Journal ArticleDOI
Behavior of Ag nanoparticles in soil: Effects of particle surface coating, aging and sewage sludge amendment
Annie R. Whitley,Clément Levard,Clément Levard,Emily Oostveen,Emily Oostveen,Paul M. Bertsch,Paul M. Bertsch,Chris Matocha,Frank von der Kammer,Jason M. Unrine,Jason M. Unrine +10 more
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TLDR
It is suggested that Ag MNP coating does not need to be taken into account to understand fate of AgMNPs applied to soil through biosolids amendment, because pre-incubation with sewage sludge negated these effects.About:
This article is published in Environmental Pollution.The article was published on 2013-11-01. It has received 131 citations till now. The article focuses on the topics: Sludge & Biosolids.read more
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Potential Health Impact of Environmentally Released Micro- and Nanoplastics in the Human Food Production Chain: Experiences from Nanotoxicology
TL;DR: This review assesses the current literature on the occurrence of environmentally released micro- and nanoplastics in the human food production chain and their potential health impact and discusses the potential use of the very sensitive analytical techniques developed for the detection and quantification of engineered nanoparticles.
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Sulfidation of silver nanoparticles: natural antidote to their toxicity.
Clément Levard,Clément Levard,Clément Levard,Ernest M. Hotze,Ernest M. Hotze,Benjamin P. Colman,Amy L. Dale,Amy L. Dale,Lisa Truong,Xinyu Yang,Audrey J. Bone,Gordon E. Brown,Robert L. Tanguay,Richard T. Di Giulio,Emily S. Bernhardt,Joel N. Meyer,Mark R. Wiesner,Gregory V. Lowry,Gregory V. Lowry +18 more
TL;DR: It is suggested that even partial sulfidation of AgNP will decrease the toxicity of AgNPs relative to their pristine counterparts, and the presence of chloride in the exposure media strongly affects the toxicity results by affecting Ag speciation.
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Fate of Zinc Oxide and Silver Nanoparticles in a Pilot Wastewater Treatment Plant and in Processed Biosolids
Rui Ma,Clément Levard,Jonathan D. Judy,Jason M. Unrine,Mark Durenkamp,Ben Martin,Bruce Jefferson,Gregory V. Lowry +7 more
TL;DR: Limited differences in Zn and Ag speciation among NP-dosed, ion-dose, and control biosolids indicate that these nanoparticles are transformed to similar chemical forms as bulk metals already entering the WWTP.
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Spot the Difference: Engineered and Natural Nanoparticles in the Environment—Release, Behavior, and Fate
TL;DR: It is the aim of this Review to critically compare naturally observed processes with those found for engineered systems to identify the "nanospecific" properties of manufactured particles and describe critical knowledge gaps relevant for the risk assessment of manufactured nanomaterials in the environment.
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Amendment of Agricultural Soil with Metal Nanoparticles: Effects on Soil Enzyme Activity and Microbial Community Composition.
Bahareh Asadishad,Shawninder Chahal,Ali Akbari,Vanessa Cianciarelli,Mehrnoosh Azodi,Subhasis Ghoshal,Nathalie Tufenkji +6 more
TL;DR: This work shows how metal ENPs can impact soil enzyme activity and microbial community composition upon introduction into soils amended with biosolids, depending on their type, concentration, and dissolution behavior, hence providing much needed information for the sustainable application of nanotechnology in agriculture.
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Journal ArticleDOI
Estimation of Cumulative Aquatic Exposure and Risk Due to Silver: Contribution of Nano-Functionalized Plastics and Textiles
TL;DR: It is indicated that PEC/PNEC ratios greater than 1 cannot be ruled out for freshwater ecosystems, in particular sediments, and no risk is predicted for microbial communities in sewage treatment plants.
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Silver nanoparticle impact on bacterial growth: effect of pH, concentration, and organic matter.
TL;DR: Solubility and interactions with SRHA indicate that there was a specific nanoparticle effect which could not be explained by the effect of dissolved Ag, and this impact on Pseudomonas fluorescens is investigated.
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Behavior of Metallic Silver Nanoparticles in a Pilot Wastewater Treatment Plant
Ralf Kaegi,Andreas Voegelin,Brian Sinnet,S. Zuleeg,Harald Hagendorfer,Michael Burkhardt,Hansruedi Siegrist +6 more
TL;DR: Results from batch experiments suggested that Ag-NP transformation to Ag(2)S occured in the nonaerated tank within less than 2 h, which must be considered in future risk assessments.
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Stability of Citrate, PVP, and PEG Coated Silver Nanoparticles in Ecotoxicology Media
TL;DR: PVP-stabilized NPs in a 10-fold diluted OECD media (chloride present) were found to be the most stable, with only small losses in total concentration over 21 days, and no shape, aggregation, or dissolution changes observed and are recommended for exposure studies.
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Discovery and Characterization of Silver Sulfide Nanoparticles in Final Sewage Sludge Products
TL;DR: This field-scale study provides for the first time nanoparticle-level information of the Ag(2)S present in sewage sludge products, and further suggests the role of wastewater treatment processes on transformation of Ag nanoparticles and ionic Ag potentially released from them.