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Themed collection Environmental Science: Nano Recent HOT Articles

24 items
Communication

Single-particle multi-element fingerprinting (spMEF) using inductively-coupled plasma time-of-flight mass spectrometry (ICP-TOFMS) to identify engineered nanoparticles against the elevated natural background in soils

This novel single-particle multi-element fingerprinting (spMEF) method makes it possible to discriminate engineered and natural nanoparticles in complex matrices.

Graphical abstract: Single-particle multi-element fingerprinting (spMEF) using inductively-coupled plasma time-of-flight mass spectrometry (ICP-TOFMS) to identify engineered nanoparticles against the elevated natural background in soils
Paper

Quasi single cobalt sites in nanopores for superior catalytic oxidation of organic pollutants

Quasi single cobalt sites are fabricated using the confined space, and show enhanced catalytic performances compared with aggregated Co3O4.

Graphical abstract: Quasi single cobalt sites in nanopores for superior catalytic oxidation of organic pollutants
Paper

Interference of non-lethal levels of graphene oxide in biofilm formation and adaptive response of quorum sensing in bacteria

Non-lethal levels of graphene oxide interfere with biofilm formation, and this inhibition could be counteracted after long-term exposure.

Graphical abstract: Interference of non-lethal levels of graphene oxide in biofilm formation and adaptive response of quorum sensing in bacteria
Paper

A facile method to study the bioaccumulation kinetics of amorphous silica nanoparticles by quantum dot embedding

A facile method was developed to study the bioaccumulation kinetics of amorphous silica nanoparticles (AmSiNPs) by embedding the particles with quantum dots (QDs) and then using Cd as the tracer.

Graphical abstract: A facile method to study the bioaccumulation kinetics of amorphous silica nanoparticles by quantum dot embedding
Paper

Metabolic profiling of silver nanoparticle toxicity in Microcystis aeruginosa

The manifestation of differential metabolic profiles combined with the perturbation of physiological indicators in M. aeruginosa upon silver nanoparticle exposure is taken as evidence of damage to photosynthesis and membranes.

Graphical abstract: Metabolic profiling of silver nanoparticle toxicity in Microcystis aeruginosa
Paper

Biodissolution and cellular response to MoO3 nanoribbons and a new framework for early hazard screening for 2D materials

A new 2D nanomaterial testing prioritization framework based on media specific chemical behavior.

Graphical abstract: Biodissolution and cellular response to MoO3 nanoribbons and a new framework for early hazard screening for 2D materials
Paper

Modeling reactive transport of polydisperse nanoparticles: assessment of the representative particle approach

Our goal was to characterize the uncertainty in the estimates of the mobility and reactivity of polydisperse nanocolloids introduced into computations when a distribution of particle sizes is replaced with a representative particle diameter through ensemble averaging.

Graphical abstract: Modeling reactive transport of polydisperse nanoparticles: assessment of the representative particle approach
Paper

Highly efficient adsorption of uranium(VI) from aqueous solution by a novel adsorbent: titanium phosphate nanotubes

A novel adsorbent (titanium phosphate nanotube) with high performance for U(VI) adsorption was fabricated through a facile solvothermal method.

Graphical abstract: Highly efficient adsorption of uranium(vi) from aqueous solution by a novel adsorbent: titanium phosphate nanotubes
Paper

Interaction of CuO nanoparticles with plant cells: internalization, oxidative stress, electron transport chain disruption, and toxicogenomic responses

This study investigated the toxicity of CuO nanoparticles (NPs) to Nicotiana tabacum L. cv. Bright Yellow-2 (BY-2) cells.

Graphical abstract: Interaction of CuO nanoparticles with plant cells: internalization, oxidative stress, electron transport chain disruption, and toxicogenomic responses
Paper

Enhanced indirect atomic H* reduction at a hybrid Pd/graphene cathode for electrochemical dechlorination under low negative potentials

Enhanced production and adsorption of atomic H* for efficient electrocatalytic dechlorination of TCAA with a Pd/rGO composite electrode.

Graphical abstract: Enhanced indirect atomic H* reduction at a hybrid Pd/graphene cathode for electrochemical dechlorination under low negative potentials
Paper

Simultaneous elimination of cationic uranium(VI) and anionic rhenium(VII) by graphene oxide–poly(ethyleneimine) macrostructures: a batch, XPS, EXAFS, and DFT combined study

Free and protonated amino groups anchored on the macrostructures are responsible for U(VI) and Re(VII) adsorption, respectively.

Graphical abstract: Simultaneous elimination of cationic uranium(vi) and anionic rhenium(vii) by graphene oxide–poly(ethyleneimine) macrostructures: a batch, XPS, EXAFS, and DFT combined study
Open Access Paper

Aggregation and sedimentation of shattered graphene oxide nanoparticles in dynamic environments: a solid-body rotational approach

Nanoparticle (NP) aggregation is typically investigated in either quiescent or turbulent mixing conditions; neither is fully representative of dynamic natural environments.

