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Themed collection Environmental Science: Nano Recent HOT Articles

65 items
Communication

A novel and simple method for polyethylene terephthalate (PET) nanoparticle production

Common plastics, such as polyethylene terephthalate (PET), as pollutants in aquatic environments in the form of micro/nanoparticles are of environmental and public health concern.

Graphical abstract: A novel and simple method for polyethylene terephthalate (PET) nanoparticle production
Communication

Aggregation morphology is a key factor determining protein adsorption on graphene oxide and reduced graphene oxide nanomaterials

The surface properties of graphene-based materials determine their protein-binding capacities via modulating the aggregation morphology of these materials.

Graphical abstract: Aggregation morphology is a key factor determining protein adsorption on graphene oxide and reduced graphene oxide nanomaterials
Paper

Can mineral growth by oriented attachment lead to incorporation of uranium(VI) into the structure of goethite?

Atomic and bulk scale measurements demonstrate that goethite grown by oriented aggregation does not readily incorporate U(VI) into structural sites.

Graphical abstract: Can mineral growth by oriented attachment lead to incorporation of uranium(vi) into the structure of goethite?
Paper

Proteomic, gene and metabolite characterization reveal the uptake and toxicity mechanisms of cadmium sulfide quantum dots in soybean plants

Cadmium sulfide quantum dots regulate nanomaterial-specific unique transmembrane transport system and metabolic processes in soybean plants.

Graphical abstract: Proteomic, gene and metabolite characterization reveal the uptake and toxicity mechanisms of cadmium sulfide quantum dots in soybean plants
Paper

Chemical characterisation, antibacterial activity, and (nano)silver transformation of commercial personal care products exposed to household greywater

The objective of this study was to test the original speciation of silver (Ag) in eight different commercially available personal care products and investigate the chemical transformation of Ag during exposure to two types of synthetic greywater.

Graphical abstract: Chemical characterisation, antibacterial activity, and (nano)silver transformation of commercial personal care products exposed to household greywater
Paper

High-flux nanofiltration membranes tailored by bio-inspired co-deposition of hydrophilic g-C3N4 nanosheets for enhanced selectivity towards organics and salts

NF membranes functionalized through bio-deposition of g-C3N4 nanosheets have enhanced water permeability, dye retention and salt transmission, showing great potential for sustainable treatment of highly saline textile wastewater.

Graphical abstract: High-flux nanofiltration membranes tailored by bio-inspired co-deposition of hydrophilic g-C3N4 nanosheets for enhanced selectivity towards organics and salts
Paper

Selective detection of two representative organic arsenic compounds in aqueous medium with metal–organic frameworks

Two stable Al(III)-MOFs were designed and synthesized for the selective detection of two organic arsenic compounds in aqueous medium.

Graphical abstract: Selective detection of two representative organic arsenic compounds in aqueous medium with metal–organic frameworks
Paper

The heterogeneous reaction of dimethylamine/ammonia with sulfuric acid to promote the growth of atmospheric nanoparticles

The heterogeneous reaction of dimethylamine (DMA) with sulfuric acid to promote the growth of atmospheric nanoparticle is different from ammonia.

Graphical abstract: The heterogeneous reaction of dimethylamine/ammonia with sulfuric acid to promote the growth of atmospheric nanoparticles
Paper

The effect of water on the heterogeneous reactions of SO2 and NH3 on the surfaces of α-Fe2O3 and γ-Al2O3

In this study, wall-coated flow tube, in situ diffuse reflectance infrared Fourier transform spectroscopy and ion chromatography were used to investigate the effect of water on the heterogeneous reactions of SO2 and NH3 on α-Fe2O3 and γ-Al2O3.

Graphical abstract: The effect of water on the heterogeneous reactions of SO2 and NH3 on the surfaces of α-Fe2O3 and γ-Al2O3
Paper

Facet-selective adsorption of Fe(II) on hematite visualized by nanoscale secondary ion mass spectrometry

Novel isotopic labelling and imaging techniques are used to directly observe the autocatalytic reaction and facet-selective adsorption of Fe(II) onto individual hematite (Fe2O3) crystallites.

Graphical abstract: Facet-selective adsorption of Fe(ii) on hematite visualized by nanoscale secondary ion mass spectrometry
Paper

Chronic exposure to graphene oxide (GO) induced inflammation and differentially disturbed the intestinal microbiota in zebrafish

Chronic exposure to GO disrupted the composition of the intestinal microbiota and damaged zebrafish gut tissues accompanied by inflammation responses.

Graphical abstract: Chronic exposure to graphene oxide (GO) induced inflammation and differentially disturbed the intestinal microbiota in zebrafish
Paper

Enhancing the capacitive deionization performance of NaMnO2 by interface engineering and redox-reaction

Two layered NaMnO2 nanomaterials with expanded interlayer spacing were evaluated as HCDI redox-active intercalation electrodes and showed high CDI performance.

