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Themed collection Open access articles recently published in Environmental Science: Nano

22 articles
Open Access Perspective

Nanotechnology: nature's gift or scientists' brainchild?

The answer to the compelling question of whether nanomaterials are new or not is debated by leading scientists.

Graphical abstract: Nanotechnology: nature's gift or scientists' brainchild?
Open Access Tutorial Review

Trophic transfer of metal-based nanoparticles in aquatic environments: a review and recommendations for future research focus

We review trophic transfer of metal-based nanoparticles in aquatic ecosystems, present key factors affecting this transfer and highlight knowledge gaps.

Graphical abstract: Trophic transfer of metal-based nanoparticles in aquatic environments: a review and recommendations for future research focus
Open Access Communication

One-pot green synthesis of anisotropic silver nanoparticles

Anisotropic silver nanoplates are of interest for their shape-dependent properties; however, their synthesis often requires surfactants and toxic chemicals.

Graphical abstract: One-pot green synthesis of anisotropic silver nanoparticles
Open Access Paper

Predictability of silver nanoparticle speciation and toxicity in ecotoxicological media

The bioavailability of silver was controlled by chloride and proteins through complexation, precipitation and colloidal stabilisation of silver chloride.

Graphical abstract: Predictability of silver nanoparticle speciation and toxicity in ecotoxicological media
Open Access Paper

Interactions between aromatic hydrocarbons and functionalized C60 fullerenes – insights from experimental data and molecular modelling

The integration of experimental and modelling approaches highlights the roles that aromaticity and functionalization play in sorption to fullerenes.

Graphical abstract: Interactions between aromatic hydrocarbons and functionalized C60 fullerenes – insights from experimental data and molecular modelling
Open Access Paper

Tungsten carbide nanoparticles in simulated surface water with natural organic matter: dissolution, agglomeration, sedimentation and interaction with Daphnia magna

Nano-sized tungsten carbide shows no acute toxicity for Daphnia magna and agglomeration and sedimentation due to the lack of interaction with NOM.

Graphical abstract: Tungsten carbide nanoparticles in simulated surface water with natural organic matter: dissolution, agglomeration, sedimentation and interaction with Daphnia magna
Open Access Paper

Ferric carbide nanocrystals encapsulated in nitrogen-doped carbon nanotubes as an outstanding environmental catalyst

Iron carbide nanocrystals encapsulated by nitrogen-doped carbon nanotubes demonstrated efficient and robust environmental catalysis for green remediation processes.

Graphical abstract: Ferric carbide nanocrystals encapsulated in nitrogen-doped carbon nanotubes as an outstanding environmental catalyst
Open Access Paper

Effect of surfactants, pH and water hardness on the surface properties and agglomeration behavior of engineered TiO2 nanoparticles

Multiple facets of TiO2 nanoparticle destabilization mechanisms in the presence of surfactant molecules and divalent cations.

Graphical abstract: Effect of surfactants, pH and water hardness on the surface properties and agglomeration behavior of engineered TiO2 nanoparticles
Open Access Paper

Effects of natural organic matter and sulfidation on the flocculation and filtration of silver nanoparticles

Environmental transformations had different effects on self-aggregation and initial deposition in granular media filtration, contrary to traditional theory.

Graphical abstract: Effects of natural organic matter and sulfidation on the flocculation and filtration of silver nanoparticles
Open Access Paper

Combined experimental and computational approach to developing efficient photocatalysts based on Au/Pd–TiO2 nanoparticles

Quantitative structure–photocatalytic activity relationship modeling of surface modified TiO2-based nanoparticles.

Graphical abstract: Combined experimental and computational approach to developing efficient photocatalysts based on Au/Pd–TiO2 nanoparticles
Open Access Paper

Multimedia environmental fate and speciation of engineered nanoparticles: a probabilistic modeling approach

The robustness of novel multimedia fate models in environmental exposure estimation of engineered nanoparticles (ENPs) is clarified by evaluating uncertainties in the emission, physicochemical properties and natural variability in environmental systems.

Graphical abstract: Multimedia environmental fate and speciation of engineered nanoparticles: a probabilistic modeling approach
Open Access Paper

Environmental aging alters Al(OH)3 coating of TiO2 nanoparticles enhancing their photocatalytic and phototoxic activities

Environmental aging of Al(OH)3·TiO2 degrades the protective Al(OH)3 coating and alters the activity of the material.

