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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Distinct transcriptomic responses of Caenorhabditis elegans to pristine and sulfidized silver nanoparticles.
Daniel L. Starnes,Stuart S. Lichtenberg,Jason M. Unrine,Catherine P. Starnes,Emily K. Oostveen,Gregory V. Lowry,Paul M. Bertsch,Olga V. Tsyusko,Olga V. Tsyusko +8 more
TL;DR: Gene ontology enrichment analysis revealed that Ag-MNP and sAg-M NP had distinct toxicity mechanisms and did not share any of the biological processes, suggesting that effects from Ag- MNP is partially due to dissolved silver ions.
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A Review of Metal and Metal-Oxide Nanoparticle Coating Technologies to Inhibit Agglomeration and Increase Bioactivity for Agricultural Applications
TL;DR: In this article, the surface functionalization of metal and metal-oxide nanoparticles to inhibit aggregation and preserve smaller agglomerate sizes for enhanced transport to the rooting zone and improved uptake in plants is reviewed.
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Evidence that Soil Properties and Organic Coating Drive the Phytoavailability of Cerium Oxide Nanoparticles.
Clément Layet,Clément Layet,Mélanie Auffan,Mélanie Auffan,Catherine Santaella,Claire Chevassus-Rosset,Mélanie Montes,Philippe Ortet,Mohamed Barakat,Blanche Collin,Blanche Collin,Samuel Legros,Matthieu Bravin,Bernard Angeletti,Isabelle Kieffer,Olivier Proux,Jean-Louis Hazemann,Emmanuel Doelsch +17 more
TL;DR: The ISO-standardized RHIZOtest demonstrated that the species of plant did not drive the phytoavailability, and provided evidence for soil-plant transfers at concentrations lower than those usually cited in the literature and closer to predicted environmental concentrations.
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Effects of sublethal doses of silver nanoparticles on Bacillus subtilis planktonic and sessile cells.
M. Gambino,Valeria Marzano,Federica Villa,Alberto Vitali,Candida Vannini,Paolo Landini,Francesca Cappitelli +6 more
TL;DR: The effects of Ag‐NPs on the soil bacteria Azotobacter vinelandii and Bacillus subtilis are described, which might affect plant growth‐promoting rhizobacteria and, in turn, the plants.
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The effect of soil properties on the toxicity and bioaccumulation of Ag nanoparticles and Ag ions in Enchytraeus crypticus.
TL;DR: It is indicated that the bioavailability of both ionic and nanoparticulate Ag is mainly affected by soil organic carbon, with little effect of soil pH.
References
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A study of the nucleation and growth processes in the synthesis of colloidal gold
TL;DR: In this paper, a preliminary survey with the electron microscope of various preparations of colloidal gold, a study was made of the process of nucleation and growth in gold colloids, and it was shown that nucleating agents may be identified with reducing agents which form a mixed polymer with chlorauric ion before the reduction to the nucleus takes place.
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Analysis of Macromolecular Polydispersity in Intensity Correlation Spectroscopy: The Method of Cumulants
TL;DR: The first order electric field correlation function of laser light scattered by polydisperse solutions of macromolecules can be written as a sum or distribution of exponentials, with decay rates proportional to the diffusion coefficients of the solute molecules as discussed by the authors.
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Modeled Environmental Concentrations of Engineered Nanomaterials (TiO2, ZnO, Ag, CNT, Fullerenes) for Different Regions
TL;DR: The results of this study indicate that risks to aquatic organisms may currently emanate from nano- Ag, nano-TiO(2), and nano-ZnO in sewage treatment effluents for all considered regions and for nano-Ag in surface waters.
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Nanoparticle Silver Released into Water from Commercially Available Sock Fabrics
Troy M. Benn,Paul Westerhoff +1 more
TL;DR: Variable leaching rates among sock types suggests that the sock manufacturing process may control the release of silver, and physical separation and ion selective electrode (ISE) analyses suggest that both colloidal and ionic silver leach from the socks.