Graphical abstract: Enhancing the capacitive deionization performance of NaMnO2 by interface engineering and redox-reaction
Paper

Accurate determination of the As(V) coordination environment at the surface of ferrihydrite using synchrotron extended X-ray absorption fine structure spectroscopy and ab initio Debye–Waller factors

The synchrotron EXAFS fitting using ab initio Debye–Waller factors suggests that ferrihydrite adsorbs arsenate dominantly via monodentate mononuclear complexes.

Graphical abstract: Accurate determination of the As(v) coordination environment at the surface of ferrihydrite using synchrotron extended X-ray absorption fine structure spectroscopy and ab initio Debye–Waller factors
Paper

Two-dimensional RuO2 nanosheets as robust catalysts for peroxymonosulfate activation

This study explored for the first time the application of two-dimensional (2D) ruthenium oxide (RuO2) nanosheets (NSs) for organic decomposition through peroxymonosulfate (PMS) activation.

Graphical abstract: Two-dimensional RuO2 nanosheets as robust catalysts for peroxymonosulfate activation
Paper

Molecular fractionation and sub-nanoscale distribution of dissolved organic matter on allophane

We elucidated the spatial distribution of DOM on allophane and the mechanisms controlling the adsorptive fractionation of DOM molecules.

Graphical abstract: Molecular fractionation and sub-nanoscale distribution of dissolved organic matter on allophane
Paper

A model sensitivity analysis to determine the most important physicochemical properties driving environmental fate and exposure of engineered nanoparticles

Sensitivity analyses indicate attachment efficiency and transformation rate constant are most important in modeling environmental fate of engineered nanoparticles.

Graphical abstract: A model sensitivity analysis to determine the most important physicochemical properties driving environmental fate and exposure of engineered nanoparticles
Paper

Interference of silver nanoparticles with essential metal homeostasis in a novel enterohepatic fish in vitro system

Silver nanoparticles induce a similar but attenuated response to ionic silver in an enterohepatic fish in vitro system.

Graphical abstract: Interference of silver nanoparticles with essential metal homeostasis in a novel enterohepatic fish in vitro system
Paper

Ferric reducing reactivity assay with theoretical kinetic modeling uncovers electron transfer schemes of metallic-nanoparticle-mediated redox in water solutions

We probed that metallic nanoparticles (NPs) can mediate electron transfer in water by different schemes.

Graphical abstract: Ferric reducing reactivity assay with theoretical kinetic modeling uncovers electron transfer schemes of metallic-nanoparticle-mediated redox in water solutions
Paper

Transformation of cerium dioxide nanoparticles during sewage sludge incineration

The incineration of sewage sludge leads to the incorporation of Ce from CeO2 nanoparticles into mineral structures.

Graphical abstract: Transformation of cerium dioxide nanoparticles during sewage sludge incineration
Paper

“Switching on” iron in clay minerals

We discovered a new mechanism explaining why iron in its oxidized form Fe(III) in clay minerals is reactive only in the presence of trace amounts of its reduced form—Fe(II).

Graphical abstract: “Switching on” iron in clay minerals
Paper

Facet-mediated interaction between humic acid and TiO2 nanoparticles: implications for aggregation and stability kinetics in aquatic environments

Humic acid improves TiO2 nanocrystal stability in a facet dependent manner due to the facet-specific SRHA coordination on the TiO2 surface.

Graphical abstract: Facet-mediated interaction between humic acid and TiO2 nanoparticles: implications for aggregation and stability kinetics in aquatic environments
Paper

Facet-dependent evolution of surface defects in anatase TiO2 by thermal treatment: implications for environmental applications of photocatalysis

Exposed crystal facets of TiO2 nanomaterials significantly affect the surface defect formation of the materials during thermal treatment.

Graphical abstract: Facet-dependent evolution of surface defects in anatase TiO2 by thermal treatment: implications for environmental applications of photocatalysis
Open Access Paper

Dietary exposure to silver nitrate compared to two forms of silver nanoparticles in rainbow trout: bioaccumulation potential with minimal physiological effects

Overall, fish showed more Ag accumulation from AgNO3 and Ag NP exposures compared to the Ag2S NP treatment.

Graphical abstract: Dietary exposure to silver nitrate compared to two forms of silver nanoparticles in rainbow trout: bioaccumulation potential with minimal physiological effects
From the themed collection: Recent Open Access Articles
Paper

Understanding the interaction of gold and silver nanoparticles with natural organic matter using affinity capillary electrophoresis

Nanoparticles (NPs) undergo a number of changes in environmental systems which are often influenced by their interaction with natural organic matter (NOM).

Graphical abstract: Understanding the interaction of gold and silver nanoparticles with natural organic matter using affinity capillary electrophoresis
Paper

Secondary nanoplastics released from a biodegradable microplastic severely impact freshwater environments

Over the last five decades, plastics production has increased as a consequence of their use in strategic sectors causing damage on aquatic ecosystems.

