanoparticle Research : an Interdisciplinary Forum for Nanoscale Science and Technology
Steven G RoycePanos G Georgopoulos

Abstract

Exposures of the general population to manufactured nanoparticles (MNPs) are expected to keep rising due to increasing use of MNPs in common consumer products (PEN 2014). The present study focuses on characterizing ambient and indoor population exposures to silver MNPs (nAg). For situations where detailed, case-specific exposure-related data are not available, as in the present study, a novel tiered modeling system, Prioritization/Ranking of Toxic Exposures with GIS (Geographic Information System) Extension (PRoTEGE), has been developed: it employs a product Life Cycle Analysis (LCA) approach coupled with basic human Life Stage Analysis (LSA) to characterize potential exposures to chemicals of current and emerging concern. The PRoTEGE system has been implemented for ambient and indoor environments, utilizing available MNP production, usage, and properties databases, along with laboratory measurements of potential personal exposures from consumer spray products containing nAg. Modeling of environmental and microenvironmental levels of MNPs employs Probabilistic Material Flow Analysis combined with product LCA to account for releases during manufacturing, transport, usage, disposal, etc. Human exposure and dose characterization f...Continue Reading

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Citations

Aug 5, 2015·Nanomaterials·Dwaipayan MukherjeePanos Georgopoulos
Oct 2, 2015·Beilstein Journal of Nanotechnology·Marina E VanceMatthew S Hull
Sep 3, 2020·Beilstein Journal of Nanotechnology·Dinesh RotakeNitin Kale
Jun 10, 2020·Environmental Science and Pollution Research International·Conor Francis McGee
Dec 1, 2018·Journal of Nanoparticle Research : an Interdisciplinary Forum for Nanoscale Science and Technology·Leonardo CalderónGediminas Mainelis

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