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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Book ChapterDOI
Surface Properties (Physical and Chemical) and Related Reactions: Characterization via a Multi-Technique Approach
TL;DR: In this article, the main surface properties (surface charge, adsorption, photocatalytic reactions, atomic surface structure, etc.) and how they can be modified when size decrease are discussed.
Toxicity of engineered nanomaterials to plant growth promoting rhizobacteria
TL;DR: The utility of the method for examining metal ion responses in a single species of PGPR and the toxicity of silver ENMs (AgENMs) and ions to three PGPR, B. amyloliquefaciens GB03, Sinorhizobium meliloti 2011, and Pseudomonas putida UW4 are shown.
Journal ArticleDOI
Efficient prevention of nanomaterials transport in the porous media by treatment with polyelectrolytes.
TL;DR: This work developed a method for efficient entrapment and retention of ENM in solid porous media of quartz sand with grain size of 300-500 μm used as a simple model of soil and studied the transport properties of multi-walled carbon nanotubes, fullerenes, silica and gold nanoparticles through the sand-packed column by UV-vis and fluorescent spectroscopy.
Heteroaggregation of Silver Nanoparticles with Clay Minerals in Aqueous System
TL;DR: In this article, the authors describe the application of nanoparticles in environmental research and present a method to combine bare silver nanoparticles with Clay Minerals in aquatic systems. But they do not discuss their application in aquatics.
The role of surface chemistry in the toxicity of manufactured cerium dioxide nanomaterials to caenorhabditis elegans
TL;DR: It is suggested that cationic coatings render CeO2 significantly more toxic to C. elegans than neutral or anionic coatings.
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Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.