Graphical abstract: Secondary nanoplastics released from a biodegradable microplastic severely impact freshwater environments
Paper

Transcriptomic response of the benthic freshwater diatom Nitzschia palea exposed to Few Layer Graphene

FLG induces strong physiological modifications as a survival strategy of Nitzschia palea, at cell and biofilm scale.

Graphical abstract: Transcriptomic response of the benthic freshwater diatom Nitzschia palea exposed to Few Layer Graphene
Paper

Nano to micron-sized particle detection in patients' lungs and its pathological significance

Comprehensive mineralogical analyses (including nano to micron-sized particle detection) of patients' bronchoalveolar lavages allow obtaining new insights into the role of inhaled biopersistent particles in lung diseases.

Graphical abstract: Nano to micron-sized particle detection in patients' lungs and its pathological significance
Paper

Plasmid binding to metal oxide nanoparticles inhibited lateral transfer of antibiotic resistance genes

Aggregates or adducts of MONPs and plasmids are blocked out by cells, resulting in the inhibition of lateral plasmid-mediated ARG transfer.

Graphical abstract: Plasmid binding to metal oxide nanoparticles inhibited lateral transfer of antibiotic resistance genes
Open Access Paper

Protein corona formed on silver nanoparticles in blood plasma is highly selective and resistant to physicochemical changes of the solution

Highlighted are the protein properties determining protein binding to the silver nanoparticle surface.

Graphical abstract: Protein corona formed on silver nanoparticles in blood plasma is highly selective and resistant to physicochemical changes of the solution
From the themed collection: Recent Open Access Articles
Paper

Transformation of Ag ions into Ag nanoparticle-loaded AgCl microcubes in the plant root zone

Silver ions can be naturally transformed into silver nanoparticles due to the plant root exudate-mediated photoreduction of silver chloride microcubes.

Graphical abstract: Transformation of Ag ions into Ag nanoparticle-loaded AgCl microcubes in the plant root zone
Paper

Photocatalytic degradation of polybrominated biphenyls (PBBs) on metal doped TiO2 nanocomposites in aqueous environments: mechanisms and solution effects

This study investigated the photocatalytic degradation of polybrominated biphenyls (PBBs) by metal doped titanium dioxide (M/TiO2).

Graphical abstract: Photocatalytic degradation of polybrominated biphenyls (PBBs) on metal doped TiO2 nanocomposites in aqueous environments: mechanisms and solution effects
Paper

Evolution of the reactive surface area of ferrihydrite: time, pH, and temperature dependency of growth by Ostwald ripening

Surface area is a crucial property of ferrihydrite that has been assessed by probing it with PO4.

Graphical abstract: Evolution of the reactive surface area of ferrihydrite: time, pH, and temperature dependency of growth by Ostwald ripening
Paper

Emerging investigator series: significantly enhanced uptake of Eu3+ on a nanoporous zeolitic mineral in the presence of UO22+: insights into the impact of cation–cation interaction on the geochemical behavior of lanthanides and actinides

Uptake of Eu3+ on clinoptilolite is significantly enhanced by the presence of UO22+ though cation–cation interactions between UO22+ and Eu3+.

Graphical abstract: Emerging investigator series: significantly enhanced uptake of Eu3+ on a nanoporous zeolitic mineral in the presence of UO22+: insights into the impact of cation–cation interaction on the geochemical behavior of lanthanides and actinides
Paper

Sewage spills are a major source of titanium dioxide engineered (nano)-particle release into the environment

Quantification of TiO2 engineered particles in surface waters receiving untreated sewage spills.

Graphical abstract: Sewage spills are a major source of titanium dioxide engineered (nano)-particle release into the environment
Paper

A study on the dependence of bacteria adhesion on the polymer nanofibre diameter

Analysing the dependence of bacteria adhesion on the diameter of nanofibres to improve cell-to-material adhesion for target applications.

Graphical abstract: A study on the dependence of bacteria adhesion on the polymer nanofibre diameter
Paper

Multi-heteroatom doped graphene-like carbon nanospheres with 3D inverse opal structure: a promising bisphenol-A remediation material

Nitrogen, phosphorus and sulfur co-doped graphene-like carbon nanospheres with 3D inverse opal structure as a promising bisphenol-A remediation material.

Graphical abstract: Multi-heteroatom doped graphene-like carbon nanospheres with 3D inverse opal structure: a promising bisphenol-A remediation material
Paper

Efficient Fenton-like process for organic pollutant degradation on Cu-doped mesoporous polyimide nanocomposites

Dual reaction centers are formed between C–O–Cu bonding bridges of Cu-MP NCs owing to cation–π interactions. H2O2 is reduced to ˙OH on electron-rich Cu centers, while pollutants are degraded on electron-deficient centers.

Graphical abstract: Efficient Fenton-like process for organic pollutant degradation on Cu-doped mesoporous polyimide nanocomposites
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
65 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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