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Themed collection Environmental Science: Nano Recent HOT Articles

28 items
Paper

Removal and recovery of Pb from wastewater through a reversible phase transformation process between nano-flower-like Mg(OH)2 and soluble Mg(HCO3)2

This study investigated the effectiveness of a new technique for recovering Pb as highly pure PbCO3 nanoparticles from wastewater by using a nano-Mg(OH)2 adsorbent.

Graphical abstract: Removal and recovery of Pb from wastewater through a reversible phase transformation process between nano-flower-like Mg(OH)2 and soluble Mg(HCO3)2
Paper

Oxidation and removal of As(III) from soil using novel magnetic nanocomposite derived from biomass waste

A novel biomass-derived magnetic nanocomposite, named BMN, was fabricated via one-step pyrolysis process.

Graphical abstract: Oxidation and removal of As(iii) from soil using novel magnetic nanocomposite derived from biomass waste
Paper

Determination of the bioaccessible fraction of cupric oxide nanoparticles in soils using an in vitro human digestibility simulation

This study looks at the potential for ingested nanomaterials dosed in soil, to become bioaccessible for human intestinal absorption.

Graphical abstract: Determination of the bioaccessible fraction of cupric oxide nanoparticles in soils using an in vitro human digestibility simulation
Paper

Variation in regional risk of engineered nanoparticles: nanoTiO2 as a case study

Predicting environmental concentrations of engineered nanomaterials (ENMs) is key for assessing their risk.

Graphical abstract: Variation in regional risk of engineered nanoparticles: nanoTiO2 as a case study
Paper

Enhanced antibiotic removal through a dual-reaction-center Fenton-like process in 3D graphene based hydrogels

Enhanced pollutant removal by FeOOH/RGO hydrogels relying on π–π and π–Fe interactions.

Graphical abstract: Enhanced antibiotic removal through a dual-reaction-center Fenton-like process in 3D graphene based hydrogels
Paper

Displacement reactions between environmentally and biologically relevant ligands on TiO2 nanoparticles: insights into the aging of nanoparticles in the environment

Coatings on nanoparticle (NP) surfaces play a key role in dictating their behavior in the environment.

Graphical abstract: Displacement reactions between environmentally and biologically relevant ligands on TiO2 nanoparticles: insights into the aging of nanoparticles in the environment
Paper

Evaluating environmental risk assessment models for nanomaterials according to requirements along the product innovation Stage-Gate process

A quantitative approach to matching existing environmental assessment models to the needs of stakeholders at different stages during innovation of nanomaterials and nano-enabled products.

Graphical abstract: Evaluating environmental risk assessment models for nanomaterials according to requirements along the product innovation Stage-Gate process
Paper

Micronized copper-treated wood: copper remobilization into spores from the copper-tolerant wood-destroying fungus Rhodonia placenta

Life cycle of Rhodonia placenta showing the uptake and speciation of copper in basidiospores.

Graphical abstract: Micronized copper-treated wood: copper remobilization into spores from the copper-tolerant wood-destroying fungus Rhodonia placenta
Paper

Rare earth oxide nanoparticles promote soil microbial antibiotic resistance by selectively enriching antibiotic resistance genes

This study demonstrates that rare earth oxide nanoparticles can enhance soil microbial antibiotic resistance by inducing the enrichment and spread of antibiotic resistance genes in soil microbial communities.

Graphical abstract: Rare earth oxide nanoparticles promote soil microbial antibiotic resistance by selectively enriching antibiotic resistance genes
Paper

Influence of realistic wearing on the morphology and release of silver nanomaterials from textiles

The recent commercialisation of antimicrobial textiles has resulted in concern regarding the incidental release of silver nanomaterials (Ag-NMs) to the environment.

Graphical abstract: Influence of realistic wearing on the morphology and release of silver nanomaterials from textiles
Paper

Photochemical interactions between n-Ag2S and n-TiO2 amplify their bacterial stress response

Under the oxidizing conditions produced by n-TiO2 and irradiation, n-Ag2S is unstable and provokes significant microbial stress.

Graphical abstract: Photochemical interactions between n-Ag2S and n-TiO2 amplify their bacterial stress response
Paper

Photochemistry of ferritin decorated with plasmonic gold nanoparticles

The photochemistry of a plasmonic biomaterial that consisted of gold nanoparticles (AuNP) on the exterior of the iron sequestration protein, ferritin (Ftn), was investigated.

Graphical abstract: Photochemistry of ferritin decorated with plasmonic gold nanoparticles
Paper

CuO nanosheet as a recyclable Fenton-like catalyst prepared from simulated Cu(II) waste effluents by alkaline H2O2 reaction

A green approach was successfully developed to prepare CuO nanosheets (NSs) as a recyclable Fenton-like catalyst from simulated Cu(II) waste effluents by alkaline H2O2 reaction.

Graphical abstract: CuO nanosheet as a recyclable Fenton-like catalyst prepared from simulated Cu(ii) waste effluents by alkaline H2O2 reaction
Paper

Highly porous Ce–W–TiO2 free-standing electrospun catalytic membranes for efficient de-NOxvia ammonia selective catalytic reduction

Highly porous free-standing ceramic SCR catalysts are achieved by via integrating a co-electrospun supporting polymeric component.

Graphical abstract: Highly porous Ce–W–TiO2 free-standing electrospun catalytic membranes for efficient de-NOxvia ammonia selective catalytic reduction
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
28 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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