Graphical abstract: Aggregation and sedimentation of shattered graphene oxide nanoparticles in dynamic environments: a solid-body rotational approach
From the themed collection: Recent Open Access Articles
Paper

Application and testing of risk screening tools for nanomaterial risk analysis

This study applies and tests new risk screening tools for engineered nanomaterials and highlights key findings.

Graphical abstract: Application and testing of risk screening tools for nanomaterial risk analysis
Paper

Hydroxyl radical scavenging by cerium oxide nanoparticles improves Arabidopsis salinity tolerance by enhancing leaf mesophyll potassium retention

Nanoceria ROS scavenging is a key tool for understanding and improving plant tolerance to salinity, a stress that severely limits crop yield worldwide.

Graphical abstract: Hydroxyl radical scavenging by cerium oxide nanoparticles improves Arabidopsis salinity tolerance by enhancing leaf mesophyll potassium retention
Paper

Reduction pathway-dependent cytotoxicity of reduced graphene oxide

The environmental transformation of graphene oxide (GO) can significantly change its physicochemical properties, thus altering its toxicity.

Graphical abstract: Reduction pathway-dependent cytotoxicity of reduced graphene oxide
Paper

Interaction of carbon nanotubes with microbial enzymes: conformational transitions and potential toxicity

Interaction of carbon nanotubes with microbial enzymes.

Graphical abstract: Interaction of carbon nanotubes with microbial enzymes: conformational transitions and potential toxicity
Paper

Methodology for quantifying engineered nanomaterial release from diverse product matrices under outdoor weathering conditions and implications for life cycle assessment

Accurate measurement of engineered nanomaterial (ENM) release from diverse product lines and matrices during use is critical to evaluating environmental impacts across the life cycle of a nano-enabled product.

Graphical abstract: Methodology for quantifying engineered nanomaterial release from diverse product matrices under outdoor weathering conditions and implications for life cycle assessment
Paper

Characterizing the phosphatase mimetic activity of cerium oxide nanoparticles and distinguishing its active site from that for catalase mimetic activity using anionic inhibitors

Cerium oxide nanoparticles (CeNPs) are potent reactive oxygen and nitrogen species scavengers and demonstrate beneficial antioxidant properties in both cell culture and animal studies.

Graphical abstract: Characterizing the phosphatase mimetic activity of cerium oxide nanoparticles and distinguishing its active site from that for catalase mimetic activity using anionic inhibitors
Paper

Modeling human health characterization factors for indoor nanomaterial emissions in life cycle assessment: a case-study of titanium dioxide

A dynamic life cycle impact assessment model demonstrates a non-constant intake fraction of inhaled nano-TiO2 as total emissions changes.

Graphical abstract: Modeling human health characterization factors for indoor nanomaterial emissions in life cycle assessment: a case-study of titanium dioxide
Paper

Residual weakly bound ligands influence biological compatibility of mixed ligand shell, thiol-stabilized gold nanoparticles

Mixed ligand shells are frequently employed to impart multiple and new functions to inorganic nanoparticles.

Graphical abstract: Residual weakly bound ligands influence biological compatibility of mixed ligand shell, thiol-stabilized gold nanoparticles
Paper

Colloidal characterization of CuO nanoparticles in biological and environmental media

The relationships between the physicochemical properties of engineered nanomaterials (ENMs) and their adverse health and environmental effects are still unclear.

Graphical abstract: Colloidal characterization of CuO nanoparticles in biological and environmental media
Open Access Paper

Metal uptake and distribution in the zebrafish (Danio rerio) embryo: differences between nanoparticles and metal ions

Quantitative data on nanoparticle and cation uptake are compared in a compartment-specific way and distinct differences between metals were identified.

Graphical abstract: Metal uptake and distribution in the zebrafish (Danio rerio) embryo: differences between nanoparticles and metal ions
From the themed collection: Recent Open Access Articles
Paper

Effect of nonreactive kaolinite on 4-chloronitrobenzene reduction by Fe(II) in goethite–kaolinite heterogeneous suspensions

This work demonstrates that even nonreactive clays may influence outcomes of natural attenuation in contaminated groundwater by iron oxide nanoparticles.

Graphical abstract: Effect of nonreactive kaolinite on 4-chloronitrobenzene reduction by Fe(ii) in goethite–kaolinite heterogeneous suspensions
Paper

Sewage sludge treated with metal nanomaterials inhibits earthworm reproduction more strongly than sludge treated with metal metals in bulk/salt forms

Sludge treated with ENMs caused greater effects on earthworm reproduction than sludge treated with metal salts.

Graphical abstract: Sewage sludge treated with metal nanomaterials inhibits earthworm reproduction more strongly than sludge treated with metal metals in bulk/salt forms
24 items

About this collection

Here is a collection of recent Environmental Science: Nano articles which have been classified as ‘HOT articles’ due to receiving particularly high scores at peer review.

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