Graphical abstract: Environmental aging alters Al(OH)3 coating of TiO2 nanoparticles enhancing their photocatalytic and phototoxic activities
Open Access Paper

Fractal aggregation and disaggregation of newly formed iron(III) (hydr)oxide nanoparticles in the presence of natural organic matter and arsenic

This study provides for the first time in situ observations of organic matter and arsenic effects on iron(III) (hydr)oxide precipitation.

Graphical abstract: Fractal aggregation and disaggregation of newly formed iron(iii) (hydr)oxide nanoparticles in the presence of natural organic matter and arsenic
Open Access Paper

Effects of crystallite size on the structure and magnetism of ferrihydrite

The structure and magnetic properties of nano-sized (1.6 to 4.4 nm) ferrihydrite samples are systematically investigated through a combination of X-ray diffraction (XRD), X-ray pair distribution function (PDF), X-ray absorption spectroscopy (XAS) and magnetic analyses.

Graphical abstract: Effects of crystallite size on the structure and magnetism of ferrihydrite
Open Access Paper

Interaction between palladium-doped zerovalent iron nanoparticles and biofilm in granular porous media: characterization, transport and viability

Transport of reactive Pd-NZVI particles in subsurface environments is limited in the presence of biofilm on aquifer grains.

Graphical abstract: Interaction between palladium-doped zerovalent iron nanoparticles and biofilm in granular porous media: characterization, transport and viability
Open Access Paper

Formation of supported lipid bilayers containing phase-segregated domains and their interaction with gold nanoparticles

Here we describe a method to form phase-segregated domain-containing supported lipid bilayers on silica substrates and demonstrate that the presence of these domains can alter nanoparticle interaction with bilayers.

Graphical abstract: Formation of supported lipid bilayers containing phase-segregated domains and their interaction with gold nanoparticles
Open Access Paper

Effect propagation after silver nanoparticle exposure in zebrafish (Danio rerio) embryos: a correlation to internal concentration and distribution patterns

Internal silver concentrations were determined and combined with toxicological information to obtain critical internal effect concentrations triggering biological responses.

Graphical abstract: Effect propagation after silver nanoparticle exposure in zebrafish (Danio rerio) embryos: a correlation to internal concentration and distribution patterns
Open Access Paper

Gene expression as an indicator of the molecular response and toxicity in the bacterium Shewanella oneidensis and the water flea Daphnia magna exposed to functionalized gold nanoparticles

Gene expression patterns indicate different impacts of charged nanoparticles across two model species.

Graphical abstract: Gene expression as an indicator of the molecular response and toxicity in the bacterium Shewanella oneidensis and the water flea Daphnia magna exposed to functionalized gold nanoparticles
Open Access Paper

Isothermal titration calorimetry as a powerful tool to quantify and better understand agglomeration mechanisms during interaction processes between TiO2 nanoparticles and humic acids

Association processes between engineered TiO2 nanoparticles and Suwannee River humic acids are investigated by isothermal titration calorimetry.

Graphical abstract: Isothermal titration calorimetry as a powerful tool to quantify and better understand agglomeration mechanisms during interaction processes between TiO2 nanoparticles and humic acids
Open Access Paper

Modelling the interaction processes between nanoparticles and biomacromolecules of variable hydrophobicity: Monte Carlo simulations

The conformational properties and formation of a complex between a weak flexible biomacromolecule chain of variable hydrophobicity and one negatively charged nanoparticle in the presence of explicit counterions are investigated here using Monte Carlo simulations.

Graphical abstract: Modelling the interaction processes between nanoparticles and biomacromolecules of variable hydrophobicity: Monte Carlo simulations
Open Access Paper

Prediction of nanoparticle transport behavior from physicochemical properties: machine learning provides insights to guide the next generation of transport models

Machine-learning methods are used to identify factors that govern transport of nanoparticles in column experiments.

Graphical abstract: Prediction of nanoparticle transport behavior from physicochemical properties: machine learning provides insights to guide the next generation of transport models
Open Access Paper

Toxicity of particulate matter from incineration of nanowaste

This study assesses the oxidative potential, cytotoxicity, and genotoxicity of particulate matter produced from the incineration of a variety of nanomaterials in waste.

Graphical abstract: Toxicity of particulate matter from incineration of nanowaste
22 articles

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Please see below for recent Open Access papers published in Environmental Science: Nano.

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